What is the best method to keep bots from spamming your blog?

Question

I got a problem at my blog. I got visits from kind bots who leave \"nice\" comments to my blog posts :(

I\'m wondering if there is a smarter way to keep them out, besid

Answer 1

Have you thought about using this?

http://akismet.com/

From their FAQ

When a new comment, trackback, or pingback comes to your blog it is submitted to the Akismet web service which runs hundreds of tests on the comment and returns a thumbs up or thumbs down.

It's a really easy to use system, which I highly recommend.