Is there a way to debug this?

alt text

UPDATE: it just started working.

  • Do you see the preview of other websites? I just tested it myself using the query in the screenshot above and it worked just fine for me.
    – Joshak
    Nov 11, 2010 at 19:42
  • I got a really nice preview of the pages on my "personal page", it looked great, with the images in the right place etc. I can't believe stackoverflow hasn't got that yet, since they must have about a million billion times more traffic than that site does.
    – delete
    Nov 12, 2010 at 0:26
  • It even runs the JavaScript on my page.
    – delete
    Nov 12, 2010 at 3:44
  • but then how long will it take for the on-the-fly process to be complete?
    – user13308
    Feb 13, 2012 at 13:25

1 Answer 1


It probably means that they haven't had a chance to make a preview image yet. I would guess that Googlebot and the image generator are separate processes and have different sets of priorities and queues. I wouldn't worry too much about it. Wait a week or two and if it's still the case, it might be worth posting a question on Google's forums.

  • 1
    Google creates previews from normal crawling as well as from on-the-fly accessing. If a preview is not cached, we'll try to create it on the fly. If that's not possible within a reasonable time, you'll see "Preview not available." As soon as the on-the-fly processing is complete, it'll show the normal preview. Nov 16, 2010 at 13:24

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