OpenURL Referrer is a browser extension that can take certain kinds of citations on the web and convert them to direct links to one of your local library's databases. This can be accomplished thanks to OpenURL
This add-on searches for YouTube videos. It uses Google Suggest API to retrieve search suggestions from user input, without the need to log in to YouTube.
Every modern web browser includes a powerful suite of developer tools. These tools do a range of things, from inspecting currently-loaded HTML, CSS and JavaScript to showing which assets the page has requested and how long they took to load. This article explains how to use the basic functions of your browser's devtools.