Math Question Blocks Most WordPress Spam Comments

By Posted 2007 Updated   BloggingSecurityTutorialsWordPress

Many wordpress bloggers test a simple math question for posting comments for spam protection. I recently installed the Math Comment Spam Protection and comment spam for moderation is almost zero, and Akismet spam is down to a minimum.

Math Question for Spam Protection

Akismet is a powerful spam comment blocking tool we use and it blocks over 2000 spam comments daily. But still a few spam comments still managed to slip through. After I installed the math comment spam protection wordpress plugin, spam comments to moderate have gone to zero and Akismet detected spam is also significantly less (from 2000 per day to 100 per day!). Previously I used to simply delete all Akismet spam (impossible to scan 2000 spam looking for the 1 valid comment, a big blogger time wasting habit I fixed), now I can easily scan my spam comments as it is a manageble number.

This has also fixed my missing WordPress Database Backup Emails, due to huge database size following huge Akismet blocked spam. Now smaller number of Akismet blocked comments mean the plugin has a smaller database to back up and works well.

Unless you want to try an illegible and barely visible captcha, the plugin is highly recommended. After the usual installation via FTP and activation via the plugin admin area, you need to paste a strip of code in your comments.php to integrate the math question. The code works well if your comments template is based on the default comments.php file. It worked fine on my template and works great. Try it.

Earlier I was getting spam emails from my contact form. When I installed a new more secure contact form which also used a math question to confirm human user input – the spam emails stopped totally from that day.

These math questions are a simple yet effective tool to identify human input, block automated spam requests and saves you lot of time.

Update: I have stopped using this plugin on this blog since several readers reported that although their total was right, the plugin kept persisting the total was wrong.


24 comments on “Math Question Blocks Most WordPress Spam Comments

  1. Jaypee says:

    I once had this type of spam captcha installed on my blog but I found out that it caused conflict with incoming trackbacks. I know it was caused by the plugin because after I uninstalled it, the issue was resolved.

  2. Armen says:

    I might just have to try this. Thanks!

  3. rxbbx says:

    Indeed, works perfectly combined with akismet.

  4. QuickOnlineTips says:

    It is really working well for me with Akismet. Now I waste less time filtering spam.

  5. kungfublood says:

    Sum of 6 + 7 ? is an arithmetic question not a math question. a common mistake.

  6. thomas says:

    I once had this type of spam captcha installed on my blog but I found out that it caused conflict with incoming trackbacks. I know it was caused by the plugin because after I uninstalled it, the issue was resolved.I might just have to try this. Thanks!

  7. nitinpai says:

    I am not bothered with comments spam because Akismet has been doing very good work for me. However I am bothered about spam trackbacks.

    But I guess Akismet has started to block those too recently.

  8. Uzay says:

    a really great and useful tool, thanks for it

  9. file extensions says:

    a really great and useful tool, thanks for it

  10. forum says:

    It is really working well for me with Akismet. Now I waste less time filtering spam.

  11. Yigit says:

    I might just have to try this. Thanks! Indeed, works perfectly combined with akismet.

  12. mersin emlak says:

    a really great and useful tool, thanks for it

  13. forum says:

    I might just have to try this. Thanks!

  14. QuickOnlineTips says:

    I have stopped using this plugin since several readers reported that although the total was right, the plugin kept persisting the total was wrong.

  15. GuzeL Soz says:

    I might just have to try this. Thanks!

  16. admin says:

    spam captcha installed on my blog but I found out that it www.wowgoldsell.com caused conflict with incoming trackbacks. I know it

  17. nakliyat says:

    thanks editors

  18. baba olmak says:

    I might just have to try this.

  19. Sire says:

    I’ve been looking for something like this. Hopefully it will do the trick

  20. Gebze Nakliyat says:

    Unless you want to try an illegible and barely visible captcha, the plugin is highly recommended. After the usual installation via FTP and activation via the plugin admin area, you need to paste a strip of code in your comments.php to integrate the math question. The code works well if your comments template is based on the default comments.php file. It worked fine on my template and works great. Try it.

  21. Barbra Lave says:

    I don’t agree with everything in this post, but you do make some very good points. Im very interested in this matter and I myself do alot of research as well. Either way it was a well thoughtout and nice read so I figured I would leave you a comment. Feel free to check out my website sometime and let me know what you think.

  22. Kerry Saintignon says:

    This is a very useful post, I was looking for this info. Just so you know I discovered your website when I was browsing for blogs like mine, so please check out my site sometime and leave me a comment to let me know what you think.

  23. iş ilan says:

    Unless you want to try an illegible and barely visible captcha, the plugin is highly recommended. After the usual installation via FTP and activation via the plugin admin area, you need to paste a strip of code in your comments.php to integrate the math question. The code works well if your comments template is based on the default comments.php file. It worked fine on my template and works great. Try it.

  24. BrainCandy says:

    Great list. I would add Comment E-Mail Verification to the ones that protect you from spam.

    Thanks

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