RingsWorld
Site Admin

Joined: 01 Jan 2006 Posts: 29
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Posted: Thu Jun 29, 2006 11:38 am Post subject:
Question: Why is the Site Preview Image missing?
Subject description: Missing Image, Blank Preview, Incomplete Rendering
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Question: Why is the Site Preview Image missing / blank or incomplete ?
Answer:
Site Preview Images are rendered by our in-house thumbnails generator. Our robot visits your site and takes a snap shot of your page to produce the Site Preview Image which is then displayed next to your site listing.
Here are reasons why this image can be missing / blank or incomplete :
Missing Image:
When you see the "No Image Yet" image, it means our robot has not yet visited your site.
When you submit your site to RingsWorld.com it is automatically scheduled to be visited by our robot. It can take several days before our robot visits your site so please be patient. If your site was unavailable when our robot tried to visit it, another visit will occur each following day.
Blank Image:
If you see a white / blank image it means our robot visited your site and had not been able to render it.
There can be several reasons for this :
- Time out: your page may have taken too much time to be served.
- Buggy header: if your web server returned a buggy page header, our robot may not be able to handle your page correctly.
- JavaScript Redirection: our rendering engine doesn't execute JavaScript code. So if your page is rendering to an other page, our robot won't be able to follow this redirection.
- Too many HTML errors: if there are too many HTML errors in your page, our rendering may not be able to interpret it.
Incomplete Image:
It can happen that the Site Preview Image diplays an incomplete page.
Here are the common reasons :
- Time out: if your page takes too long to download (page content and images) the resulting image will be incomplete.
- JavaScript: our rendering engine doesn't execute JavaScript. So if some parts of your pages are displayed by JavaScript it won't be visible in the Site Preview Image.
- Flash: we don't yet support Flash Animatons/Applets. Therefore if you have embedded Flash into your page, it will appear as a blank area. (nb: we will support Flash animation as soon as Macromedia/Adobe releases an open source Flash player for a 64bits Operating System).
- Java Applet: like for JavaScript, we are not executing Java Applets.
- Buggy HTML code: we may not be able to interpret correctly the HTML code of your page. Please note that we developed our own rendering engine, so it may be less tolerant than common Internet Browsers such as Internet Explorer, FireFox or Opera. So even if your page renders correctly under these browsers, it may still be "grammatically" incorrect. We greatly recommend that everyone check the page code using the W3C HTML Validator and the W3D CSS Validator
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