At a guess: HEAD requests give one URL, GET requests give another? | Hacker News

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rmccue on July 6, 2011 | parent | context | favorite | on: Show HN: Two-faced URLs

At a guess: HEAD requests give one URL, GET requests give another?

MattBearman on July 6, 2011 [–]

I think it knows the user agent of specific bots and serves different pages based on that, as social networks tend to do a full GET request in order to grab a screenshot.

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