diff --git a/src/web/app/auth/tags/index.tag b/src/web/app/auth/tags/index.tag
index d3c458cf7..8d1d88806 100644
--- a/src/web/app/auth/tags/index.tag
+++ b/src/web/app/auth/tags/index.tag
@@ -1,7 +1,7 @@
 <mk-index>
 	<main if={ SIGNIN }>
 		<p class="fetching" if={ fetching }>読み込み中<mk-ellipsis/></p>
-		<mk-form ref="form" if={ state == 'waiting' } session={ session }></mk-form>
+		<mk-form ref="form" if={ state == 'waiting' } session={ session }/>
 		<div class="denied" if={ state == 'denied' }>
 			<h1>アプリケーションの連携をキャンセルしました。</h1>
 			<p>このアプリがあなたのアカウントにアクセスすることはありません。</p>
@@ -17,7 +17,7 @@
 	</main>
 	<main class="signin" if={ !SIGNIN }>
 		<h1>サインインしてください</h1>
-		<mk-signin></mk-signin>
+		<mk-signin/>
 	</main>
 	<footer><img src="/assets/auth/logo.svg" alt="Misskey"/></footer>
 	<style>
diff --git a/src/web/app/common/scripts/text-compiler.js b/src/web/app/common/scripts/text-compiler.js
index 0a9b8022d..20ed1877d 100644
--- a/src/web/app/common/scripts/text-compiler.js
+++ b/src/web/app/common/scripts/text-compiler.js
@@ -22,7 +22,7 @@ export default (tokens, shouldBreak) => {
 			case 'bold':
 				return `<strong>${escape(token.bold)}</strong>`;
 			case 'url':
-				return `<mk-url href="${escape(token.content)}" target="_blank"></mk-url>`;
+				return `<mk-url href="${escape(token.content)}" target="_blank"/>`;
 			case 'link':
 				return `<a class="link" href="${escape(token.url)}" target="_blank" title="${escape(token.url)}">${escape(token.title)}</a>`;
 			case 'mention':
diff --git a/src/web/app/common/tags/messaging/form.tag b/src/web/app/common/tags/messaging/form.tag
index 2c3475637..a839bad7f 100644
--- a/src/web/app/common/tags/messaging/form.tag
+++ b/src/web/app/common/tags/messaging/form.tag
@@ -1,7 +1,7 @@
 <mk-messaging-form>
 	<textarea ref="text" onkeypress={ onkeypress } onpaste={ onpaste } placeholder="%i18n:common.input-message-here%"></textarea>
 	<div class="files"></div>
-	<mk-uploader ref="uploader"></mk-uploader>
+	<mk-uploader ref="uploader"/>
 	<button class="send" onclick={ send } disabled={ sending } title="%i18n:common.send%">
 		<i class="fa fa-paper-plane" if={ !sending }></i><i class="fa fa-spinner fa-spin" if={ sending }></i>
 	</button>
diff --git a/src/web/app/common/tags/messaging/index.tag b/src/web/app/common/tags/messaging/index.tag
index b73c54306..731c9da2c 100644
--- a/src/web/app/common/tags/messaging/index.tag
+++ b/src/web/app/common/tags/messaging/index.tag
@@ -22,7 +22,7 @@
 					<header>
 						<span class="name">{ is_me ? recipient.name : user.name }</span>
 						<span class="username">{ '@' + (is_me ? recipient.username : user.username ) }</span>
-						<mk-time time={ created_at }></mk-time>
+						<mk-time time={ created_at }/>
 					</header>
 					<div class="body">
 						<p class="text"><span class="me" if={ is_me }>%i18n:common.tags.mk-messaging.you%:</span>{ text }</p>
diff --git a/src/web/app/common/tags/messaging/message.tag b/src/web/app/common/tags/messaging/message.tag
index c5f7e377f..ec8138da0 100644
--- a/src/web/app/common/tags/messaging/message.tag
+++ b/src/web/app/common/tags/messaging/message.tag
@@ -12,7 +12,7 @@
 			</div>
 		</div>
 		<footer>
-			<mk-time time={ message.created_at }></mk-time><i class="fa fa-pencil is-edited" if={ message.is_edited }></i>
+			<mk-time time={ message.created_at }/><i class="fa fa-pencil is-edited" if={ message.is_edited }></i>
 		</footer>
 	</div>
 	<style>
diff --git a/src/web/app/common/tags/messaging/room.tag b/src/web/app/common/tags/messaging/room.tag
index 33bd644f8..bd49a4d78 100644
--- a/src/web/app/common/tags/messaging/room.tag
+++ b/src/web/app/common/tags/messaging/room.tag
@@ -3,14 +3,14 @@
 		<p class="init" if={ init }><i class="fa fa-spinner fa-spin"></i>%i18n:common.loading%</p>
 		<p class="empty" if={ !init && messages.length == 0 }><i class="fa fa-info-circle"></i>%i18n:common.tags.mk-messaging-room.empty%</p>
 		<virtual each={ message, i in messages }>
-			<mk-messaging-message message={ message }></mk-messaging-message>
+			<mk-messaging-message message={ message }/>
 			<p class="date" if={ i != messages.length - 1 && message._date != messages[i + 1]._date }><span>{ messages[i + 1]._datetext }</span></p>
 		</virtual>
 	</div>
 	<footer>
 		<div ref="notifications"></div>
 		<div class="grippie" title="%i18n:common.tags.mk-messaging-room.resize-form%"></div>
-		<mk-messaging-form user={ user }></mk-messaging-form>
+		<mk-messaging-form user={ user }/>
 	</footer>
 	<style>
 		:scope
diff --git a/src/web/app/common/tags/signin-history.tag b/src/web/app/common/tags/signin-history.tag
index 441e6b5bc..9c9674624 100644
--- a/src/web/app/common/tags/signin-history.tag
+++ b/src/web/app/common/tags/signin-history.tag
@@ -1,7 +1,7 @@
 <mk-signin-history>
 	<div class="records" if={ history.length != 0 }>
 		<div each={ history }>
-			<mk-time time={ created_at }></mk-time>
+			<mk-time time={ created_at }/>
 			<header><i class="fa fa-check" if={ success }></i><i class="fa fa-times" if={ !success }></i><span class="ip">{ ip }</span></header>
 			<pre><code>{ JSON.stringify(headers, null, '    ') }</code></pre>
 		</div>
diff --git a/src/web/app/desktop/tags/drive/browser-window.tag b/src/web/app/desktop/tags/drive/browser-window.tag
index f20855dfe..dc55371da 100644
--- a/src/web/app/desktop/tags/drive/browser-window.tag
+++ b/src/web/app/desktop/tags/drive/browser-window.tag
@@ -5,7 +5,7 @@
 			<i class="fa fa-cloud"></i>%i18n:desktop.tags.mk-drive-browser-window.drive%
 		</yield>
 		<yield to="content">
-			<mk-drive-browser multiple={ true } folder={ parent.folder }></mk-drive-browser>
+			<mk-drive-browser multiple={ true } folder={ parent.folder }/>
 		</yield>
 	</mk-window>
 	<style>
diff --git a/src/web/app/desktop/tags/drive/browser.tag b/src/web/app/desktop/tags/drive/browser.tag
index 586bc47a9..93db0a04d 100644
--- a/src/web/app/desktop/tags/drive/browser.tag
+++ b/src/web/app/desktop/tags/drive/browser.tag
@@ -1,9 +1,9 @@
 <mk-drive-browser>
 	<nav>
 		<div class="path" oncontextmenu={ pathOncontextmenu }>
-			<mk-drive-browser-nav-folder class={ current: folder == null } folder={ null }></mk-drive-browser-nav-folder>
+			<mk-drive-browser-nav-folder class={ current: folder == null } folder={ null }/>
 			<virtual each={ folder in hierarchyFolders }><span class="separator"><i class="fa fa-angle-right"></i></span>
-				<mk-drive-browser-nav-folder folder={ folder }></mk-drive-browser-nav-folder>
+				<mk-drive-browser-nav-folder folder={ folder }/>
 			</virtual>
 			<span class="separator" if={ folder != null }><i class="fa fa-angle-right"></i></span>
 			<span class="folder current" if={ folder != null }>{ folder.name }</span>
@@ -15,13 +15,13 @@
 		<div class="contents" ref="contents">
 			<div class="folders" ref="foldersContainer" if={ folders.length > 0 }>
 				<virtual each={ folder in folders }>
-					<mk-drive-browser-folder class="folder" folder={ folder }></mk-drive-browser-folder>
+					<mk-drive-browser-folder class="folder" folder={ folder }/>
 				</virtual>
 				<button if={ moreFolders }>%i18n:desktop.tags.mk-drive-browser.load-more%</button>
 			</div>
 			<div class="files" ref="filesContainer" if={ files.length > 0 }>
 				<virtual each={ file in files }>
-					<mk-drive-browser-file class="file" file={ file }></mk-drive-browser-file>
+					<mk-drive-browser-file class="file" file={ file }/>
 				</virtual>
 				<button if={ moreFiles } onclick={ fetchMoreFiles }>%i18n:desktop.tags.mk-drive-browser.load-more%</button>
 			</div>
@@ -39,7 +39,7 @@
 		</div>
 	</div>
 	<div class="dropzone" if={ draghover }></div>
-	<mk-uploader ref="uploader"></mk-uploader>
+	<mk-uploader ref="uploader"/>
 	<input ref="fileInput" type="file" accept="*/*" multiple="multiple" tabindex="-1" onchange={ changeFileInput }/>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/following-setuper.tag b/src/web/app/desktop/tags/following-setuper.tag
index e0d072780..3197e9361 100644
--- a/src/web/app/desktop/tags/following-setuper.tag
+++ b/src/web/app/desktop/tags/following-setuper.tag
@@ -5,7 +5,7 @@
 			<div class="body"><a class="name" href={ '/' + username } target="_blank" data-user-preview={ id }>{ name }</a>
 				<p class="username">@{ username }</p>
 			</div>
-			<mk-follow-button user={ this }></mk-follow-button>
+			<mk-follow-button user={ this }/>
 		</div>
 	</div>
 	<p class="empty" if={ !fetching && users.length == 0 }>おすすめのユーザーは見つかりませんでした。</p>
diff --git a/src/web/app/desktop/tags/home-widgets/mentions.tag b/src/web/app/desktop/tags/home-widgets/mentions.tag
index 6e6d891cb..b94e9b04c 100644
--- a/src/web/app/desktop/tags/home-widgets/mentions.tag
+++ b/src/web/app/desktop/tags/home-widgets/mentions.tag
@@ -1,10 +1,10 @@
 <mk-mentions-home-widget>
 	<header><span data-is-active={ mode == 'all' } onclick={ setMode.bind(this, 'all') }>すべて</span><span data-is-active={ mode == 'following' } onclick={ setMode.bind(this, 'following') }>フォロー中</span></header>
 	<div class="loading" if={ isLoading }>
-		<mk-ellipsis-icon></mk-ellipsis-icon>
+		<mk-ellipsis-icon/>
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-comments-o"></i><span if={ mode == 'all' }>あなた宛ての投稿はありません。</span><span if={ mode == 'following' }>あなたがフォローしているユーザーからの言及はありません。</span></p>
-	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
+	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/home-widgets/notifications.tag b/src/web/app/desktop/tags/home-widgets/notifications.tag
index 0214a216b..b1170855a 100644
--- a/src/web/app/desktop/tags/home-widgets/notifications.tag
+++ b/src/web/app/desktop/tags/home-widgets/notifications.tag
@@ -1,7 +1,7 @@
 <mk-notifications-home-widget>
 	<p class="title"><i class="fa fa-bell-o"></i>%i18n:desktop.tags.mk-notifications-home-widget.title%</p>
 	<button onclick={ settings } title="%i18n:desktop.tags.mk-notifications-home-widget.settings%"><i class="fa fa-cog"></i></button>
-	<mk-notifications></mk-notifications>
+	<mk-notifications/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/home-widgets/recommended-polls.tag b/src/web/app/desktop/tags/home-widgets/recommended-polls.tag
index ffe927258..b724718af 100644
--- a/src/web/app/desktop/tags/home-widgets/recommended-polls.tag
+++ b/src/web/app/desktop/tags/home-widgets/recommended-polls.tag
@@ -4,7 +4,7 @@
 	<div class="poll" if={ !loading && poll != null }>
 		<p if={ poll.text }><a href="/{ poll.user.username }/{ poll.id }">{ poll.text }</a></p>
 		<p if={ !poll.text }><a href="/{ poll.user.username }/{ poll.id }"><i class="fa fa-link"></i></a></p>
-		<mk-poll post={ poll }></mk-poll>
+		<mk-poll post={ poll }/>
 	</div>
 	<p class="empty" if={ !loading && poll == null }>%i18n:desktop.tags.mk-recommended-polls-home-widget.nothing%</p>
 	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>%i18n:common.loading%<mk-ellipsis/></p>
diff --git a/src/web/app/desktop/tags/home-widgets/timeline.tag b/src/web/app/desktop/tags/home-widgets/timeline.tag
index a0a8790ea..08d96ad71 100644
--- a/src/web/app/desktop/tags/home-widgets/timeline.tag
+++ b/src/web/app/desktop/tags/home-widgets/timeline.tag
@@ -1,10 +1,10 @@
 <mk-timeline-home-widget>
-	<mk-following-setuper if={ noFollowing }></mk-following-setuper>
+	<mk-following-setuper if={ noFollowing }/>
 	<div class="loading" if={ isLoading }>
-		<mk-ellipsis-icon></mk-ellipsis-icon>
+		<mk-ellipsis-icon/>
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-comments-o"></i>自分の投稿や、自分がフォローしているユーザーの投稿が表示されます。</p>
-	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
+	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/home-widgets/user-recommendation.tag b/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
index 753282c15..f78d7944f 100644
--- a/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
+++ b/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
@@ -9,7 +9,7 @@
 			<a class="name" href={ '/' + _user.username } data-user-preview={ _user.id }>{ _user.name }</a>
 			<p class="username">@{ _user.username }</p>
 		</div>
-		<mk-follow-button user={ _user }></mk-follow-button>
+		<mk-follow-button user={ _user }/>
 	</div>
 	<p class="empty" if={ !loading && users.length == 0 }>%i18n:desktop.tags.mk-user-recommendation-home-widget.no-one%</p>
 	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>%i18n:common.loading%<mk-ellipsis/></p>
diff --git a/src/web/app/desktop/tags/home.tag b/src/web/app/desktop/tags/home.tag
index 7d27710d0..ba89a0166 100644
--- a/src/web/app/desktop/tags/home.tag
+++ b/src/web/app/desktop/tags/home.tag
@@ -2,8 +2,8 @@
 	<div class="main">
 		<div class="left" ref="left"></div>
 		<main>
-			<mk-timeline-home-widget ref="tl" if={ mode == 'timeline' }></mk-timeline-home-widget>
-			<mk-mentions-home-widget ref="tl" if={ mode == 'mentions' }></mk-mentions-home-widget>
+			<mk-timeline-home-widget ref="tl" if={ mode == 'timeline' }/>
+			<mk-mentions-home-widget ref="tl" if={ mode == 'mentions' }/>
 		</main>
 		<div class="right" ref="right"></div>
 	</div>
diff --git a/src/web/app/desktop/tags/list-user.tag b/src/web/app/desktop/tags/list-user.tag
index c7d6e5edc..91a6de0a0 100644
--- a/src/web/app/desktop/tags/list-user.tag
+++ b/src/web/app/desktop/tags/list-user.tag
@@ -12,7 +12,7 @@
 			<div class="description">{ user.description }</div>
 		</div>
 	</div>
-	<mk-follow-button user={ user }></mk-follow-button>
+	<mk-follow-button user={ user }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/messaging/room-window.tag b/src/web/app/desktop/tags/messaging/room-window.tag
index e8a9ed6ac..5d8a4303a 100644
--- a/src/web/app/desktop/tags/messaging/room-window.tag
+++ b/src/web/app/desktop/tags/messaging/room-window.tag
@@ -2,7 +2,7 @@
 	<mk-window ref="window" is-modal={ false } width={ '500px' } height={ '560px' }>
 		<yield to="header"><i class="fa fa-comments"></i>メッセージ: { parent.user.name }</yield>
 		<yield to="content">
-			<mk-messaging-room user={ parent.user }></mk-messaging-room>
+			<mk-messaging-room user={ parent.user }/>
 		</yield>
 	</mk-window>
 	<style>
diff --git a/src/web/app/desktop/tags/messaging/window.tag b/src/web/app/desktop/tags/messaging/window.tag
index c7af1dc2a..5e478f036 100644
--- a/src/web/app/desktop/tags/messaging/window.tag
+++ b/src/web/app/desktop/tags/messaging/window.tag
@@ -2,7 +2,7 @@
 	<mk-window ref="window" is-modal={ false } width={ '500px' } height={ '560px' }>
 		<yield to="header"><i class="fa fa-comments"></i>メッセージ</yield>
 		<yield to="content">
-			<mk-messaging ref="index"></mk-messaging>
+			<mk-messaging ref="index"/>
 		</yield>
 	</mk-window>
 	<style>
diff --git a/src/web/app/desktop/tags/notifications.tag b/src/web/app/desktop/tags/notifications.tag
index 348a41706..ce24ac437 100644
--- a/src/web/app/desktop/tags/notifications.tag
+++ b/src/web/app/desktop/tags/notifications.tag
@@ -2,7 +2,7 @@
 	<div class="notifications" if={ notifications.length != 0 }>
 		<virtual each={ notification, i in notifications }>
 			<div class="notification { notification.type }">
-				<mk-time time={ notification.created_at }></mk-time>
+				<mk-time time={ notification.created_at }/>
 				<virtual if={ notification.type == 'reaction' }>
 					<a class="avatar-anchor" href={ '/' + notification.user.username } data-user-preview={ notification.user.id }>
 						<img class="avatar" src={ notification.user.avatar_url + '?thumbnail&size=48' } alt="avatar"/>
diff --git a/src/web/app/desktop/tags/pages/entrance.tag b/src/web/app/desktop/tags/pages/entrance.tag
index 00c0d1ed1..7ad19c073 100644
--- a/src/web/app/desktop/tags/pages/entrance.tag
+++ b/src/web/app/desktop/tags/pages/entrance.tag
@@ -1,16 +1,16 @@
 <mk-entrance>
 	<main>
 		<img src="/assets/title.svg" alt="Misskey"/>
-		<mk-entrance-signin if={ mode == 'signin' }></mk-entrance-signin>
-		<mk-entrance-signup if={ mode == 'signup' }></mk-entrance-signup>
+		<mk-entrance-signin if={ mode == 'signin' }/>
+		<mk-entrance-signup if={ mode == 'signup' }/>
 		<div class="introduction" if={ mode == 'introduction' }>
-			<mk-introduction></mk-introduction>
+			<mk-introduction/>
 			<button onclick={ signin }>わかった</button>
 		</div>
 	</main>
-	<mk-forkit></mk-forkit>
+	<mk-forkit/>
 	<footer>
-		<mk-copyright></mk-copyright>
+		<mk-copyright/>
 	</footer>
 	<!-- ↓ https://github.com/riot/riot/issues/2134 (将来的)-->
 	<style data-disable-scope="data-disable-scope">
diff --git a/src/web/app/desktop/tags/pages/entrance/signin.tag b/src/web/app/desktop/tags/pages/entrance/signin.tag
index bd4b47c7d..6caa747c1 100644
--- a/src/web/app/desktop/tags/pages/entrance/signin.tag
+++ b/src/web/app/desktop/tags/pages/entrance/signin.tag
@@ -3,7 +3,7 @@
 		<h1><img if={ user } src={ user.avatar_url + '?thumbnail&size=32' }/>
 			<p>{ user ? user.name : 'アカウント' }</p>
 		</h1>
-		<mk-signin ref="signin"></mk-signin>
+		<mk-signin ref="signin"/>
 	</div>
 	<div class="divider"><span>or</span></div>
 	<button class="signup" onclick={ parent.signup }>新規登録</button><a class="introduction" onclick={ introduction }>Misskeyについて</a>
diff --git a/src/web/app/desktop/tags/pages/entrance/signup.tag b/src/web/app/desktop/tags/pages/entrance/signup.tag
index 7ab53759c..0722d82a6 100644
--- a/src/web/app/desktop/tags/pages/entrance/signup.tag
+++ b/src/web/app/desktop/tags/pages/entrance/signup.tag
@@ -1,5 +1,5 @@
 <mk-entrance-signup>
-	<mk-signup></mk-signup>
+	<mk-signup/>
 	<button class="cancel" type="button" onclick={ parent.signin } title="キャンセル"><i class="fa fa-times"></i></button>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/pages/home.tag b/src/web/app/desktop/tags/pages/home.tag
index 09a663b6c..124a2eefa 100644
--- a/src/web/app/desktop/tags/pages/home.tag
+++ b/src/web/app/desktop/tags/pages/home.tag
@@ -1,6 +1,6 @@
 <mk-home-page>
 	<mk-ui ref="ui" page={ page }>
-		<mk-home ref="home" mode={ parent.opts.mode }></mk-home>
+		<mk-home ref="home" mode={ parent.opts.mode }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/pages/post.tag b/src/web/app/desktop/tags/pages/post.tag
index 42acdd6aa..c91e98bbd 100644
--- a/src/web/app/desktop/tags/pages/post.tag
+++ b/src/web/app/desktop/tags/pages/post.tag
@@ -1,7 +1,7 @@
 <mk-post-page>
 	<mk-ui ref="ui">
 		<main>
-			<mk-post-detail ref="detail" post={ parent.post }></mk-post-detail>
+			<mk-post-detail ref="detail" post={ parent.post }/>
 		</main>
 	</mk-ui>
 	<style>
diff --git a/src/web/app/desktop/tags/pages/search.tag b/src/web/app/desktop/tags/pages/search.tag
index 7a97e4781..4f5867bdb 100644
--- a/src/web/app/desktop/tags/pages/search.tag
+++ b/src/web/app/desktop/tags/pages/search.tag
@@ -1,6 +1,6 @@
 <mk-search-page>
 	<mk-ui ref="ui">
-		<mk-search ref="search" query={ parent.opts.query }></mk-search>
+		<mk-search ref="search" query={ parent.opts.query }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/pages/user.tag b/src/web/app/desktop/tags/pages/user.tag
index 9e3538308..864fe2273 100644
--- a/src/web/app/desktop/tags/pages/user.tag
+++ b/src/web/app/desktop/tags/pages/user.tag
@@ -1,6 +1,6 @@
 <mk-user-page>
 	<mk-ui ref="ui">
-		<mk-user ref="user" user={ parent.user } page={ parent.opts.page }></mk-user>
+		<mk-user ref="user" user={ parent.user } page={ parent.opts.page }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/post-detail-sub.tag b/src/web/app/desktop/tags/post-detail-sub.tag
index c8aec616a..8a0ada5f2 100644
--- a/src/web/app/desktop/tags/post-detail-sub.tag
+++ b/src/web/app/desktop/tags/post-detail-sub.tag
@@ -10,7 +10,7 @@
 			</div>
 			<div class="right">
 				<a class="time" href={ '/' + this.post.user.username + '/' + this.post.id }>
-					<mk-time time={ post.created_at }></mk-time>
+					<mk-time time={ post.created_at }/>
 				</a>
 			</div>
 		</header>
diff --git a/src/web/app/desktop/tags/post-detail.tag b/src/web/app/desktop/tags/post-detail.tag
index 6a3c35362..b162a4084 100644
--- a/src/web/app/desktop/tags/post-detail.tag
+++ b/src/web/app/desktop/tags/post-detail.tag
@@ -1,6 +1,6 @@
 <mk-post-detail title={ title }>
 	<div class="fetching" if={ fetching }>
-		<mk-ellipsis-icon></mk-ellipsis-icon>
+		<mk-ellipsis-icon/>
 	</div>
 	<div class="main" if={ !fetching }>
 		<button class="read-more" if={ p.reply_to && p.reply_to.reply_to_id && context == null } title="会話をもっと読み込む" onclick={ loadContext } disabled={ contextFetching }>
@@ -9,11 +9,11 @@
 		</button>
 		<div class="context">
 			<virtual each={ post in context }>
-				<mk-post-detail-sub post={ post }></mk-post-detail-sub>
+				<mk-post-detail-sub post={ post }/>
 			</virtual>
 		</div>
 		<div class="reply-to" if={ p.reply_to }>
-			<mk-post-detail-sub post={ p.reply_to }></mk-post-detail-sub>
+			<mk-post-detail-sub post={ p.reply_to }/>
 		</div>
 		<div class="repost" if={ isRepost }>
 			<p>
@@ -34,7 +34,7 @@
 				<a class="name" href={ '/' + p.user.username } data-user-preview={ p.user.id }>{ p.user.name }</a>
 				<span class="username">@{ p.user.username }</span>
 				<a class="time" href={ url }>
-					<mk-time time={ p.created_at }></mk-time>
+					<mk-time time={ p.created_at }/>
 				</a>
 			</header>
 			<div class="body">
@@ -42,10 +42,10 @@
 				<div class="media" if={ p.media }>
 					<virtual each={ file in p.media }><img src={ file.url + '?thumbnail&size=512' } alt={ file.name } title={ file.name }/></virtual>
 				</div>
-				<mk-poll if={ p.poll } post={ p }></mk-poll>
+				<mk-poll if={ p.poll } post={ p }/>
 			</div>
 			<footer>
-				<mk-reactions-viewer post={ p }></mk-reactions-viewer>
+				<mk-reactions-viewer post={ p }/>
 				<button onclick={ reply } title="返信"><i class="fa fa-reply"></i>
 					<p class="count" if={ p.replies_count > 0 }>{ p.replies_count }</p>
 				</button>
@@ -60,7 +60,7 @@
 		</article>
 		<div class="replies">
 			<virtual each={ post in replies }>
-				<mk-post-detail-sub post={ post }></mk-post-detail-sub>
+				<mk-post-detail-sub post={ post }/>
 			</virtual>
 		</div>
 	</div>
diff --git a/src/web/app/desktop/tags/post-form-window.tag b/src/web/app/desktop/tags/post-form-window.tag
index a8b119e64..05a09b780 100644
--- a/src/web/app/desktop/tags/post-form-window.tag
+++ b/src/web/app/desktop/tags/post-form-window.tag
@@ -8,10 +8,10 @@
 		</yield>
 		<yield to="content">
 			<div class="ref" if={ parent.opts.reply }>
-				<mk-post-preview post={ parent.opts.reply }></mk-post-preview>
+				<mk-post-preview post={ parent.opts.reply }/>
 			</div>
 			<div class="body">
-				<mk-post-form ref="form" reply={ parent.opts.reply }></mk-post-form>
+				<mk-post-form ref="form" reply={ parent.opts.reply }/>
 			</div>
 		</yield>
 	</mk-window>
diff --git a/src/web/app/desktop/tags/post-form.tag b/src/web/app/desktop/tags/post-form.tag
index 2412bd741..024cd095e 100644
--- a/src/web/app/desktop/tags/post-form.tag
+++ b/src/web/app/desktop/tags/post-form.tag
@@ -11,16 +11,16 @@
 			</ul>
 			<p class="remain">{ 4 - files.length }/4</p>
 		</div>
-		<mk-poll-editor if={ poll } ref="poll" ondestroy={ onPollDestroyed }></mk-poll-editor>
+		<mk-poll-editor if={ poll } ref="poll" ondestroy={ onPollDestroyed }/>
 	</div>
-	<mk-uploader ref="uploader"></mk-uploader>
+	<mk-uploader ref="uploader"/>
 	<button ref="upload" title="%i18n:desktop.tags.mk-post-form.attach-media-from-local%" onclick={ selectFile }><i class="fa fa-upload"></i></button>
 	<button ref="drive" title="%i18n:desktop.tags.mk-post-form.attach-media-from-drive%" onclick={ selectFileFromDrive }><i class="fa fa-cloud"></i></button>
 	<button class="cat" title="%i18n:desktop.tags.mk-post-form.insert-the-cat%" onclick={ cat }><i class="fa fa-smile-o"></i></button>
 	<button class="poll" title="%i18n:desktop.tags.mk-post-form.create-poll%" onclick={ addPoll }><i class="fa fa-pie-chart"></i></button>
 	<p class="text-count { over: refs.text.value.length > 1000 }">{ '%i18n:desktop.tags.mk-post-form.text-remain%'.replace('{}', 1000 - refs.text.value.length) }</p>
 	<button class={ wait: wait } ref="submit" disabled={ wait || (refs.text.value.length == 0 && files.length == 0 && !poll　&& !repost) } onclick={ post }>
-		{ wait ? '%i18n:desktop.tags.mk-post-form.posting%' : submitText }<mk-ellipsis if={ wait }></mk-ellipsis>
+		{ wait ? '%i18n:desktop.tags.mk-post-form.posting%' : submitText }<mk-ellipsis if={ wait }/>
 	</button>
 	<input ref="file" type="file" accept="image/*" multiple="multiple" tabindex="-1" onchange={ changeFile }/>
 	<div class="dropzone" if={ draghover }></div>
diff --git a/src/web/app/desktop/tags/post-preview.tag b/src/web/app/desktop/tags/post-preview.tag
index e4a94a9b7..9a7db5ffa 100644
--- a/src/web/app/desktop/tags/post-preview.tag
+++ b/src/web/app/desktop/tags/post-preview.tag
@@ -2,9 +2,9 @@
 	<article><a class="avatar-anchor" href={ '/' + post.user.username }><img class="avatar" src={ post.user.avatar_url + '?thumbnail&size=64' } alt="avatar" data-user-preview={ post.user_id }/></a>
 		<div class="main">
 			<header><a class="name" href={ '/' + post.user.username } data-user-preview={ post.user_id }>{ post.user.name }</a><span class="username">@{ post.user.username }</span><a class="time" href={ '/' + post.user.username + '/' + post.id }>
-					<mk-time time={ post.created_at }></mk-time></a></header>
+					<mk-time time={ post.created_at }/></a></header>
 			<div class="body">
-				<mk-sub-post-content class="text" post={ post }></mk-sub-post-content>
+				<mk-sub-post-content class="text" post={ post }/>
 			</div>
 		</div>
 	</article>
diff --git a/src/web/app/desktop/tags/repost-form-window.tag b/src/web/app/desktop/tags/repost-form-window.tag
index e9a6a58b7..58ececf0e 100644
--- a/src/web/app/desktop/tags/repost-form-window.tag
+++ b/src/web/app/desktop/tags/repost-form-window.tag
@@ -4,7 +4,7 @@
 			<i class="fa fa-retweet"></i>%i18n:desktop.tags.mk-repost-form-window.title%
 		</yield>
 		<yield to="content">
-			<mk-repost-form ref="form" post={ parent.opts.post }></mk-repost-form>
+			<mk-repost-form ref="form" post={ parent.opts.post }/>
 		</yield>
 	</mk-window>
 	<style>
diff --git a/src/web/app/desktop/tags/repost-form.tag b/src/web/app/desktop/tags/repost-form.tag
index 19027e5af..c3cf6c1fb 100644
--- a/src/web/app/desktop/tags/repost-form.tag
+++ b/src/web/app/desktop/tags/repost-form.tag
@@ -1,5 +1,5 @@
 <mk-repost-form>
-	<mk-post-preview post={ opts.post }></mk-post-preview>
+	<mk-post-preview post={ opts.post }/>
 	<virtual if={ !quote }>
 		<footer>
 			<a class="quote" if={ !quote } onclick={ onquote }>%i18n:desktop.tags.mk-repost-form.quote%</a>
@@ -8,7 +8,7 @@
 		</footer>
 	</virtual>
 	<virtual if={ quote }>
-		<mk-post-form ref="form" repost={ opts.post }></mk-post-form>
+		<mk-post-form ref="form" repost={ opts.post }/>
 	</virtual>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/search-posts.tag b/src/web/app/desktop/tags/search-posts.tag
index 76365fb29..4025f8733 100644
--- a/src/web/app/desktop/tags/search-posts.tag
+++ b/src/web/app/desktop/tags/search-posts.tag
@@ -1,9 +1,9 @@
 <mk-search-posts>
 	<div class="loading" if={ isLoading }>
-		<mk-ellipsis-icon></mk-ellipsis-icon>
+		<mk-ellipsis-icon/>
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-search"></i>「{ query }」に関する投稿は見つかりませんでした。</p>
-	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
+	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/search.tag b/src/web/app/desktop/tags/search.tag
index 681b4c8ae..d5159fe4e 100644
--- a/src/web/app/desktop/tags/search.tag
+++ b/src/web/app/desktop/tags/search.tag
@@ -2,7 +2,7 @@
 	<header>
 		<h1>{ query }</h1>
 	</header>
-	<mk-search-posts ref="posts" query={ query }></mk-search-posts>
+	<mk-search-posts ref="posts" query={ query }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/select-file-from-drive-window.tag b/src/web/app/desktop/tags/select-file-from-drive-window.tag
index 5dba76d1f..8a7e725b7 100644
--- a/src/web/app/desktop/tags/select-file-from-drive-window.tag
+++ b/src/web/app/desktop/tags/select-file-from-drive-window.tag
@@ -1,11 +1,11 @@
 <mk-select-file-from-drive-window>
 	<mk-window ref="window" is-modal={ true } width={ '800px' } height={ '500px' }>
 		<yield to="header">
-			<mk-raw content={ parent.title }></mk-raw>
+			<mk-raw content={ parent.title }/>
 			<span class="count" if={ parent.multiple && parent.files.length > 0 }>({ parent.files.length }ファイル選択中)</span>
 		</yield>
 		<yield to="content">
-			<mk-drive-browser ref="browser" multiple={ parent.multiple }></mk-drive-browser>
+			<mk-drive-browser ref="browser" multiple={ parent.multiple }/>
 			<div>
 				<button class="upload" title="PCからドライブにファイルをアップロード" onclick={ parent.upload }><i class="fa fa-upload"></i></button>
 				<button class="cancel" onclick={ parent.close }>キャンセル</button>
diff --git a/src/web/app/desktop/tags/settings-window.tag b/src/web/app/desktop/tags/settings-window.tag
index 88b74ee17..28065e0a0 100644
--- a/src/web/app/desktop/tags/settings-window.tag
+++ b/src/web/app/desktop/tags/settings-window.tag
@@ -2,7 +2,7 @@
 	<mk-window ref="window" is-modal={ true } width={ '700px' } height={ '550px' }>
 		<yield to="header"><i class="fa fa-cog"></i>設定</yield>
 		<yield to="content">
-			<mk-settings></mk-settings>
+			<mk-settings/>
 		</yield>
 	</mk-window>
 	<style>
diff --git a/src/web/app/desktop/tags/settings.tag b/src/web/app/desktop/tags/settings.tag
index 25b0435ca..a89cfda0e 100644
--- a/src/web/app/desktop/tags/settings.tag
+++ b/src/web/app/desktop/tags/settings.tag
@@ -45,22 +45,22 @@
 
 		<section class="apps" show={ page == 'apps' }>
 			<h1>アプリケーション</h1>
-			<mk-authorized-apps></mk-authorized-apps>
+			<mk-authorized-apps/>
 		</section>
 
 		<section class="twitter" show={ page == 'twitter' }>
 			<h1>Twitter</h1>
-			<mk-twitter-setting></mk-twitter-setting>
+			<mk-twitter-setting/>
 		</section>
 
 		<section class="signin" show={ page == 'signin' }>
 			<h1>ログイン履歴</h1>
-			<mk-signin-history></mk-signin-history>
+			<mk-signin-history/>
 		</section>
 
 		<section class="api" show={ page == 'api' }>
 			<h1>API</h1>
-			<mk-api-info></mk-api-info>
+			<mk-api-info/>
 		</section>
 	</div>
 	<style>
diff --git a/src/web/app/desktop/tags/sub-post-content.tag b/src/web/app/desktop/tags/sub-post-content.tag
index fab2e65af..02cb5251b 100644
--- a/src/web/app/desktop/tags/sub-post-content.tag
+++ b/src/web/app/desktop/tags/sub-post-content.tag
@@ -8,11 +8,11 @@
 	</div>
 	<details if={ post.media }>
 		<summary>({ post.media.length }つのメディア)</summary>
-		<mk-images-viewer images={ post.media }></mk-images-viewer>
+		<mk-images-viewer images={ post.media }/>
 	</details>
 	<details if={ post.poll }>
 		<summary>投票</summary>
-		<mk-poll post={ post }></mk-poll>
+		<mk-poll post={ post }/>
 	</details>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/timeline-post-sub.tag b/src/web/app/desktop/tags/timeline-post-sub.tag
index cc4c99c29..ab1e26721 100644
--- a/src/web/app/desktop/tags/timeline-post-sub.tag
+++ b/src/web/app/desktop/tags/timeline-post-sub.tag
@@ -8,11 +8,11 @@
 				<a class="name" href={ '/' + post.user.username } data-user-preview={ post.user_id }>{ post.user.name }</a>
 				<span class="username">@{ post.user.username }</span>
 				<a class="created-at" href={ '/' + post.user.username + '/' + post.id }>
-					<mk-time time={ post.created_at }></mk-time>
+					<mk-time time={ post.created_at }/>
 				</a>
 			</header>
 			<div class="body">
-				<mk-sub-post-content class="text" post={ post }></mk-sub-post-content>
+				<mk-sub-post-content class="text" post={ post }/>
 			</div>
 		</div>
 	</article>
diff --git a/src/web/app/desktop/tags/timeline-post.tag b/src/web/app/desktop/tags/timeline-post.tag
index 1b5b811a9..150b928df 100644
--- a/src/web/app/desktop/tags/timeline-post.tag
+++ b/src/web/app/desktop/tags/timeline-post.tag
@@ -1,6 +1,6 @@
 <mk-timeline-post tabindex="-1" title={ title } onkeydown={ onKeyDown }>
 	<div class="reply-to" if={ p.reply_to }>
-		<mk-timeline-post-sub post={ p.reply_to }></mk-timeline-post-sub>
+		<mk-timeline-post-sub post={ p.reply_to }/>
 	</div>
 	<div class="repost" if={ isRepost }>
 		<p>
@@ -9,7 +9,7 @@
 			</a>
 			<i class="fa fa-retweet"></i>{'%i18n:desktop.tags.mk-timeline-post.reposted-by%'.substr(0, '%i18n:desktop.tags.mk-timeline-post.reposted-by%'.indexOf('{'))}<a class="name" href={ '/' + post.user.username } data-user-preview={ post.user_id }>{ post.user.name }</a>{'%i18n:desktop.tags.mk-timeline-post.reposted-by%'.substr('%i18n:desktop.tags.mk-timeline-post.reposted-by%'.indexOf('}') + 1)}
 		</p>
-		<mk-time time={ post.created_at }></mk-time>
+		<mk-time time={ post.created_at }/>
 	</div>
 	<article>
 		<a class="avatar-anchor" href={ '/' + p.user.username }>
@@ -23,7 +23,7 @@
 				<div class="info">
 					<span class="app" if={ p.app }>via <b>{ p.app.name }</b></span>
 					<a class="created-at" href={ url }>
-						<mk-time time={ p.created_at }></mk-time>
+						<mk-time time={ p.created_at }/>
 					</a>
 				</div>
 			</header>
@@ -36,15 +36,15 @@
 					<a class="quote" if={ p.repost != null }>RP:</a>
 				</div>
 				<div class="media" if={ p.media }>
-					<mk-images-viewer images={ p.media }></mk-images-viewer>
+					<mk-images-viewer images={ p.media }/>
 				</div>
-				<mk-poll if={ p.poll } post={ p } ref="pollViewer"></mk-poll>
+				<mk-poll if={ p.poll } post={ p } ref="pollViewer"/>
 				<div class="repost" if={ p.repost }><i class="fa fa-quote-right fa-flip-horizontal"></i>
-					<mk-post-preview class="repost" post={ p.repost }></mk-post-preview>
+					<mk-post-preview class="repost" post={ p.repost }/>
 				</div>
 			</div>
 			<footer>
-				<mk-reactions-viewer post={ p } ref="reactionsViewer"></mk-reactions-viewer>
+				<mk-reactions-viewer post={ p } ref="reactionsViewer"/>
 				<button onclick={ reply } title="%i18n:desktop.tags.mk-timeline-post.reply%"><i class="fa fa-reply"></i>
 					<p class="count" if={ p.replies_count > 0 }>{ p.replies_count }</p>
 				</button>
@@ -65,7 +65,7 @@
 		</div>
 	</article>
 	<div class="detail" if={ isDetailOpened }>
-		<mk-post-status-graph width="462" height="130" post={ p }></mk-post-status-graph>
+		<mk-post-status-graph width="462" height="130" post={ p }/>
 	</div>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/timeline.tag b/src/web/app/desktop/tags/timeline.tag
index a589adf5a..d4cd50455 100644
--- a/src/web/app/desktop/tags/timeline.tag
+++ b/src/web/app/desktop/tags/timeline.tag
@@ -1,6 +1,6 @@
 <mk-timeline>
 	<virtual each={ post, i in posts }>
-		<mk-timeline-post post={ post }></mk-timeline-post>
+		<mk-timeline-post post={ post }/>
 		<p class="date" if={ i != posts.length - 1 && post._date != posts[i + 1]._date }><span><i class="fa fa-angle-up"></i>{ post._datetext }</span><span><i class="fa fa-angle-down"></i>{ posts[i + 1]._datetext }</span></p>
 	</virtual>
 	<footer data-yield="footer">
diff --git a/src/web/app/desktop/tags/ui-header-clock.tag b/src/web/app/desktop/tags/ui-header-clock.tag
index 3c81f963f..b8cb07849 100644
--- a/src/web/app/desktop/tags/ui-header-clock.tag
+++ b/src/web/app/desktop/tags/ui-header-clock.tag
@@ -7,7 +7,7 @@
 		</time>
 	</div>
 	<div class="content">
-		<mk-analog-clock></mk-analog-clock>
+		<mk-analog-clock/>
 	</div>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/ui-header-notifications.tag b/src/web/app/desktop/tags/ui-header-notifications.tag
index 33156a750..3cd8d1e3d 100644
--- a/src/web/app/desktop/tags/ui-header-notifications.tag
+++ b/src/web/app/desktop/tags/ui-header-notifications.tag
@@ -1,7 +1,7 @@
 <mk-ui-header-notifications>
 	<button class="header" data-active={ isOpen } onclick={ toggle }><i class="fa fa-bell-o"></i></button>
 	<div class="notifications" if={ isOpen }>
-		<mk-notifications></mk-notifications>
+		<mk-notifications/>
 	</div>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/ui-header.tag b/src/web/app/desktop/tags/ui-header.tag
index 1d15a90cc..fa7f2cb2a 100644
--- a/src/web/app/desktop/tags/ui-header.tag
+++ b/src/web/app/desktop/tags/ui-header.tag
@@ -1,19 +1,19 @@
 <mk-ui-header>
-	<mk-donation if={ SIGNIN && I.data.no_donation != 'true' }></mk-donation>
-	<mk-special-message></mk-special-message>
+	<mk-donation if={ SIGNIN && I.data.no_donation != 'true' }/>
+	<mk-special-message/>
 	<div class="main">
 		<div class="backdrop"></div>
 		<div class="main">
 			<div class="container">
 				<div class="left">
-					<mk-ui-header-nav page={ opts.page }></mk-ui-header-nav>
+					<mk-ui-header-nav page={ opts.page }/>
 				</div>
 				<div class="right">
-					<mk-ui-header-search></mk-ui-header-search>
-					<mk-ui-header-account if={ SIGNIN }></mk-ui-header-account>
-					<mk-ui-header-notifications if={ SIGNIN }></mk-ui-header-notifications>
-					<mk-ui-header-post-button if={ SIGNIN }></mk-ui-header-post-button>
-					<mk-ui-header-clock></mk-ui-header-clock>
+					<mk-ui-header-search/>
+					<mk-ui-header-account if={ SIGNIN }/>
+					<mk-ui-header-notifications if={ SIGNIN }/>
+					<mk-ui-header-post-button if={ SIGNIN }/>
+					<mk-ui-header-clock/>
 				</div>
 			</div>
 		</div>
diff --git a/src/web/app/desktop/tags/ui.tag b/src/web/app/desktop/tags/ui.tag
index e701bd746..788fb5613 100644
--- a/src/web/app/desktop/tags/ui.tag
+++ b/src/web/app/desktop/tags/ui.tag
@@ -1,11 +1,11 @@
 <mk-ui>
-	<mk-ui-header page={ opts.page }></mk-ui-header>
-	<mk-set-avatar-suggestion if={ SIGNIN && I.avatar_id == null }></mk-set-avatar-suggestion>
-	<mk-set-banner-suggestion if={ SIGNIN && I.banner_id == null }></mk-set-banner-suggestion>
+	<mk-ui-header page={ opts.page }/>
+	<mk-set-avatar-suggestion if={ SIGNIN && I.avatar_id == null }/>
+	<mk-set-banner-suggestion if={ SIGNIN && I.banner_id == null }/>
 	<div class="content">
 		<yield />
 	</div>
-	<mk-stream-indicator></mk-stream-indicator>
+	<mk-stream-indicator/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/user-followers-window.tag b/src/web/app/desktop/tags/user-followers-window.tag
index a4a24d667..43127a68a 100644
--- a/src/web/app/desktop/tags/user-followers-window.tag
+++ b/src/web/app/desktop/tags/user-followers-window.tag
@@ -1,7 +1,7 @@
 <mk-user-followers-window>
 	<mk-window is-modal={ false } width={ '400px' } height={ '550px' }><yield to="header"><img src={ parent.user.avatar_url + '?thumbnail&size=64' } alt=""/>{ parent.user.name }のフォロワー</yield>
 <yield to="content">
-		<mk-user-followers user={ parent.user }></mk-user-followers></yield>
+		<mk-user-followers user={ parent.user }/></yield>
 	</mk-window>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/user-followers.tag b/src/web/app/desktop/tags/user-followers.tag
index f43e87de8..ea670e272 100644
--- a/src/web/app/desktop/tags/user-followers.tag
+++ b/src/web/app/desktop/tags/user-followers.tag
@@ -1,5 +1,5 @@
 <mk-user-followers>
-	<mk-users-list fetch={ fetch } count={ user.followers_count } you-know-count={ user.followers_you_know_count } no-users={ 'フォロワーはいないようです。' }></mk-users-list>
+	<mk-users-list fetch={ fetch } count={ user.followers_count } you-know-count={ user.followers_you_know_count } no-users={ 'フォロワーはいないようです。' }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/user-following-window.tag b/src/web/app/desktop/tags/user-following-window.tag
index 6dbf3b05e..10a84db31 100644
--- a/src/web/app/desktop/tags/user-following-window.tag
+++ b/src/web/app/desktop/tags/user-following-window.tag
@@ -1,7 +1,7 @@
 <mk-user-following-window>
 	<mk-window is-modal={ false } width={ '400px' } height={ '550px' }><yield to="header"><img src={ parent.user.avatar_url + '?thumbnail&size=64' } alt=""/>{ parent.user.name }のフォロー</yield>
 <yield to="content">
-		<mk-user-following user={ parent.user }></mk-user-following></yield>
+		<mk-user-following user={ parent.user }/></yield>
 	</mk-window>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/user-following.tag b/src/web/app/desktop/tags/user-following.tag
index f2d21b3fe..4523beac2 100644
--- a/src/web/app/desktop/tags/user-following.tag
+++ b/src/web/app/desktop/tags/user-following.tag
@@ -1,5 +1,5 @@
 <mk-user-following>
-	<mk-users-list fetch={ fetch } count={ user.following_count } you-know-count={ user.following_you_know_count } no-users={ 'フォロー中のユーザーはいないようです。' }></mk-users-list>
+	<mk-users-list fetch={ fetch } count={ user.following_count } you-know-count={ user.following_you_know_count } no-users={ 'フォロー中のユーザーはいないようです。' }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/user-graphs.tag b/src/web/app/desktop/tags/user-graphs.tag
index e673f7700..0677d8c18 100644
--- a/src/web/app/desktop/tags/user-graphs.tag
+++ b/src/web/app/desktop/tags/user-graphs.tag
@@ -1,15 +1,15 @@
 <mk-user-graphs>
 	<section>
 		<h1>投稿</h1>
-		<mk-user-posts-graph user={ opts.user }></mk-user-posts-graph>
+		<mk-user-posts-graph user={ opts.user }/>
 	</section>
 	<section>
 		<h1>フォロー/フォロワー</h1>
-		<mk-user-friends-graph user={ opts.user }></mk-user-friends-graph>
+		<mk-user-friends-graph user={ opts.user }/>
 	</section>
 	<section>
 		<h1>いいね</h1>
-		<mk-user-likes-graph user={ opts.user }></mk-user-likes-graph>
+		<mk-user-likes-graph user={ opts.user }/>
 	</section>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/user-home.tag b/src/web/app/desktop/tags/user-home.tag
index 759a57581..a879db5bb 100644
--- a/src/web/app/desktop/tags/user-home.tag
+++ b/src/web/app/desktop/tags/user-home.tag
@@ -1,10 +1,10 @@
 <mk-user-home>
 	<div class="side">
-		<mk-user-profile user={ user }></mk-user-profile>
-		<mk-user-photos user={ user }></mk-user-photos>
+		<mk-user-profile user={ user }/>
+		<mk-user-photos user={ user }/>
 	</div>
 	<main>
-		<mk-user-timeline ref="tl" user={ user }></mk-user-timeline>
+		<mk-user-timeline ref="tl" user={ user }/>
 	</main>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/user-preview.tag b/src/web/app/desktop/tags/user-preview.tag
index f7a1fe359..b836ff1e7 100644
--- a/src/web/app/desktop/tags/user-preview.tag
+++ b/src/web/app/desktop/tags/user-preview.tag
@@ -17,7 +17,7 @@
 				<p>フォロワー</p><a>{ user.followers_count }</a>
 			</div>
 		</div>
-		<mk-follow-button if={ SIGNIN && user.id != I.id } user={ userPromise }></mk-follow-button>
+		<mk-follow-button if={ SIGNIN && user.id != I.id } user={ userPromise }/>
 	</virtual>
 	<style>
 		:scope
diff --git a/src/web/app/desktop/tags/user-profile.tag b/src/web/app/desktop/tags/user-profile.tag
index 546ccf732..7472a4780 100644
--- a/src/web/app/desktop/tags/user-profile.tag
+++ b/src/web/app/desktop/tags/user-profile.tag
@@ -1,6 +1,6 @@
 <mk-user-profile>
 	<div class="friend-form" if={ SIGNIN && I.id != user.id }>
-		<mk-big-follow-button user={ user }></mk-big-follow-button>
+		<mk-big-follow-button user={ user }/>
 		<p class="followed" if={ user.is_followed }>フォローされています</p>
 	</div>
 	<div class="description" if={ user.description }>{ user.description }</div>
@@ -81,7 +81,7 @@
 
 	</style>
 	<script>
-		this.age = require('s-age'); 
+		this.age = require('s-age');
 
 		this.mixin('i');
 
diff --git a/src/web/app/desktop/tags/user-timeline.tag b/src/web/app/desktop/tags/user-timeline.tag
index ac3f995b3..08ab47b16 100644
--- a/src/web/app/desktop/tags/user-timeline.tag
+++ b/src/web/app/desktop/tags/user-timeline.tag
@@ -3,10 +3,10 @@
 		<span data-is-active={ mode == 'default' } onclick={ setMode.bind(this, 'default') }>投稿</span><span data-is-active={ mode == 'with-replies' } onclick={ setMode.bind(this, 'with-replies') }>投稿と返信</span>
 	</header>
 	<div class="loading" if={ isLoading }>
-		<mk-ellipsis-icon></mk-ellipsis-icon>
+		<mk-ellipsis-icon/>
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-comments-o"></i>このユーザーはまだ何も投稿していないようです。</p>
-	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
+	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/desktop/tags/user.tag b/src/web/app/desktop/tags/user.tag
index c12873618..db4fd7cc7 100644
--- a/src/web/app/desktop/tags/user.tag
+++ b/src/web/app/desktop/tags/user.tag
@@ -1,11 +1,11 @@
 <mk-user>
 	<div class="user" if={ !fetching }>
 		<header>
-			<mk-user-header user={ user }></mk-user-header>
+			<mk-user-header user={ user }/>
 		</header>
 		<div class="body">
-			<mk-user-home if={ page == 'home' } user={ user }></mk-user-home>
-			<mk-user-graphs if={ page == 'graphs' } user={ user }></mk-user-graphs>
+			<mk-user-home if={ page == 'home' } user={ user }/>
+			<mk-user-graphs if={ page == 'graphs' } user={ user }/>
 		</div>
 	</div>
 	<style>
diff --git a/src/web/app/desktop/tags/users-list.tag b/src/web/app/desktop/tags/users-list.tag
index 4aa9ed60f..eb34b15a2 100644
--- a/src/web/app/desktop/tags/users-list.tag
+++ b/src/web/app/desktop/tags/users-list.tag
@@ -7,7 +7,7 @@
 	</nav>
 	<div class="users" if={ !fetching && users.length != 0 }>
 		<div each={ users }>
-			<mk-list-user user={ this }></mk-list-user>
+			<mk-list-user user={ this }/>
 		</div>
 	</div>
 	<button class="more" if={ !fetching && next != null } onclick={ more } disabled={ moreFetching }>
diff --git a/src/web/app/dev/tags/pages/new-app.tag b/src/web/app/dev/tags/pages/new-app.tag
index f9369861b..238b6865e 100644
--- a/src/web/app/dev/tags/pages/new-app.tag
+++ b/src/web/app/dev/tags/pages/new-app.tag
@@ -4,7 +4,7 @@
 			<h1>新しいアプリを作成</h1>
 			<p>MisskeyのAPIを利用したアプリケーションを作成できます。</p>
 		</header>
-		<mk-new-app-form></mk-new-app-form>
+		<mk-new-app-form/>
 	</main>
 	<style>
 		:scope
@@ -34,9 +34,9 @@
 						line-height 16px
 						color #9a9894
 
-			
 
-			
+
+
 
 	</style>
 </mk-new-app-page>
diff --git a/src/web/app/mobile/tags/drive-folder-selector.tag b/src/web/app/mobile/tags/drive-folder-selector.tag
index 35b3304d4..eebd62df6 100644
--- a/src/web/app/mobile/tags/drive-folder-selector.tag
+++ b/src/web/app/mobile/tags/drive-folder-selector.tag
@@ -5,7 +5,7 @@
 			<button class="close" onclick={ cancel }><i class="fa fa-times"></i></button>
 			<button class="ok" onclick={ ok }><i class="fa fa-check"></i></button>
 		</header>
-		<mk-drive ref="browser" select-folder={ true }></mk-drive>
+		<mk-drive ref="browser" select-folder={ true }/>
 	</div>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/drive-selector.tag b/src/web/app/mobile/tags/drive-selector.tag
index 45e593434..32845432f 100644
--- a/src/web/app/mobile/tags/drive-selector.tag
+++ b/src/web/app/mobile/tags/drive-selector.tag
@@ -5,7 +5,7 @@
 			<button class="close" onclick={ cancel }><i class="fa fa-times"></i></button>
 			<button class="ok" onclick={ ok }><i class="fa fa-check"></i></button>
 		</header>
-		<mk-drive ref="browser" select-file={ true } multiple={ opts.multiple }></mk-drive>
+		<mk-drive ref="browser" select-file={ true } multiple={ opts.multiple }/>
 	</div>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/drive.tag b/src/web/app/mobile/tags/drive.tag
index 7c66f63af..bafa5a4fc 100644
--- a/src/web/app/mobile/tags/drive.tag
+++ b/src/web/app/mobile/tags/drive.tag
@@ -14,7 +14,7 @@
 			<p>{ file.name }</p>
 		</virtual>
 	</nav>
-	<mk-uploader ref="uploader"></mk-uploader>
+	<mk-uploader ref="uploader"/>
 	<div class="browser { fetching: fetching }" if={ file == null }>
 		<div class="info" if={ info }>
 			<p if={ folder == null }>{ (info.usage / info.capacity * 100).toFixed(1) }% %i18n:mobile.tags.mk-drive.used%</p>
@@ -26,13 +26,13 @@
 		</div>
 		<div class="folders" if={ folders.length > 0 }>
 			<virtual each={ folder in folders }>
-				<mk-drive-folder folder={ folder }></mk-drive-folder>
+				<mk-drive-folder folder={ folder }/>
 			</virtual>
 			<p if={ moreFolders }>%i18n:mobile.tags.mk-drive.load-more%</p>
 		</div>
 		<div class="files" if={ files.length > 0 }>
 			<virtual each={ file in files }>
-				<mk-drive-file file={ file }></mk-drive-file>
+				<mk-drive-file file={ file }/>
 			</virtual>
 			<button class="more" if={ moreFiles } onclick={ fetchMoreFiles }>
 				{ fetchingMoreFiles ? '%i18n:common.loading%' : '%i18n:mobile.tags.mk-drive.load-more%' }
@@ -50,7 +50,7 @@
 		</div>
 	</div>
 	<input ref="file" type="file" multiple="multiple" onchange={ changeLocalFile }/>
-	<mk-drive-file-viewer if={ file != null } file={ file }></mk-drive-file-viewer>
+	<mk-drive-file-viewer if={ file != null } file={ file }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/drive/file-viewer.tag b/src/web/app/mobile/tags/drive/file-viewer.tag
index 75bf6e367..e6129652b 100644
--- a/src/web/app/mobile/tags/drive/file-viewer.tag
+++ b/src/web/app/mobile/tags/drive/file-viewer.tag
@@ -19,11 +19,11 @@
 	</div>
 	<div class="info">
 		<div>
-			<span class="type"><mk-file-type-icon type={ file.type }></mk-file-type-icon>{ file.type }</span>
+			<span class="type"><mk-file-type-icon type={ file.type }/>{ file.type }</span>
 			<span class="separator"></span>
 			<span class="data-size">{ bytesToSize(file.datasize) }</span>
 			<span class="separator"></span>
-			<span class="created-at" onclick={ showCreatedAt }><i class="fa fa-clock-o"></i><mk-time time={ file.created_at }></mk-time></span>
+			<span class="created-at" onclick={ showCreatedAt }><i class="fa fa-clock-o"></i><mk-time time={ file.created_at }/></span>
 		</div>
 	</div>
 	<div class="menu">
diff --git a/src/web/app/mobile/tags/drive/file.tag b/src/web/app/mobile/tags/drive/file.tag
index 98e0df97e..bf51f79a5 100644
--- a/src/web/app/mobile/tags/drive/file.tag
+++ b/src/web/app/mobile/tags/drive/file.tag
@@ -10,12 +10,12 @@
 						li.tag(style={background: tag.color, color: contrast(tag.color)})= tag.name
 			-->
 			<footer>
-				<p class="type"><mk-file-type-icon type={ file.type }></mk-file-type-icon>{ file.type }</p>
+				<p class="type"><mk-file-type-icon type={ file.type }/>{ file.type }</p>
 				<p class="separator"></p>
 				<p class="data-size">{ bytesToSize(file.datasize) }</p>
 				<p class="separator"></p>
 				<p class="created-at">
-					<i class="fa fa-clock-o"></i><mk-time time={ file.created_at }></mk-time>
+					<i class="fa fa-clock-o"></i><mk-time time={ file.created_at }/>
 				</p>
 			</footer>
 		</div>
diff --git a/src/web/app/mobile/tags/home-timeline.tag b/src/web/app/mobile/tags/home-timeline.tag
index c5aeacd4d..5d5399f32 100644
--- a/src/web/app/mobile/tags/home-timeline.tag
+++ b/src/web/app/mobile/tags/home-timeline.tag
@@ -1,6 +1,6 @@
 <mk-home-timeline>
 	<mk-init-following if={ noFollowing } />
-	<mk-timeline ref="timeline" init={ init } more={ more } empty={ '%i18n:mobile.tags.mk-home-timeline.empty-timeline%' }></mk-timeline>
+	<mk-timeline ref="timeline" init={ init } more={ more } empty={ '%i18n:mobile.tags.mk-home-timeline.empty-timeline%' }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/home.tag b/src/web/app/mobile/tags/home.tag
index 2edfd656e..48b5a67c3 100644
--- a/src/web/app/mobile/tags/home.tag
+++ b/src/web/app/mobile/tags/home.tag
@@ -1,5 +1,5 @@
 <mk-home>
-	<mk-home-timeline ref="tl"></mk-home-timeline>
+	<mk-home-timeline ref="tl"/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/init-following.tag b/src/web/app/mobile/tags/init-following.tag
index ade3ea4ae..0c54d3a6a 100644
--- a/src/web/app/mobile/tags/init-following.tag
+++ b/src/web/app/mobile/tags/init-following.tag
@@ -5,7 +5,7 @@
 			<div class="body"><a class="name" href={ '/' + username } target="_blank">{ name }</a>
 				<p class="username">@{ username }</p>
 			</div>
-			<mk-follow-button user={ this }></mk-follow-button>
+			<mk-follow-button user={ this }/>
 		</div>
 	</div>
 	<p class="empty" if={ !fetching && users.length == 0 }>おすすめのユーザーは見つかりませんでした。</p>
diff --git a/src/web/app/mobile/tags/notification.tag b/src/web/app/mobile/tags/notification.tag
index 61e492636..366370952 100644
--- a/src/web/app/mobile/tags/notification.tag
+++ b/src/web/app/mobile/tags/notification.tag
@@ -1,5 +1,5 @@
 <mk-notification class={ notification.type }>
-	<mk-time time={ notification.created_at }></mk-time>
+	<mk-time time={ notification.created_at }/>
 	<virtual if={ notification.type == 'reaction' }>
 		<a class="avatar-anchor" href={ '/' + notification.user.username }>
 			<img class="avatar" src={ notification.user.avatar_url + '?thumbnail&size=64' } alt="avatar"/>
diff --git a/src/web/app/mobile/tags/notifications.tag b/src/web/app/mobile/tags/notifications.tag
index adc6c7966..21a941e63 100644
--- a/src/web/app/mobile/tags/notifications.tag
+++ b/src/web/app/mobile/tags/notifications.tag
@@ -2,7 +2,7 @@
 	<div class="notifications" if={ notifications.length != 0 }>
 		<virtual each={ notification, i in notifications }>
 			<div>
-				<mk-notification notification={ notification }></mk-notification>
+				<mk-notification notification={ notification }/>
 			</div>
 			<p class="date" if={ i != notifications.length - 1 && notification._date != notifications[i + 1]._date }><span><i class="fa fa-angle-up"></i>{ notification._datetext }</span><span><i class="fa fa-angle-down"></i>{ notifications[i + 1]._datetext }</span></p>
 		</virtual>
diff --git a/src/web/app/mobile/tags/notify.tag b/src/web/app/mobile/tags/notify.tag
index 6bbf337de..2dfc2dddb 100644
--- a/src/web/app/mobile/tags/notify.tag
+++ b/src/web/app/mobile/tags/notify.tag
@@ -1,5 +1,5 @@
 <mk-notify>
-	<mk-notification-preview notification={ opts.notification }></mk-notification-preview>
+	<mk-notification-preview notification={ opts.notification }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/page/drive.tag b/src/web/app/mobile/tags/page/drive.tag
index c28d76778..a5ebf480d 100644
--- a/src/web/app/mobile/tags/page/drive.tag
+++ b/src/web/app/mobile/tags/page/drive.tag
@@ -1,6 +1,6 @@
 <mk-drive-page>
 	<mk-ui ref="ui">
-		<mk-drive ref="browser" folder={ parent.opts.folder } file={ parent.opts.file } data-is-naked="true"></mk-drive>
+		<mk-drive ref="browser" folder={ parent.opts.folder } file={ parent.opts.file } data-is-naked="true"/>
 	</mk-ui>
 	<style>
 		:scope
@@ -63,7 +63,7 @@
 
 				document.title = title;
 				// TODO: escape html characters in file.name
-				ui.trigger('title', '<mk-file-type-icon class="icon"></mk-file-type-icon>' + file.name);
+				ui.trigger('title', '<mk-file-type-icon class="icon"/>' + file.name);
 				riot.mount('mk-file-type-icon', {
 					type: file.type
 				});
diff --git a/src/web/app/mobile/tags/page/entrance.tag b/src/web/app/mobile/tags/page/entrance.tag
index 2dd7940c2..380fb780b 100644
--- a/src/web/app/mobile/tags/page/entrance.tag
+++ b/src/web/app/mobile/tags/page/entrance.tag
@@ -1,14 +1,14 @@
 <mk-entrance>
 	<main><img src="/assets/title.svg" alt="Misskey"/>
-		<mk-entrance-signin if={ mode == 'signin' }></mk-entrance-signin>
-		<mk-entrance-signup if={ mode == 'signup' }></mk-entrance-signup>
+		<mk-entrance-signin if={ mode == 'signin' }/>
+		<mk-entrance-signup if={ mode == 'signup' }/>
 		<div class="introduction" if={ mode == 'introduction' }>
-			<mk-introduction></mk-introduction>
+			<mk-introduction/>
 			<button onclick={ signin }>%i18n:common.ok%</button>
 		</div>
 	</main>
 	<footer>
-		<mk-copyright></mk-copyright>
+		<mk-copyright/>
 	</footer>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/entrance/signin.tag b/src/web/app/mobile/tags/page/entrance/signin.tag
index 119208c7d..827fbccb9 100644
--- a/src/web/app/mobile/tags/page/entrance/signin.tag
+++ b/src/web/app/mobile/tags/page/entrance/signin.tag
@@ -1,5 +1,5 @@
 <mk-entrance-signin>
-	<mk-signin></mk-signin>
+	<mk-signin/>
 	<div class="divider"><span>or</span></div>
 	<button class="signup" onclick={ parent.signup }>%i18n:mobile.tags.mk-entrance-signin.signup%</button><a class="introduction" onclick={ parent.introduction }>%i18n:mobile.tags.mk-entrance-signin.about%</a>
 	<style>
diff --git a/src/web/app/mobile/tags/page/entrance/signup.tag b/src/web/app/mobile/tags/page/entrance/signup.tag
index 29eeaef4f..3798c9434 100644
--- a/src/web/app/mobile/tags/page/entrance/signup.tag
+++ b/src/web/app/mobile/tags/page/entrance/signup.tag
@@ -1,5 +1,5 @@
 <mk-entrance-signup>
-	<mk-signup></mk-signup>
+	<mk-signup/>
 	<button class="cancel" type="button" onclick={ parent.signin } title="%i18n:mobile.tags.mk-entrance-signup.cancel%"><i class="fa fa-times"></i></button>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/home.tag b/src/web/app/mobile/tags/page/home.tag
index 6d8d85521..32c80fd20 100644
--- a/src/web/app/mobile/tags/page/home.tag
+++ b/src/web/app/mobile/tags/page/home.tag
@@ -1,6 +1,6 @@
 <mk-home-page>
 	<mk-ui ref="ui">
-		<mk-home ref="home"></mk-home>
+		<mk-home ref="home"/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/messaging-room.tag b/src/web/app/mobile/tags/page/messaging-room.tag
index 260682ea2..e66e03177 100644
--- a/src/web/app/mobile/tags/page/messaging-room.tag
+++ b/src/web/app/mobile/tags/page/messaging-room.tag
@@ -1,6 +1,6 @@
 <mk-messaging-room-page>
 	<mk-ui ref="ui">
-		<mk-messaging-room if={ !parent.fetching } user={ parent.user } is-naked={ true }></mk-messaging-room>
+		<mk-messaging-room if={ !parent.fetching } user={ parent.user } is-naked={ true }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/messaging.tag b/src/web/app/mobile/tags/page/messaging.tag
index 74568601f..11e8f8cb4 100644
--- a/src/web/app/mobile/tags/page/messaging.tag
+++ b/src/web/app/mobile/tags/page/messaging.tag
@@ -1,6 +1,6 @@
 <mk-messaging-page>
 	<mk-ui ref="ui">
-		<mk-messaging ref="index"></mk-messaging>
+		<mk-messaging ref="index"/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/new-post.tag b/src/web/app/mobile/tags/page/new-post.tag
index 3ba549c8d..7adde3b32 100644
--- a/src/web/app/mobile/tags/page/new-post.tag
+++ b/src/web/app/mobile/tags/page/new-post.tag
@@ -1,5 +1,5 @@
 <mk-new-post-page>
-	<mk-post-form ref="form"></mk-post-form>
+	<mk-post-form ref="form"/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/page/notifications.tag b/src/web/app/mobile/tags/page/notifications.tag
index 1351bb643..f90cd1628 100644
--- a/src/web/app/mobile/tags/page/notifications.tag
+++ b/src/web/app/mobile/tags/page/notifications.tag
@@ -1,6 +1,6 @@
 <mk-notifications-page>
 	<mk-ui ref="ui">
-		<mk-notifications ref="notifications"></mk-notifications>
+		<mk-notifications ref="notifications"/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/post.tag b/src/web/app/mobile/tags/page/post.tag
index be9c2ab0b..7ab4ea271 100644
--- a/src/web/app/mobile/tags/page/post.tag
+++ b/src/web/app/mobile/tags/page/post.tag
@@ -1,7 +1,7 @@
 <mk-post-page>
 	<mk-ui ref="ui">
 		<main>
-			<mk-post-detail ref="post" post={ parent.post }></mk-post-detail>
+			<mk-post-detail ref="post" post={ parent.post }/>
 		</main>
 	</mk-ui>
 	<style>
diff --git a/src/web/app/mobile/tags/page/search.tag b/src/web/app/mobile/tags/page/search.tag
index 878318fbd..869d5c853 100644
--- a/src/web/app/mobile/tags/page/search.tag
+++ b/src/web/app/mobile/tags/page/search.tag
@@ -1,6 +1,6 @@
 <mk-search-page>
 	<mk-ui ref="ui">
-		<mk-search ref="search" query={ parent.opts.query }></mk-search>
+		<mk-search ref="search" query={ parent.opts.query }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/settings/api.tag b/src/web/app/mobile/tags/page/settings/api.tag
index 5725bcb4c..cfffeacb5 100644
--- a/src/web/app/mobile/tags/page/settings/api.tag
+++ b/src/web/app/mobile/tags/page/settings/api.tag
@@ -1,6 +1,6 @@
 <mk-api-info-page>
 	<mk-ui ref="ui">
-		<mk-api-info></mk-api-info>
+		<mk-api-info/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/settings/authorized-apps.tag b/src/web/app/mobile/tags/page/settings/authorized-apps.tag
index 697f69de7..e962871ec 100644
--- a/src/web/app/mobile/tags/page/settings/authorized-apps.tag
+++ b/src/web/app/mobile/tags/page/settings/authorized-apps.tag
@@ -1,6 +1,6 @@
 <mk-authorized-apps-page>
 	<mk-ui ref="ui">
-		<mk-authorized-apps></mk-authorized-apps>
+		<mk-authorized-apps/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/settings/signin.tag b/src/web/app/mobile/tags/page/settings/signin.tag
index f9334f818..2305ea9fb 100644
--- a/src/web/app/mobile/tags/page/settings/signin.tag
+++ b/src/web/app/mobile/tags/page/settings/signin.tag
@@ -1,6 +1,6 @@
 <mk-signin-history-page>
 	<mk-ui ref="ui">
-		<mk-signin-history></mk-signin-history>
+		<mk-signin-history/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/settings/twitter.tag b/src/web/app/mobile/tags/page/settings/twitter.tag
index 5f3418f79..f4e9f7628 100644
--- a/src/web/app/mobile/tags/page/settings/twitter.tag
+++ b/src/web/app/mobile/tags/page/settings/twitter.tag
@@ -1,6 +1,6 @@
 <mk-twitter-setting-page>
 	<mk-ui ref="ui">
-		<mk-twitter-setting></mk-twitter-setting>
+		<mk-twitter-setting/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/user-followers.tag b/src/web/app/mobile/tags/page/user-followers.tag
index b83cf9fd0..f6fcffebe 100644
--- a/src/web/app/mobile/tags/page/user-followers.tag
+++ b/src/web/app/mobile/tags/page/user-followers.tag
@@ -1,6 +1,6 @@
 <mk-user-followers-page>
 	<mk-ui ref="ui">
-		<mk-user-followers ref="list" if={ !parent.fetching } user={ parent.user }></mk-user-followers>
+		<mk-user-followers ref="list" if={ !parent.fetching } user={ parent.user }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/user-following.tag b/src/web/app/mobile/tags/page/user-following.tag
index 482e94317..4b289b6aa 100644
--- a/src/web/app/mobile/tags/page/user-following.tag
+++ b/src/web/app/mobile/tags/page/user-following.tag
@@ -1,6 +1,6 @@
 <mk-user-following-page>
 	<mk-ui ref="ui">
-		<mk-user-following ref="list" if={ !parent.fetching } user={ parent.user }></mk-user-following>
+		<mk-user-following ref="list" if={ !parent.fetching } user={ parent.user }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/page/user.tag b/src/web/app/mobile/tags/page/user.tag
index 3826beecf..05ccef311 100644
--- a/src/web/app/mobile/tags/page/user.tag
+++ b/src/web/app/mobile/tags/page/user.tag
@@ -1,6 +1,6 @@
 <mk-user-page>
 	<mk-ui ref="ui">
-		<mk-user ref="user" user={ parent.user } page={ parent.opts.page }></mk-user>
+		<mk-user ref="user" user={ parent.user } page={ parent.opts.page }/>
 	</mk-ui>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/post-detail.tag b/src/web/app/mobile/tags/post-detail.tag
index 0fe30178d..9d62a2b59 100644
--- a/src/web/app/mobile/tags/post-detail.tag
+++ b/src/web/app/mobile/tags/post-detail.tag
@@ -1,6 +1,6 @@
 <mk-post-detail>
 	<div class="fetching" if={ fetching }>
-		<mk-ellipsis-icon></mk-ellipsis-icon>
+		<mk-ellipsis-icon/>
 	</div>
 	<div class="main" if={ !fetching }>
 		<button class="read-more" if={ p.reply_to && p.reply_to.reply_to_id && context == null } onclick={ loadContext } disabled={ loadingContext }>
@@ -9,11 +9,11 @@
 		</button>
 		<div class="context">
 			<virtual each={ post in context }>
-				<mk-post-preview post={ post }></mk-post-preview>
+				<mk-post-preview post={ post }/>
 			</virtual>
 		</div>
 		<div class="reply-to" if={ p.reply_to }>
-			<mk-post-preview post={ p.reply_to }></mk-post-preview>
+			<mk-post-preview post={ p.reply_to }/>
 		</div>
 		<div class="repost" if={ isRepost }>
 			<p>
@@ -40,13 +40,13 @@
 				<div class="media" if={ p.media }>
 					<virtual each={ file in p.media }><img src={ file.url + '?thumbnail&size=512' } alt={ file.name } title={ file.name }/></virtual>
 				</div>
-				<mk-poll if={ p.poll } post={ p }></mk-poll>
+				<mk-poll if={ p.poll } post={ p }/>
 			</div>
 			<a class="time" href={ url }>
-				<mk-time time={ p.created_at } mode="detail"></mk-time>
+				<mk-time time={ p.created_at } mode="detail"/>
 			</a>
 			<footer>
-				<mk-reactions-viewer post={ p }></mk-reactions-viewer>
+				<mk-reactions-viewer post={ p }/>
 				<button onclick={ reply } title="%i18n:mobile.tags.mk-post-detail.reply%"><i class="fa fa-reply"></i>
 					<p class="count" if={ p.replies_count > 0 }>{ p.replies_count }</p>
 				</button>
@@ -61,7 +61,7 @@
 		</article>
 		<div class="replies">
 			<virtual each={ post in replies }>
-				<mk-post-preview post={ post }></mk-post-preview>
+				<mk-post-preview post={ post }/>
 			</virtual>
 		</div>
 	</div>
diff --git a/src/web/app/mobile/tags/post-form.tag b/src/web/app/mobile/tags/post-form.tag
index 9bce226bf..239473703 100644
--- a/src/web/app/mobile/tags/post-form.tag
+++ b/src/web/app/mobile/tags/post-form.tag
@@ -9,7 +9,7 @@
 		</div>
 	</header>
 	<div class="form">
-		<mk-post-preview if={ opts.reply } post={ opts.reply }></mk-post-preview>
+		<mk-post-preview if={ opts.reply } post={ opts.reply }/>
 		<textarea ref="text" disabled={ wait } oninput={ update } onkeydown={ onkeydown } onpaste={ onpaste } placeholder={ opts.reply ? '%i18n:mobile.tags.mk-post-form.reply-placeholder%' : '%i18n:mobile.tags.mk-post-form.post-placeholder%' }></textarea>
 		<div class="attaches" if={ files.length != 0 }>
 			<ul class="files" ref="attaches">
@@ -19,8 +19,8 @@
 				<li class="add" if={ files.length < 4 } title="%i18n:mobile.tags.mk-post-form.attach-media-from-local%" onclick={ selectFile }><i class="fa fa-plus"></i></li>
 			</ul>
 		</div>
-		<mk-poll-editor if={ poll } ref="poll" ondestroy={ onPollDestroyed }></mk-poll-editor>
-		<mk-uploader ref="uploader"></mk-uploader>
+		<mk-poll-editor if={ poll } ref="poll" ondestroy={ onPollDestroyed }/>
+		<mk-uploader ref="uploader"/>
 		<button ref="upload" onclick={ selectFile }><i class="fa fa-upload"></i></button>
 		<button ref="drive" onclick={ selectFileFromDrive }><i class="fa fa-cloud"></i></button>
 		<button class="cat" onclick={ cat }><i class="fa fa-smile-o"></i></button>
diff --git a/src/web/app/mobile/tags/post-preview.tag b/src/web/app/mobile/tags/post-preview.tag
index cb3f7fd61..aaf846703 100644
--- a/src/web/app/mobile/tags/post-preview.tag
+++ b/src/web/app/mobile/tags/post-preview.tag
@@ -8,11 +8,11 @@
 				<a class="name" href={ '/' + post.user.username }>{ post.user.name }</a>
 				<span class="username">@{ post.user.username }</span>
 				<a class="time" href={ '/' + post.user.username + '/' + post.id }>
-					<mk-time time={ post.created_at }></mk-time>
+					<mk-time time={ post.created_at }/>
 				</a>
 			</header>
 			<div class="body">
-				<mk-sub-post-content class="text" post={ post }></mk-sub-post-content>
+				<mk-sub-post-content class="text" post={ post }/>
 			</div>
 		</div>
 	</article>
diff --git a/src/web/app/mobile/tags/search-posts.tag b/src/web/app/mobile/tags/search-posts.tag
index e17611fce..3e6caa1df 100644
--- a/src/web/app/mobile/tags/search-posts.tag
+++ b/src/web/app/mobile/tags/search-posts.tag
@@ -1,5 +1,5 @@
 <mk-search-posts>
-	<mk-timeline init={ init } more={ more } empty={ '%i18n:mobile.tags.mk-search-posts.empty%'.replace('{}', query) }></mk-timeline>
+	<mk-timeline init={ init } more={ more } empty={ '%i18n:mobile.tags.mk-search-posts.empty%'.replace('{}', query) }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/search.tag b/src/web/app/mobile/tags/search.tag
index 831e5a3e3..2d299e0a7 100644
--- a/src/web/app/mobile/tags/search.tag
+++ b/src/web/app/mobile/tags/search.tag
@@ -1,5 +1,5 @@
 <mk-search>
-	<mk-search-posts ref="posts" query={ query }></mk-search-posts>
+	<mk-search-posts ref="posts" query={ query }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/sub-post-content.tag b/src/web/app/mobile/tags/sub-post-content.tag
index e657a8d73..97e0ecec0 100644
--- a/src/web/app/mobile/tags/sub-post-content.tag
+++ b/src/web/app/mobile/tags/sub-post-content.tag
@@ -2,11 +2,11 @@
 	<div class="body"><a class="reply" if={ post.reply_to_id }><i class="fa fa-reply"></i></a><span ref="text"></span><a class="quote" if={ post.repost_id } href={ '/post:' + post.repost_id }>RP: ...</a></div>
 	<details if={ post.media }>
 		<summary>({ post.media.length }個のメディア)</summary>
-		<mk-images-viewer images={ post.media }></mk-images-viewer>
+		<mk-images-viewer images={ post.media }/>
 	</details>
 	<details if={ post.poll }>
 		<summary>%i18n:mobile.tags.mk-sub-post-content.poll%</summary>
-		<mk-poll post={ post }></mk-poll>
+		<mk-poll post={ post }/>
 	</details>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/timeline-post-sub.tag b/src/web/app/mobile/tags/timeline-post-sub.tag
index 5a944db73..3fff552e8 100644
--- a/src/web/app/mobile/tags/timeline-post-sub.tag
+++ b/src/web/app/mobile/tags/timeline-post-sub.tag
@@ -2,9 +2,9 @@
 	<article><a class="avatar-anchor" href={ '/' + post.user.username }><img class="avatar" src={ post.user.avatar_url + '?thumbnail&size=96' } alt="avatar"/></a>
 		<div class="main">
 			<header><a class="name" href={ '/' + post.user.username }>{ post.user.name }</a><span class="username">@{ post.user.username }</span><a class="created-at" href={ '/' + post.user.username + '/' + post.id }>
-					<mk-time time={ post.created_at }></mk-time></a></header>
+					<mk-time time={ post.created_at }/></a></header>
 			<div class="body">
-				<mk-sub-post-content class="text" post={ post }></mk-sub-post-content>
+				<mk-sub-post-content class="text" post={ post }/>
 			</div>
 		</div>
 	</article>
diff --git a/src/web/app/mobile/tags/timeline-post.tag b/src/web/app/mobile/tags/timeline-post.tag
index 3b10b725f..2395e9fb7 100644
--- a/src/web/app/mobile/tags/timeline-post.tag
+++ b/src/web/app/mobile/tags/timeline-post.tag
@@ -1,6 +1,6 @@
 <mk-timeline-post class={ repost: isRepost }>
 	<div class="reply-to" if={ p.reply_to }>
-		<mk-timeline-post-sub post={ p.reply_to }></mk-timeline-post-sub>
+		<mk-timeline-post-sub post={ p.reply_to }/>
 	</div>
 	<div class="repost" if={ isRepost }>
 		<p>
@@ -9,7 +9,7 @@
 			</a>
 			<i class="fa fa-retweet"></i>{'%i18n:mobile.tags.mk-timeline-post.reposted-by%'.substr(0, '%i18n:mobile.tags.mk-timeline-post.reposted-by%'.indexOf('{'))}<a class="name" href={ '/' + post.user.username }>{ post.user.name }</a>{'%i18n:mobile.tags.mk-timeline-post.reposted-by%'.substr('%i18n:mobile.tags.mk-timeline-post.reposted-by%'.indexOf('}') + 1)}
 		</p>
-		<mk-time time={ post.created_at }></mk-time>
+		<mk-time time={ post.created_at }/>
 	</div>
 	<article>
 		<a class="avatar-anchor" href={ '/' + p.user.username }>
@@ -21,7 +21,7 @@
 				<span class="is-bot" if={ p.user.is_bot }>bot</span>
 				<span class="username">@{ p.user.username }</span>
 				<a class="created-at" href={ url }>
-					<mk-time time={ p.created_at }></mk-time>
+					<mk-time time={ p.created_at }/>
 				</a>
 			</header>
 			<div class="body">
@@ -33,16 +33,16 @@
 					<a class="quote" if={ p.repost != null }>RP:</a>
 				</div>
 				<div class="media" if={ p.media }>
-					<mk-images-viewer images={ p.media }></mk-images-viewer>
+					<mk-images-viewer images={ p.media }/>
 				</div>
-				<mk-poll if={ p.poll } post={ p } ref="pollViewer"></mk-poll>
+				<mk-poll if={ p.poll } post={ p } ref="pollViewer"/>
 				<span class="app" if={ p.app }>via <b>{ p.app.name }</b></span>
 				<div class="repost" if={ p.repost }><i class="fa fa-quote-right fa-flip-horizontal"></i>
-					<mk-post-preview class="repost" post={ p.repost }></mk-post-preview>
+					<mk-post-preview class="repost" post={ p.repost }/>
 				</div>
 			</div>
 			<footer>
-				<mk-reactions-viewer post={ p } ref="reactionsViewer"></mk-reactions-viewer>
+				<mk-reactions-viewer post={ p } ref="reactionsViewer"/>
 				<button onclick={ reply }><i class="fa fa-reply"></i>
 					<p class="count" if={ p.replies_count > 0 }>{ p.replies_count }</p>
 				</button>
diff --git a/src/web/app/mobile/tags/timeline.tag b/src/web/app/mobile/tags/timeline.tag
index 5eaea863d..11f4e0740 100644
--- a/src/web/app/mobile/tags/timeline.tag
+++ b/src/web/app/mobile/tags/timeline.tag
@@ -6,7 +6,7 @@
 		<i class="fa fa-comments-o"></i>{ opts.empty || '%i18n:mobile.tags.mk-timeline.empty%' }
 	</div>
 	<virtual each={ post, i in posts }>
-		<mk-timeline-post post={ post }></mk-timeline-post>
+		<mk-timeline-post post={ post }/>
 		<p class="date" if={ i != posts.length - 1 && post._date != posts[i + 1]._date }>
 			<span><i class="fa fa-angle-up"></i>{ post._datetext }</span>
 			<span><i class="fa fa-angle-down"></i>{ posts[i + 1]._datetext }</span>
diff --git a/src/web/app/mobile/tags/ui-header.tag b/src/web/app/mobile/tags/ui-header.tag
index c3de5488c..264fa022d 100644
--- a/src/web/app/mobile/tags/ui-header.tag
+++ b/src/web/app/mobile/tags/ui-header.tag
@@ -1,5 +1,5 @@
 <mk-ui-header>
-	<mk-special-message></mk-special-message>
+	<mk-special-message/>
 	<div class="main">
 		<div class="backdrop"></div>
 		<div class="content">
diff --git a/src/web/app/mobile/tags/ui.tag b/src/web/app/mobile/tags/ui.tag
index b047af264..b2f738dc2 100644
--- a/src/web/app/mobile/tags/ui.tag
+++ b/src/web/app/mobile/tags/ui.tag
@@ -1,10 +1,10 @@
 <mk-ui>
-	<mk-ui-header></mk-ui-header>
-	<mk-ui-nav ref="nav"></mk-ui-nav>
+	<mk-ui-header/>
+	<mk-ui-nav ref="nav"/>
 	<div class="content">
 		<yield />
 	</div>
-	<mk-stream-indicator></mk-stream-indicator>
+	<mk-stream-indicator/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/user-followers.tag b/src/web/app/mobile/tags/user-followers.tag
index 9002b5b22..b710e376c 100644
--- a/src/web/app/mobile/tags/user-followers.tag
+++ b/src/web/app/mobile/tags/user-followers.tag
@@ -1,5 +1,5 @@
 <mk-user-followers>
-	<mk-users-list ref="list" fetch={ fetch } count={ user.followers_count } you-know-count={ user.followers_you_know_count } no-users={ '%i18n:mobile.tags.mk-user-followers.no-users%' }></mk-users-list>
+	<mk-users-list ref="list" fetch={ fetch } count={ user.followers_count } you-know-count={ user.followers_you_know_count } no-users={ '%i18n:mobile.tags.mk-user-followers.no-users%' }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/user-following.tag b/src/web/app/mobile/tags/user-following.tag
index c4ca831ca..62ca09181 100644
--- a/src/web/app/mobile/tags/user-following.tag
+++ b/src/web/app/mobile/tags/user-following.tag
@@ -1,5 +1,5 @@
 <mk-user-following>
-	<mk-users-list ref="list" fetch={ fetch } count={ user.following_count } you-know-count={ user.following_you_know_count } no-users={ '%i18n:mobile.tags.mk-user-following.no-users%' }></mk-users-list>
+	<mk-users-list ref="list" fetch={ fetch } count={ user.following_count } you-know-count={ user.following_you_know_count } no-users={ '%i18n:mobile.tags.mk-user-following.no-users%' }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/user-timeline.tag b/src/web/app/mobile/tags/user-timeline.tag
index beaae8023..f7b2b36da 100644
--- a/src/web/app/mobile/tags/user-timeline.tag
+++ b/src/web/app/mobile/tags/user-timeline.tag
@@ -1,5 +1,5 @@
 <mk-user-timeline>
-	<mk-timeline ref="timeline" init={ init } more={ more } empty={ withMedia ? '%i18n:mobile.tags.mk-user-timeline.no-posts-with-media%' : '%i18n:mobile.tags.mk-user-timeline.no-posts%' }></mk-timeline>
+	<mk-timeline ref="timeline" init={ init } more={ more } empty={ withMedia ? '%i18n:mobile.tags.mk-user-timeline.no-posts-with-media%' : '%i18n:mobile.tags.mk-user-timeline.no-posts%' }/>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/mobile/tags/user.tag b/src/web/app/mobile/tags/user.tag
index b91935aa6..9f36e6074 100644
--- a/src/web/app/mobile/tags/user.tag
+++ b/src/web/app/mobile/tags/user.tag
@@ -7,7 +7,7 @@
 					<a class="avatar">
 						<img src={ user.avatar_url + '?thumbnail&size=160' } alt="avatar"/>
 					</a>
-					<mk-follow-button if={ SIGNIN && I.id != user.id } user={ user }></mk-follow-button>
+					<mk-follow-button if={ SIGNIN && I.id != user.id } user={ user }/>
 				</div>
 				<div class="title">
 					<h1>{ user.name }</h1>
@@ -37,7 +37,7 @@
 						<i>%i18n:mobile.tags.mk-user.followers%</i>
 					</a>
 				</div>
-				<mk-activity-table user={ user }></mk-activity-table>
+				<mk-activity-table user={ user }/>
 			</div>
 			<nav>
 				<a data-is-active={ page == 'posts' } onclick={ go.bind(null, 'posts') }>%i18n:mobile.tags.mk-user.posts%</a>
@@ -45,8 +45,8 @@
 			</nav>
 		</header>
 		<div class="body">
-			<mk-user-timeline if={ page == 'posts' } user={ user }></mk-user-timeline>
-			<mk-user-timeline if={ page == 'media' } user={ user } with-media={ true }></mk-user-timeline>
+			<mk-user-timeline if={ page == 'posts' } user={ user }/>
+			<mk-user-timeline if={ page == 'media' } user={ user } with-media={ true }/>
 		</div>
 	</div>
 	<style>
diff --git a/src/web/app/mobile/tags/users-list.tag b/src/web/app/mobile/tags/users-list.tag
index 75487bbbe..fb70f184d 100644
--- a/src/web/app/mobile/tags/users-list.tag
+++ b/src/web/app/mobile/tags/users-list.tag
@@ -4,7 +4,7 @@
 		<span if={ SIGNIN && opts.youKnowCount } data-is-active={ mode == 'iknow' } onclick={ setMode.bind(this, 'iknow') }>%i18n:mobile.tags.mk-users-list.known%<span>{ opts.youKnowCount }</span></span>
 	</nav>
 	<div class="users" if={ !fetching && users.length != 0 }>
-		<mk-user-preview each={ users } user={ this }></mk-user-preview>
+		<mk-user-preview each={ users } user={ this }/>
 	</div>
 	<button class="more" if={ !fetching && next != null } onclick={ more } disabled={ moreFetching }>
 		<span if={ !moreFetching }>%i18n:mobile.tags.mk-users-list.load-more%</span>