Pretty cool. I notice site with Bootstrap seems to work. Sites like Google or Ya... | Hacker News

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ww520 on March 8, 2012 | parent | context | favorite | on: Responsive.is

Pretty cool. I notice site with Bootstrap seems to work. Sites like Google or Yahoo doesn't work.

conroy on March 8, 2012 | [–]

Google and Facebook don't work because they utilize the X-Frame-Options[1] response header to prevent their content from being served in iframes.

[1]: https://developer.mozilla.org/en/The_X-FRAME-OPTIONS_respons...

parmgrewal on March 8, 2012 | [–]

I think they use User-agent detection.

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