I want to allow readers of my WordPress-driven sites who comment frequently the ability to sign up and have their own account on the site. However the ratio of actual readers versus spam scripts using the sign-up form is something like 1:100.

Is there a reasonable solution for preventing these bogus accounts from being created while still allowing reader sign-ups? Last I looked, I couldn't find anything for account creation like what spam-prevention measures are available for comments.


Sabre is great plugin, it allows me to block dozens of spam user registration per week.

It has also many useful features to control the style and captcha's complexity.

  • Installed and configured. We'll see how it goes, but this is exactly what I hoped to find. Thanks! Aug 12 '10 at 17:34
  • I'd never heard of this, looks awesome. +1 from me.
    – Shellbot
    Aug 17 '10 at 11:00

I know of some sites using TruBar successfully.

Is OpenID not also an option? I doubt the robots will know how to register for that?

  • Is there a WordPress plugin to graft OpenID onto WordPress?
    – dthorpe
    Aug 17 '10 at 0:40
  • Yes, there is: wordpress.org/extend/plugins/openid
    – dthorpe
    Aug 17 '10 at 0:41
  • However, this plugin doesn't appear to prohibit local user accounts, it merely augments the local accounts.
    – dthorpe
    Aug 17 '10 at 0:45

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