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Why is YouTube so slow on Firefox.

Gina, Flippin Retired

YouTube is very slow with Firefox. But I have NO PERFORMANCE ISSUES with other browers like DUCK DUCK GO. My speed test shows my internet upload and download with my fiber optics is AWESOME. I have already cleared cache, and cookies. My programs and drivers are up-to-date and my Win11 is up-to-date. I expect better performance from Firefox on YouTube but if I can't get it, then I will DUMP Firefox for some other browser.

YouTube is very slow with Firefox. But I have NO PERFORMANCE ISSUES with other browers like DUCK DUCK GO. My speed test shows my internet upload and download with my fiber optics is AWESOME. I have already cleared cache, and cookies. My programs and drivers are up-to-date and my Win11 is up-to-date. I expect better performance from Firefox on YouTube but if I can't get it, then I will DUMP Firefox for some other browser.

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Since the question does not come with troubleshooter data, it's hard to tell whether an addon or antivirus software can be interfering.

Does anything change if you restart into Troubleshoot Mode (from Help menu)?

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