Simple plugin to stop spam comments and registrations on your site. Adds a question field on the form, easy for humans, but not solvable for the bots.
As of April 2026, Good Question is a WordPress antibot plugin with 100 active installations and a 4.6/5 rating from 13 reviews. It has been downloaded 5.5K+ times in total. Requires WordPress 3.0.1+ and PHP false+. Available on WordPress.org since 2013. Last updated 5 years ago — may have compatibility concerns. Top alternative: Spam Master.
Good Question is a free simple WordPress plugin to stop spam comments and registrations on the site.
Allows to add a question on the comments and registration form, easy for humans, but not solvable for the spam bots. User must select correct answers, otherwise registration will fail.
The best thing of this super simple plugin is that it 100% works!
The smartest bots that easily pass the Google reCAPTCHA are helpless against the Good Question. Just because they don’t know what to do with that. Bots are not trained pass the Good Question validation because it’s not so popular as Google reCAPTCHA or other services.
The Good Question plugin successfully protects WordPress sites from spam registrations since 2013 and up for today.
Key features of the plugin:
| WordPress | 3.0.1+ requiredTested up to 5.5.18 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.