Greasy Fork is available in English.
Accélérez, ralentissez, avancez, rembobinez, bouclez n'importe quelle vidéo HTML5 sur n'importe quel site avec des raccourcis rapides!
< Commentaires sur Video Shortcuts
The script always works. I use it myself every day :)
Regarding the default speed, if it’s still relevant to you, write here, I’ll think about what can I do.
Not working.
But would be great if it would save the default speed-setting, for me would be 2x :-)