Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

new tab page in firefox 15 & 16 , shows some of thumbnails and doesn't show some others , and i can't fix it be reloading pages . i also haven't delete cache.

  • 2 replies
  • 8 have this problem
  • 7 views
  • Last reply by alirezap

more options

at beginning my firefox works well with new page thumbnails feature , but once it start a problem to not to show thubnails of some of websites and show some others. for example facebook and twitter and some others can no be seen anymore. and i have to just click an empty area.

at beginning my firefox works well with new page thumbnails feature , but once it start a problem to not to show thubnails of some of websites and show some others. for example facebook and twitter and some others can no be seen anymore. and i have to just click an empty area.

All Replies (2)

more options

Pages that send a no-store or no-cache header aren't cached and thus Firefox does not generate a thumbnail.

  • Bug 756881 - New tab thumbnails not displayed (or old images displayed) for Facebook, Twitter (sites using Cache-Control no-store)

(please do not comment in bug reports)

more options

but it was working at beginning for facebook or persianhub.com and some others. but one day , it became like this. i think its a problem of this feature of firefox , because they also work properly in add ons which works like this