Firefox

Configuration

• Last visited tab with Ctrl-Tab — Go to about:config, and set browser.ctrlTab.previews to true [1].

Keyboard shortcuts

• Keyboard shortcuts on mozilla.orgP

Alt-Shift

Access key. Eg. Alt-Shift-F to go to search box in MediaWiki

Extensions

Candidates

Extension I might install in the future:

• Extension to suspend tabs. ! Careful, this may lead to loss of work if you typed text in a form and the page gets suspended

• https://addons.mozilla.org/en-US/firefox/addon/suspend-tab/
• https://addons.mozilla.org/en-US/firefox/addon/dormancy/
• https://addons.mozilla.org/en-US/firefox/addon/unloadtab/
• https://addons.mozilla.org/en-us/firefox/addon/auto-unload-tab/