how does facebook/digg get all of the iamges for a webpage?

Posted by tomwu on Stack Overflow See other posts from Stack Overflow or by tomwu
Published on 2010-05-29T17:09:36Z Indexed on 2010/05/29 17:22 UTC
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php

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JavaScript

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facebook

DO they use a php page to analyze the link, and return all of the images as josn? Is there a way to do this with just javascript, so you dont have to go to the server to analyze the page?

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