Firefox Support Forum

_05: chrome browser network panel after refreshing 5 times domContentLoaded: 328ms

_06: firefox browser network panel after refreshing 5 times domContentLoaded: 1880ms (5.73x slower)

the problem seems from that the request from firefox gets 200 wheras chrome gets 304 unmodified, which explains the huge speed difference in reloading.

Had to refresh Firefox but lost my bookmark sidebar & can't find a way to re-establish it. Used to be a setting for it at the top of the home page but none now. Can't find it in settings.

Hi guys! Currently I'm working on a project which renders video with webGL. The result works on all browsers as expected but not with Firefox vers 109 for Apple Silicon devices (m1, m2) - the video animation is just lagging,it takes cpu usage up to 160% and the video itself is stretched. Comparing to that Chrome takes 22%, Safari 14% of cpu usage. It's just regarding to this devices, it works fine on Microsoft so I think it's a browser bug regarding to osx verision. Could someone pls help me with that or have a look over?

I just had a glitch with the latest update to 102b, FF insisted I had an old version and would only let me make a new profile. So I had to set up multi-account containers again. I have specific sites opening up in each container, and I'd like to make a copy to make sure that if my profile gets goofed up somehow, I can always easily restore my setup with multiaccount containers just the way I like it.

What do I need to copy, so that with a new profile, all I need to do is copy over some files?

In my profile folder, I see an Extensions folder, as well as an extensions.json and extensions-settings.json.

Are those the only folders/files I'd need to restore multi-account containers on a new profile?

I have thought of using FF Sync, but I keep reading that it is not intended for copying, so much as sharing across different devices, which is not something I'm interested in. Should I just let sync copy my extensions, and then sign back in, in the event I want to restore addons to a new profile?

Hello, We are developing an extension which is built on manifest v3. Right now in the firefox MV3 is not available by default and user has to enable it manually. I wanted to understand the timeline for the MV3 release. So that we can decide to support MV2 or not in our extension

Hi!

I like to have my browsing history cleared after I quit Firefox, but I found out that this will break the action to open previous windows and tabs.

How to have these two options live together?

Hello! Short story: I recently discovered that adding a new GIF image to a page resets the animations of existing GIF images on the page with the same src.

Expected behavior: Adding a new GIF image to the page should not reset the animation of existing images with same src.

Actual result: Adding a new GIF image to the page resets the animation of all existing GIF images on the page with same src.

Code with example: https://codesandbox.io/s/heuristic-platform-jsguir Video demo: https://www.youtube.com/watch?v=k-ZMrrqq_KI

Simplified version of the code showing unexpected behavior: https://codesandbox.io/s/elastic-shtern-vwrcx1

Does anyone know why this is happening? Is this a bug?

Browser: Firefox Developer Edition 102.0b4 (64-bit) OS: Windows 11

Using Firefox Developers edition since the update to 109.0b3 (64-bit). The scroll wheel doesn't work, the mouse button I have mapped to the back button no longer works. If I launch Firefox in troubleshooting mode everything goes back to normal and the mouse performs perfectly in troubleshooting mode. Back in normal mode I have tried disabling all three of my extensions and the problem persists. Mouse performs perfectly in every other application. Sounds like a bug, but I can't find anyway to report it. Any ideas? Thanks

When I have FF open, then close all windows but still have FF active, I hit CMD-T or CMD-N to bring up a new tab or window and nothing happens. I repeat, repeat, repeat and still nothing. THEN if I click on the FF icon in my dock, all the tabs and windows appear in a cascade of windows or tabs like bam, bam, bam.....

This happens on two MacBook Pros around 2016 vintage. This is a new behavior this week.

please take off the red add, the pop up total add sign that keeps popping up asking to paid for the add block I am 82 and on a fixed budget. I do not want this service. How do I get it off my computer. When I want to print an article from an e mail.I always have to remove it to save an e mail, or when I want to print an article, I read it later, and I see the total ad block on my printed article stuck on the printed page blocking out what I printed. Its very annoying to have to take it off the screen before I print anything. Please help me. George at [removed email from public]

before the update if i opened a new tab the it opened after my active tabs, now its reserved and its open before them (between my pinned and not pinned tabs) any solution to reserve this change?

https://streamable.com/u2sebd

Is there a way that I can recover my New Tab page setup (just the new tab page) from a Macrium Reflect backup of my OS disk? I recently did some cleanup that cratered my FireFox profile (developer and beta also). I would like to somehow recover just the New Tab page setup from the os backup. Any solution? Thanks for your help.

Used to be very practical with add-ons in the toolbar (cf 1st screen), but with the update they are not here anymore (cf 2nd screen). I don't want to click on the extension button for those addons I'm always using, I want to revert to having the buttons in my toolbar !!!!!!!!

PLEASE DO NOT COMMENT TO GO TO CUSTOMIZE TOOLBAR WITHOUT TESTING IT YOUSELF AND INCLUDING A SCREENSHOT !! This does not work, there are no buttons to drag and drop for the addons.

When I type my website in the bar, firefox puts www in front of it, which causes the warning page: firefox detected a potential security threat and did not continue to www.karinchappell.com. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details.

If I remove the www by backspacing it, the page loads correctly.

I've checked the website: "SSL is enabled on your site, and an SSL certificate was detected on your site."

When I've asked around the techies I know, I've been told this is an antiquated way of dealing with it. Please advise.

Hi all,

I have a site that I am working on for myself. Its a WordPress site using a commercial theme. The problem I have is that I am not showing as secure in the address bar when opened in Firefox. Its fine in other browsers but Firefox tells me that I have insecure content with the message " Parts of this page are not secure (such as images) " and shows the exclamation mark by the padlock in the address bar.

I have installed a plugin called SSL Insecure Content Fixer and tried various setting but without success. I have also checked my site with https://www.whynopadlock.com/ and passed with flying colours so at a bit of a loss now.

If anyone has any suggestions that would be great.

Many thanks, Chris

when I click the web address bar and the drop down opens up with commonly visited site a series buttons appear under it that I would love to delete from the face of the earth, as far as I can tell there doesn't appear to be any setting to turn them off and help topics are expectantly useless. For the love of god don't come and tell me you've added an idiot feature that I have no control over.

MacOS FF dev edition 102 When I roll my mouse over a link, in pops up the URL in the bottom left (i.e. status bar as safari calls it) but there's no indication of if the link will show in the current tab or a new tab. in safari, the end of the URL states "in new tab" if that's the case.