This is another update on my missing image investigations on softwarelode. What I’ve now realised is that all my PHP code for checking for missing images is OK when loading a specific page. The PHP runs, checks if an image is present then either shows or not the screenshot hyperlinks from the program details pages. This seems to run OK and I only present a screenshot page for a program on my site when there really is an image to show.
The further problem I’ve thought of though is that my sitemaps are automatically generated by PHP and when I generate the sitemap, I don’t run the missing image checks. This means I end up including screenshot URLs in the sitemap that don’t exist. I wonder whether this confuses the Google Webmaster tool and keeps the errors alive in Google’s diagnostic interface months after the URLs were removed from my site.
The conclusion I’m coming to now is that the best I can do is check the screenshot URLs at the point of submission – or on a PAD poll – and update the info I store for the PAD to reflect whether there really is a screenshot. I could then remove the checks when a page is loaded and speed things up a bit.
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I’m not sure I understand, do you mean that your sitemaps still show bad / removed-flagged pad records?
I think your conclusions are the best approach, as long as you poll regularly. I think thats the big problem. Maybe we could cooperate on this show how? Not sure how.
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