How can you tell if a site uses GitHub Pages?

Hi there!
Is there any way to tell if a site is a GitHub Pages site if the site doesn’t mention it anywhere?

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It can be faked, but you can inspect the response headers. GitHub Pages sites should have a Server header with the value of GitHub.com and also have a X-GitHub-Request-Id header.

I hope that helps!

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OK, thank you for the tip!

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