How auto load image work when an status is post to social website?

Posted by huahsin68 on Pro Webmasters See other posts from Pro Webmasters or by huahsin68
Published on 2012-11-27T06:35:50Z Indexed on 2012/11/27 11:23 UTC
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web-development

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Wordpress

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facebook

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blogger

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linkedin

When posting a status update on social website like facebook.com and linkedin.com which contain an URL, it will automatically scan the images available on the particular website and put it at the front of the status update.

May I know how this could be done if I would like to do the same for my web app? Which web framework (JSF, Richfaces, JQuery, ...) should I use in such development? Beside that, is there any pre-build features available in blogger.com or wordpress.com?

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