The best antispam feature, ever.

My comment form on my blog contains the following, right above the <textarea> element where the text can be entered:

<!-- To any spammers out there: Any submission to this form is
moderated: this means that only I will see your URLs, and I will not
visit them nor link to them. Thus, you can stop wasting our collective
time. -->

That, combined with the fact that my blog comment system is a home-grown thing, has meant that I haven't seen a single spammy comment anymore in months.

The same comment form has shown the same thing since ages in a <p> element right above the <form> element, but that apparently was missed by some spammers. Since adding the above comment, however, I've not received a single spam submission to that form in over a year.

Who says spammers are stupid?