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Was also curious about this step. I assume they're not going to reveal the nitty gritty details for fear of botters coding around it, but I am curious as to how

Was also curious about this step. I assume they're not going to reveal the nitty gritty details for fear of botters coding around it, but I am curious as to how you can "make them use more CPU" while crawling a website

nielsbot 7y ago
Maybe it's JavaScript?
jsnell 7y ago
Serve the suspected bots a page with Javascript that computes a proof of work, submits it, and gets the real page in return. Steamspy.com seems to trigger one of these basically every time when loaded with a fresh cookie.