New simple technique to detect Chrome headless. Feel free to challenge it : arh.antoinevastel.com/bots/areyouhea
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Good job for the solution. Actually, I thought it would have required to use a proxy.
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Spdy protocol also lower all headers, which is why I had to move my page to another subdomain so that it doesn't go through cloudflare.
serverfault.com/questions/4715
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