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YouTube will not load properly

  • 2 replies
  • 1 has this problem
  • 18 views
  • Last reply by Mandy

florsolitaire
florsolitaire

Hello,

I apologize if the topic is incorrect, but I didn't know which applied to my situation the best.

Starting on Monday of this week (4/28/2025), YouTube no longer loads properly on Firefox for me. The entire page is covered in video slots with no videos and if I try using a link to a specific video, it will take me to the page, however the video will not load or play, additionally any other elements such as comments or suggested videos will not load. I am using the latest version of Firefox Developer Edition.

I have tried all of the following:

  • disabling all of my add-ons
  • clearing cache, cookies, and history
  • uninstalling and reinstalling Firefox
  • logging in and out of YouTube
  • Reaching out to YouTube (they told me to just use Chrome)

I have asked my friend who also uses Firefox and YouTube works fine for him, so I'm not sure exactly what is making it not work.

Thank you for your time!

Hello, I apologize if the topic is incorrect, but I didn't know which applied to my situation the best. Starting on Monday of this week (4/28/2025), YouTube no longer loads properly on Firefox for me. The entire page is covered in video slots with no videos and if I try using a link to a specific video, it will take me to the page, however the video will not load or play, additionally any other elements such as comments or suggested videos will not load. I am using the latest version of Firefox Developer Edition. I have tried all of the following: * disabling all of my add-ons * clearing cache, cookies, and history * uninstalling and reinstalling Firefox * logging in and out of YouTube * Reaching out to YouTube (they told me to just use Chrome) I have asked my friend who also uses Firefox and YouTube works fine for him, so I'm not sure exactly what is making it not work. Thank you for your time!
Attached screenshots

All Replies (2)

Mandy
Mandy
  • Administrator
  • Moderator

Hi there! Mozilla is actively investigating if you want to follow along or add a comment here: https://bugzilla.mozilla.org/show_bug.cgi?id=1963511#c20

In the meantime, do you have Ublock Origin? If you try viewing in Private Browsing Mode, are you still running into the issue?

Helpful?

Mandy
Mandy
  • Administrator
  • Moderator

If anyone is still experiencing this issue, we believe the fastest way to get things working again is:

  • Ensure your uBlock Origin filters are up to date (see the uBlock Origin Documentation for how to do this.
  • Close all YouTube tabs
  • In the Firefox hamburger menu go to Settings, then Privacy and Security and click on the Manage Data button. In the resulting dialog, search for youtube.com, select the row for site youtube.com and click "Remove Selected"
  • Opening a new tab with youtube.com should now work.

If anyone follows these steps and still experiences the same symptoms, please let us know here.

Helpful?

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