Pinned Tabs - keep favorite websites open and just a click away | Firefox Help
support.mozilla.org
Pinned Tabs (or App Tabs) allow you to keep your favorite web apps, like Facebook and Gmail, open and just a click away. This article explains how to use them.
  • @LFREnglish
    3•1 year ago

    In case you didn’t know, you can restore windows under History–>Recently closed windows.