Ca(p)tching Cats and Dogs

I read on Jeff Atwood’s blog about most strong Captcha having been defeated. Also, on top of visitors getting annoyed by it, the Captcha plugin I am using has gone unmantained lately. And, one way or another, I am getting comment spam again. Which is something I really hate as you know what I would love to do to spammers…

I am seriously considering giving Asirra a try. It is an interesting project from Microsoft Research for an HIP (Human Interaction Proof) that uses info from to let users set apart pictures of dogs from those of cats. There is also a WordPress plugin, in the best and newest “we want to interoperate” fashion that we are finally getting at Microsoft (this has always been the way to go, IMHO, and BTW).

Anyway, what do you think ?

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7 thoughts on “Ca(p)tching Cats and Dogs

  • March 9, 2008 at 4:33 pm

    hi moppie love you

  • May 1, 2008 at 4:37 pm

    What did you decide on…Did you trying Asirra?

  • May 2, 2008 at 9:11 am

    If you commented here, you obviously used it to post your comment, right?
    It’s funny. I am not sure what my few readers think…. there are a coupld of drawbacks:
    1) it probably SLOWS down the process of commenting, compared to a captcha
    2) it won’t let non-javascript-enabled browsers to post (think Mobile Phones, for example) – but this was true also for the captcha.
    On the other end, it seems EASIER to understand for people…

  • May 31, 2009 at 11:42 am

    I’m the author of the Captcha plugin you used. And yes, I leave it in favour of a better system: Hashcash.
    I suggest you to use WP-Hashcash, look at:
    I use it on my site and have no spam since I enable it. It works transparently and no captcha is required. Some users get annoyed by Captchas. It only requires the user to have javascript enabled.

    If you still want to use a Captcha I would suggest reCaptcha.

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