youtube html5 video tag

[JJoe]

There are a lot of possibilities (add the Proxomitron, browser quirks, etc) and exactly why can be difficult to discover and explain but for me...

I have Opera set to delete all that it allows at exit. The Proxomitron makes all my youtube cookies session only, anyway. So, all cookies, cache, and DOM storage should be lost when I close Opera.

Before enrolling I played some flash videos and had a cookie PREF=gl=US&hl=en&vq=2 .
After enrolling that cookie was PREF=vq=2&f2=40000000&gl=US&hl=en .
I think the &f2=40000000 part has something to do with HTML5 because removing it unenrolls me. (Don't reload the page after deleting cookies. Opera may regenerate the old cookies.)
However, the cookie value is not necessary. An HTML5 url (or perhaps fate or misfortune) may do.

Opera does have DOM storage but just removing the cookie value unenrolls me. I haven't looked to see what is stored.

As for cookies, privacy, and fun, there are ways to block|fake cookies but youtube will still have the IP that requested the video and some cookies may be required. Adding

Code:

[^/]++youtube.com/ $SET(0=b_cookie.) $SET(sCookieB=.watched_video_id_list.)

to Exceptions-U with sidki's set using level 3,4, or 5 may remove the 'list' cookie.


BTW, for people having HTML5 problems at youtube, I can see that sidki's optional Header filter "!-|||||||||||| URL: Block Ad URLs" may block the videos.

Have fun.