| Akismet: A plugin which identifies and blocks comment and trackback spam on blogs with integration to various blogging systems. |
| BBC News - How spammers are targeting blogs: Spammers are turning their attention to weblogs, angering technology analyst Bill Thompson. He calls it "flyblogging." |
| Big Fractal Tangle: Designing For Lowlifes: Discusses how better, smarter tools are needed to block or remove comment spam in realtime. |
| Blog Spam Database: Database of URLs and phrases often used by spammers, along with links to related resources and a discussion forum. |
| Blogspam.org - Anti-Comment Spam Tactics: Series of steps to stop spam in your blogs. |
| Comment Spam: Google's Toxic Waste Dump: Offers a few suggestions to Google and weblog publishers to thwart those who think they can make money spamming blogs. |
| Internetnews.com - Six Apart Trains Guns on 'Comment Spam': The blog tools vendor Six Apart plans to roll out an open online authentication system to fight the growing phenomenon of comment spam. |
| Jeremy Zawodny's Blog - Guerilla Tactics Against Blog Comment Spammers: Suggestion that bloggers create posts that target the same spammy phrases that blog spammers want Google to find. |
| Jeremy Zawodny's Blog: Using mod_rewrite against comment spam bots: Very short tutorial. |
| Kalsey Consulting Group - Comment Spam Manifesto: Weblogger crystallizes the thoughts of many in declaring a cyberwar on those who inappropriately post in guestbooks and weblogs. |
| Learning Movable Type: Concerning Spam: Types of spam seen on blogs. |
| MSNBC - Spammers now clogging blogs, IM: Spam has never been limited to e-mail. But now, commercial pitches are increasingly popping up in online chats, instant messages, cell phones with text messaging and weblog comments. |
| MT-Blacklist/Comment Spam Clearinghouse: A centralized blacklist database of blog spam URLs. |
| No Guestbook Spam Anymore: Offers instructions for webmasters for avoiding and eliminating spam in guestbook. |
| OJR : Bloggers Declare War on Comment Spam, but Can They Win?: "Here's a look at the battle so far." |
| Simon Willison's Weblog - Solving Comment Spam: Feasible ways to stop or thwart comment spam. |
| Simon Willison: Blacklisting Comment Spam: One man's efforts to create and maintain a blacklist. |
| Six Log: Comment Spam: Spammers are abusing comment systems to increase their rank on Google. Here are some steps to take to reduce or eliminate this problem. |
| Spam Huntress - Spam cleaning for blogs: Spam huntress dissects blogspam. |
| Typepad Vs. Commentspam: The steps that Typepad has taken in order to rid its users of spam comments. |
| Webmaster Kit: Stop Spam: Offers a script using the Turing Test, intended for spam prevention in guestbooks, blogs and wikis. |
| Wild Mind: Essays about comment spam and how one blogger is fighting it. |
| Wired - Googlemania: The (Evil) Genius of Comment Spammers: Background of the phenomenon of comment spam and how bloggers responded. |
| Wired: When the Spam Hits the Blogs: Owners of weblogs have recently noticed that their referral logs have become the newest target for spam. |
| Yoz Grahame's Cheerleader: Seven quick tips for a spam-free blog: A list of tips aimed at webloggers to reduce the problem of comment spam. |
Classical
