Update Youtube thumbnail posted on Facebook -


my problem facebook not update youtube thumbnail if use linter/debugger force update.

here step,

  1. i post video on youtube here, thumbnail1.
  2. i post link on facebook, seems correct, thumbnail1 posted
  3. i changed thumbnail thumbnail2.
  4. force facebook update using linter/debugger.
  5. post of link in (1) on facebook, thumbnail still old one.

i tried debug , seems facebook cached old image. tries force update image, @ url :

http://i.ytimg.com/vi/vgvblvvldwa/maxresdefault.jpg

and doesn't work... has clues ?

thank in advance.


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