Pro usar iste additivos, tu debera discargar Firefox.

Aperir session
Icone del additivo

Recensiones de Disable Youtube™ HTML5 Player

Disable Youtube™ HTML5 Player per Usator de Firefox 12460983

4,2 Stellas de 5
5
25
4
6
3
4
2
1
1
4
Recension de bronson.deliac
per bronson.deliac, 8 jierren lyn
as title says, add-on does not work; html5 player still plays