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Youtube does not work. It shows somekind of default page that is essentially blank. It does say: "Try searching to get started" and "Start watching videos to help us build a feed of videos you'll love."

But it will not respond when I attempt to search anything.

this site is down why this ? https://www.canada.ca/en/immigration-refugees-citizenship/services/visit-canada.html

Cannot replay a football video on my subscription to NFL Enterprises for a game that already went final today. I cannot view either the full game or the condensed version of the video. The REPLAY selection is not working so I can view the video. This feature has worked prior to today's NFL broadcasting. Help me!!!!!

I recently noticed a scenario where a web tool loads updated data (via JavaScript and backend API), but the browser (and proxy cache) still serves outdated content when viewed on a different device. Clearing the browser cache fixes it, but that’s not a scalable solution for users.

I’m curious: does Firefox’s caching behavior differ for pages that use heavy client-side updates (e.g., incremental score calculators) compared to standard static pages? Should we be explicitly sending cache-control headers like no-store or must-revalidate to prevent stale data?

Any documented guidance on how Firefox handles cache revalidation for dynamic web-apps would be helpful.

Thanks in advance for any pointers.

Hello Mozilla Support Team,

I am writing to report a problem with the Mozilla Firefox browser. After the latest update, the browser appears to no longer decompress content that is compressed using the zstd (Zstandard) algorithm.

Previously, I could view web pages or resources compressed with zstd without issue, but now they fail to display correctly (or give errors). I have tested this on multiple websites and different systems, which suggests the change is not specific to one site or machine.

Could you please clarify the following:

Has support for zstd‐compressed content been removed or disabled in the recent Firefox version?

If so, are there plans to restore this support in a future release?

Is there a workaround or configuration setting that allows enabling zstd decompression in the meantime?

Thank you for your attention to this matter. I appreciate your help in ensuring this functionality is restored or clarified.

Best regards, Oleh Boiko Windiws 10, FF 144.0.2

I am unable to navigate around some websites beyond the page on which I have landed. The site briefly (split second) looks OK and then gets slightly greyed and no other links on the site are accessible. Examples of sites: https://www.signia.net/en-gb/ https://www.flickr.com/

Anyone got any ideas?

If you look at the attached image you'll see the review and check out button floating over the page background. This button is supposed to be locked to the bottom of the page but instead floats higher than the bottom of the page, but still locked.

This affects any web page with an app like navigation bar that is supposed to be on the bottom of the screen.

I cannot find any options in gui settings for Firefox to change this behavior. Disabling extensions or trying the page in a private tab end with the same result.

some site's pages are cut off leaving 1 side of the screen unviewable. it doesn't matter if you're in portrait or horizontal either, & it happens in desktop mode & mobile view. i can't find any work around this & it's just so frustrating! there's also "nothing" at all in the help topics! has anyone had this issue? thanx so much for any help!

a long time FF user...

Hello. I can't access the Western Union website through Modzyl. The site opens on Edge. I disabled all add-ons, the browser tries to open the site and reloads the request constantly. How to solve this problem?

I can not open this web https://icl-apa.moodlecloud.com/mod/quiz/view.php?id=15912