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In the context of the question, that is not relevant. reCAPTCHA requires JavaScript as well. The question is about an alternative to reCAPTCHA. Both methods use JavaScript.

I do understand where you are coming from though. And I also think this alternative is better in this regard. reCAPTCHA loads JavaScript from a third-party domain. With JavaScript spamfilters you are loading them from the first-party domain.




reCaptcha has a noscript alternative with iframes and checkboxes. Once completed you have to manually copy an authorisation string to a field and submit it.


I don't think the noscript alternative works anymore. I get this message "Please enable JavaScript to get a reCAPTCHA challenge."

https://www.google.com/recaptcha/api2/demo


Huh, last time I hit a cloudflare website on Tor it directed me to https://www.google.com/recaptcha/api/fallback?k=...

Perhaps that's just a cloudflare thing.


That I didn't know. I don't remember ever seeing it, I suppose it is not used much?




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