I’ve enabled “Delete cookies and site data when Firefox is closed” but while all cookies gets deleted, some random site data does not. Are my settings wrong, is this a bug, and what even is that data?

Additional Info: I use RFP, want to keep browsing history and site settings. Thank you very much.

  • HarriPotero@lemmy.world
    1·
    1 month ago

    Sounds like it’s localStorage. But I’d expect that to be covered by “site data” in that option.

    It’s a bit like cookies, but just for one site. Some think they can avoid cookie consent banners with localStorage.

    Firefox has a page on the topic.

    • tacticalsugar@lemmy.blahaj.zone
      01·
      1 month ago

      8 bytes is enough to store 18,446,744,073,709,551,616 (18 quintillion) different values, more than enough space for a fingerprint ID. The size of the data shouldn’t factor into the potential threat.

    • knightly [none/use any]@hexbear.netEnglish
      2·
      1 month ago

      Firefox stores cookies in a DB file called cookies.sqlite, i just cleared cookies on a fresh new Firefox profile and the file is 524.3kB. A text dump of the file has four lines of text that describe the structure of the cookie database and that’s it. No actual content.