The article "Thumbnails on the new tab page are missing" didn't work for me. 6 of 9 do not load. In Safari, those sites do in "Show Top Site." Anyone know why
My homepage "www.Dogpile.com" is the only site that consistently loads the thumbnail view. A couple other sites now load after performing the article that addressed this issue but several others still will not after trying all sorts of things (like turning off Little Snitch). Examples of thumbnails not loading include: www.iCloud.com which has very little to load and populates in Safari's "Show Top Sites" just fine. In fact, all these thumbnails do. Another thumbnail that won't load, though admittedly a more complex webpage, is Bing Maps. Again, the thumbnail loads just fine in Safari but I love using Firefox and would like to resolve this annoying little glitch. I have 8 GB of RAM and my iMac zips along just fine in every other respect. I'm running OSX 10.8 and Firefox 19.0.2
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That is weird. I can't figure out why Bing Maps won't hold a thumbnail but I do know why iCloud.com can't. It's because Firefox doesn't save thumbnails for sites that have https:// addresses. HTTPS is used by sites for security reasons. And last year there was a issue w/ Firefox saving thumbnails of HTTPS web pages, that when these thumbnails were enlarged or zoomed in, you could see privacy sensitive details like banking info, etc. This was b/c Firefox took random thumbnail screenshots anytime during the https:// site visits instead of just saving a thumbnail of only the very 1st visit to the https:// page and then taking no more thumbnails for that site.
But my idea above maybe not be fool-proof either. B/c if you have already saved your password and username for the https:// site to auto-login, then the very 1st page for the https:// site could contain sensitive personal info and get included in the thumbnail.
So I believe they are working on a solution to fix this problem.
Could you list the other 6 of the 9 sites you mentioned don't save thumbnails so someone else can test them?
由NoahSUMO于修改
Pages that are send with Cache-Control: no-cache, no-store also do not get a thumbnail.
- bug 754608 - [New Tab Page] shows thumbnails from pages with "Cache-Control: no-store", and HTTPS pages when HTTPS disk caching is disabled
(please do not comment in bug reports: https://bugzilla.mozilla.org/page.cgi?id=etiquette.html)
In response to your question, the 9 sites I'm loading are: Bing.com/maps DogPile.com (works) Linkedin.com VFW.org (works, thumbnail sometimes lost but easily restored) iCloud.com (https site) Keurig.com RetailMeNot.com (thumbnail now works after following original procedure) CurrentCodes.com KeyCode.com (thumbnail now loads after following original procedure)