Link expansion usa algum padrão?

[ryantm (Ryan Mulligan)]

Links from website like eBay expand into something more. For example:

http://www.ebay.com/itm/Architectural-forum-1951-small-houses-/191836488300?hash=item2caa58826c:g:BrYAAOSwe7BW02wW

Is there some link expansion standard to follow to get my website’s links to do that?

[codinghorror (Jeff Atwood)]

Look up opengraph and oembed.

Search for onebox in site settings.