[Tampermonkey](https://www.tampermonkey.net/)
([Firefox extension](https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/),
[Chrome extension](https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo))
is recommended for loading these as it supports installing and updating userscripts from a remote
URL.