Coevolving Innovations

… in Business Organizations and Information Technologies


Helping to digitize books, while fighting comment spam

Posted on September 04, 2007 by daviding

One of the downsides of managing a blog is having to fight comment spam. The first defence against spam is moderating comments — actually approving a commenter, the first time he or she adds to the blog post. This means that readers of the blog don’t see links to undesireable sites.

Automation helps sort out most comment spam. Akismet has become a standard spam detector for WordPress, and I’ve used it since day one. I’ve also now installed Bad Behavior and Referrer Bouncer, but they don’t really reduce the workload.

I’ve resisted using CAPTCHA — “Completely Automated Public Turing test to tell Computers and Humans Apart” — because I’ve been trying to ensure that my blog continues to be readable by the visually impaired.

I’ve just implemented the reCAPTCHA plugin for WordPress on my blogs. There are multiple reasons for this:

I’m looking forward to having a reduced number of comment spam attempts to read.

1 to “Helping to digitize books, while fighting comment spam”

  1. Marcel says:

    The idea of using such a captcha without wasting the effort of the people solving the captcha is very nice and innovative.

    It’s just a shame that the captcha from em is rather more complicated compared to self-hosted captchas and its also not easy to integrate in a visibly nice way. Never blends in to the design of the page. These things they still need to find a solution for.

    E.g. forcing that copy’n paste of the code block is very nasty and the input mask of the captcha should be fully customizable and not just themeable.



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