Search Engine Optimization and Marketing for E-commerce

Favorite spam comment of the week

by Andrew Kagan 18. April 2011 12:25

Comment spam is an ongoing problem, and it’s very difficult to eliminate completely. Putting up spambot barriers is effective, but still some spam slips through, especially human-generated trackback attempts, such as this one, masquerading as an anti-spam comment!

Hello, i read your blog occasionally and i own a similar one and i was just curious if you get a lot of spam remarks? If so how do you prevent it, any plugin or anything you can suggest? I get so much lately it's driving me mad so any help is very much appreciated.

Of course, this was posted using a bogus email and a trackback to a spam domain, and I wasn’t lured in to enabling it. But unless you are moderating your comments, this one would likely escape attention.

Search engines such as google, yahoo and bing are continuing to try to separate the “wheat from the chaff” when it comes to figuring out which backlinks are relevant to search, and which are just spammers trying to seed backlinks across thousands of unsuspecting blogs and message boards. This practice has accelerated even as search engines have become better at devaluing them, leading to more headaches for moderators and admins.

As noted, comment spam can be completely prevented by moderating comments, but this requires the blog or message board admin to manually evaluate each comment. Even then, spambots and trackback services using live individuals create a tidal wave of comment spam, so using third-party tools like Akismet are a necessity. Google’s free reCaptcha service is another useful tool, but is vulnerable to brute-force attacks by trackback services using humans to solve reCaptchas.

Implementing both of those tools in concert will cut down on comment spam dramatically (usually by 95-98%), but still requires comment moderation to effectively block the 2-5% that gets through. The above spam comment got through both filters on the Search Partner Pro blog.

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