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how to speed up the playback (by default) of all videos of any sites.

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  • Last reply by McCoy

how to speed up the playback (by default) of all videos of any sites.

how to speed up the playback (by default) of all videos of any sites.

All Replies (1)

Duplicate question.

Please, continue here :

https://support.mozilla.org/en-US/questions/1242949