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by sunaookami 43 days ago
Speaking from experience hosting a MediaWiki with a ReCaptcha: Those were never effective, they didn't stop any bots. Switching to a personalized captcha with questions that have to be answered (that can mostly be answered from the Wiki itself) was more effective and stopped 100% of bots (of course it can be trivially bypassed when a site-specific bot is coded but no one does it and same is true for ReCaptcha).