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Hey,

so, for many years I use firefox with hundreds of tabs, to keep that loading smoothly, I have the Profile folder on a RAM disk, which size is limited. Originally I started with 512MB which seemed plenty, but got bloated eventually, so I increased it to 700MB, then 800MB thinking it should be fine, cause "my personal data" isn't that much.

In the beginning i had to manually clear my own Website Data every couple months, deleting everything older than a year.

Currently I have to delete my personal Data every 10 days and only keep the last 2-3 months, to not run out of space... I also started to not visit heavy Websites with firefox, but with another browser that doesn't run of a Ramdisk, but despite all my efforts I need some other solution.

It feels like some files just keep growing over time without getting rid of old data, and storing new technical files, that i don't want in my profile folder... At this point, getting some extra 50-100MB that doesn't come from deleting my current data would be great... A way, to cleanup any unused data... I tried everything I could find, but I'm kinda stuck. Keeping all my Profile settings, customisations and still used personal Data is really important to me.

Recently transferred from Chrome. My understanding was Firefox private browsing was supposed to work similarly to chrome incognito mode; once you close the browser, all local files are deleted and cookies are cleared.

However, with Firefox it maintains my logins. If I log into an account while private browsing and the close the browser, I’ll still be logged in next time I go to the website even if it’s days later (and I have never logged into this account in a non-private browsing window!)

I never had this issue using chrome incognito, so it seems to be a Firefox problem.

Is this just not something Firefox supports? Is there any way to prevent storage of cookies and private data?

I would like to inspect the data that would be removed if I checked the "Settings for Clearing History > Data: Site settings"

From earlier experimentation, I observed that checking that box removes some persistence data that the ChatGPT web site uses, for instance. I also observed that it removes "Exceptions - Cookies and Site Data" that I have entered (not sure why, because it's data I typed, not data that the web sites are saving on my machine).

But the question is what steps are performed on what tables in the current user's profile folder. If not all contents are removed from a folder, please specify what the deletion criteria are.