> The comment form of my blog is protected by what I refer to as “naive captcha”, where the captcha term is the same every single time. This has to be the most

> The comment form of my blog is protected by what I refer to as “naive captcha”, where the captcha term is the same every single time. This has to be the most ineffective captcha of all time, and yet it stops 99.9% of comment spam. This is what we did on one of our sites. 5 minutes to implement it using a few lines of code. Same result, couldn't be happier.