Blog spam is so, so, so annoying. I looked through the server logs and I have over 3200 requests to create a comment on a single blog entry of which none have gone through. So it’d seem like my CAPTCHAs have saved me the hassle of having to delete 3200 comments. And that’s just on one blog entry.
A lot of people use Akismet to deal with their spam needs. We don’t use this at the moment because Geneone lacks the support for Akismet and the CAPTCHAs seem to be a pretty good measure for stopping spam.
Even though I have CAPTCHAs, I still get blog spam. This started off several months ago and tended to consist of posts with a ton of links and junk in HTML and BBCode. I suppose the idea is that the blog software would support at least one of those input languages. This kind of obvious spam has more or less stopped.
Non-Obvious URL Link Spam
Since then, I’ve been getting up to 3 spams on a bad day. The difference is, these commenters will often take the time to write something such as "Nice script, works in all the major browsers, I’m going to implement this on my site. Thanks!" It’s quite obvious that it’s spam as they will specify their name as "Trucks" and link to a website which just sells a ton of trucks.
Sometimes people will take the content of an existing comment and paste that as a new comment to save them from having to write them. But they’re dead easy to spot.
Even though I have CAPTCHAs, I still get spam. Why? Most likely because a human has been paid to sit there and to spam websites. This is when spammers employ people in developing countries a few cents an hour to go online and to solve CAPTCHAs. Solving 12 CAPTCHAS a minute, all day long.
An article on the Guardian website a few days talked about people in developing countries being paid to spam blogs.
Whilst we’re on the topics of blog spam, check out the blog entry from a while back about why nofollow is the wrong solution to blog spam.