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the preference "browser.contentblocking.category" does still work although it isn't existing in the about:config settings anymore(was removed as it seems) but how and why does it still work?

Hi,

Some websites still managed to smuggle in popups despite all the blockings. I use as add-ons: privacy badger, no-script, ublock origin and recently tried popup blocker (strict) and even have the 'block pop-up windows' enabled. I also tried to fiddle around in ´about:config´ but nothing helps. I think it's a recent occurrence as I don't remember having this problem, let's say, a couple of months ago.

The funny thing is that this problem doesn't occur in opera-browser (in which I hardly use extensions).

The websites that this occurs are: arabicpost.net (a pop-up will occur about 10 sec after right-clicking a new tab). focus.de (a video pop-up will occur if there's a video in it). Again opera-browser blocks all of this. I expect there will be other websites to add in the future.

Please help. S.O.S. -> g.o.i.n.g..i.n.s.a.n.e!

After the last couple of updates Firefox will not wrap words in view source screen(CTRL+U). This makes the info very difficult to read as most lines of code run off the screen. How do fix this? Thanks.

I have several emails set up on my desktop Thunderbird app (Yahoo, Gmail, Fastmail). For some reason all emails that I receive in Yahoo are also showing up in the Fastmail account. I do not have this set up at Yahoo (I have the standard account that does not allow automatic forwarding) so I believe it is happening in Thunderbird. How do I turn this off? Thanks.

How to do this for my paid newspaper subscriptions ask me to log in every week: they say "You can avoid doing that by saving your login information on your browser" (I'm on Imac)

When I want to go to the NY Times, and i type "nyt" the address bar automatically populated with the rest of the URL "nytimes.com". When I do the same thing with gmail and "gmail" it runs a search on a search engine instead of completing the rest of the URL.

Why would it do this for one website and not another? How do I fix this, I use gmail all the time so its a bit of a time waster.

Thank you in advance for your help!

Every time I right click and select "Open Link in New Tab" Firefox is not opening this new tab next to the current tab. It instead moves this new tap to the end of all the tabs (of the current website). This is an annoying behavior, I have to go all the way to the end of the tabs to look at the name page that I just opened. How do I fix this behavior?

How can I get rid of an automatic fill of websites visited. When I go to the address bar and type in an address, I want to get rid of a website as I have no interest in having that automatically show up on my address web sites. I am using the most up to date Firefox version on a Windows 10 Microsoft Surface Pro computer.

My emails are threading up, even ones that have nothing to do with each other. I've tried 'collapsing threads' in the 'view' menu, but it doesn't seem to help. With so much threading going on, I can't even find some of the new emails that I am alerted to.

Double page (side-by-side) viewing of PDF documents in Firefox (Windows), involves:

   go to View in the top menu, select Page Display, and choose “Two-Up”

How do you view such double pages in Firefox (Mac), since it seems not to have a "Page Display" facility?

Hi, I'm looking for some creative solutions to be able to search for Bookmark Folders imported from other browsers. I have over thirteen thousand bookmarks and I have used some extensions to delete the duplicates. However, that has left many empty folders and worse where my Bookmarks have been removed from these folders.

With Chromium browsers, we can simply search for a Bookmark folder by typing it's name. It will show itself in the search results along with Chrome bookmarks. However, that's not the case with FF. Instead, FF allows us to create TAGS. When I search for a known Bookmark Folder (I can see it in the Bookmark Tree) it won't show up.

it's almost 2024 and I find it surprising that Mozilla hasn't yet incorporated searching for Bookmark Folders. At the same time, I am also (not) surprised that Google hasn't implemented TAGS like in Firefox. Unfortunately, neither browser is ideal for searching bookmarks including folders.

Perhaps I'm missing something and there's a feature in the About:config that allows us to search for Bookmark folders.

i'm currently writing my own firefox user.js configuration and now i'm at the topic "unloading inactive tabs" like microsoft edge does.

so what are the preferences for this kind of topic?

i want inactive tabs which have not been used for more than 5 minutes to be unloaded.

chatgpt gave me this "browser.tabs.unloadAfterDelay" preference but this one doesn't even exist in the about:config preferenes, would it still work if it doesn't even exist?