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Old 08-31-07, 11:05 AM   #10
radekhulan
 
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Join Date: Apr 2005
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Default Re: Detecting Bad Links

Create a simple table with URL, query time and its status. When query time is older than (e.g.) one week, try to get URL headers via http://us.php.net/manual/en/function.get-headers.php PHP get_headers() function, and see if it exists, ie. return "HTTP/1.1 200 OK" (or is 301 Moved Permanently - in this case your can auto change the link, 404 page not found, etc.). No need to query each link one million times a day via JavaScript, that would be a very silly approach...
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