Quote:
Originally Posted by milano
To add to this, anything that requires an answer / typing is better than nothing, correct me if i'm wrong but even a captcha at register would work well.
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The majority of modern bots can be programmed to read captchas now. If they fail once they'll usually just try again until their parsing software gets one right. Of course, having one is still better than nothing, as the majority of truly prevalent spambots are old software left running for years or months on end. No reason to upgrade your spambot unless you stop getting hits, right? Just keep it running until you need a new one, and by then getting hold of a new one will be easy.
As far as questions, they need to be more unique than mathematical answers or "type the word in this box" questions, because, again, bots can be programmed to answer those.
If the question was something like "What is the name of our first subsection?" then that would be much better, since the bots don't, to my knowledge, reference across multiple pages. Or even "Which letters are Capitalised in THis Sentence?", since the bots likely don't parse that either.