A content delivery network or content distribution network (CDN) is a system of computers containing copies of data placed at various nodes of a network.

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Should I add the CDN or the source URL of an image to the XML image sitemap?

I'm creating a WP plugin and I have the source URL for the image and the CDN URL to the image as well that is generated by replacing the host to the CDN host. Which is better, if I add the source URL ...
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Is there a limit of emails/pictures per Gravatar account?

I'm building a site to connect patients to doctors. Each doctor will have a profile picture. I'm quite happy to manually maintain the profile pictures as there won't be that many doctors nor will they ...
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CDN CNAMEs not resolving to customer origin

I have set up an Edgecast CDN to mirror all my static content. Because I use the root of my domain (donaldjenkins.com) to host my main site—using Google Analytics which sets cookies—I've stored the ...
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How to cache dynamic javascript/jquery/ajax/json content with Akamai

Trying to wrap my head around how things are cached on a CDN and it is new territory for me. In the document we received about sending in environment requests, it says "Dynamically-generated content ...