Several housekeeping and SEO changes; see below.

- Brought version up to 1.0, in accordance with https://stackapps.com/a/8113/7653 (Although this script's SA post needs to be edited to match).
- Scope/SEO the title. 
- Don't run on inapplicable pages.
- Link to the SA listing page. See the effect in the Tampermonkey dashboard.
- Clear NA Tampermonkey warnings.

improved-tag-popup/improved-tag-popup.user.js

@@ -1,11 +1,10 @@
 // ==UserScript==
-// @name        Improved Tag Popup
+// @name        Stack Exchange, Improved Tag Popup
 // @namespace   https://github.com/Glorfindel83/
 // @description Adds a link to the tag information page (wiki + excerpt) to the tag popup
 // @author      Glorfindel
 // @updateURL   https://raw.githubusercontent.com/Glorfindel83/SE-Userscripts/master/improved-tag-popup/improved-tag-popup.user.js
 // @downloadURL https://raw.githubusercontent.com/Glorfindel83/SE-Userscripts/master/improved-tag-popup/improved-tag-popup.user.js
-// @version     0.2
 // @match       *://*.stackexchange.com/*
 // @match       *://*.stackoverflow.com/*
 // @match       *://*.superuser.com/*
@@ -13,9 +12,21 @@
 // @match       *://*.askubuntu.com/*
 // @match       *://*.stackapps.com/*
 // @match       *://*.mathoverflow.net/*
+// @exclude     *://api.stackexchange.com/*
+// @exclude     *://blog.*.com/*
+// @exclude     *://chat.*.com/*
+// @exclude     *://data.stackexchange.com/*
+// @exclude     *://elections.stackexchange.com/*
+// @exclude     *://openid.stackexchange.com/*
+// @exclude     *://stackexchange.com/*
 // @grant       none
 // @require     https://gist.github.com/raw/2625891/waitForKeyElements.js
+// @version     1.0
+// @history     1.0 Scope/SEO title. Don't run on inapplicable pages. Link SA listing page (See Tampermonkey dashboard). Clear NA TM warnings.
+// @history     0.2 Initial release
+// @homepage    https://stackapps.com/q/8054/7653
 // ==/UserScript==
+/* global $, waitForKeyElements */
 
 // from https://stackoverflow.com/a/21249710/4751173
 $.fn.ownText = function() {