Plugin Reviews

HumanCaptcha by Outerbridge

HumanCaptcha is a Captcha that uses questions that require human logic to answer them to the WordPress login form, comments form and registration form

9 reviews
Average Rating
4.9 out of 5 stars
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Great captcha for accessibility
By ,

Easy to install and set up.

The is a better captcha for a low vision person, because they don't have to try to interpret a fuzzy image with numbers or letters.

Great captcha for people using screen readers.

By , for WP 4.2.2

The best Q&A captcha on the web.

Greate work!
By , for WP 4.0

From Russia with love)
This is translation.

Simple and useful
By , for WP 3.9.1

I searched hours to find this. Now I can somewhat protect my registration page. To have it in my language, Swedish, I just downloaded Poedit and used the english translation as a template. I feel it is worth making the translation so users feel the site is in one language only.

Simple et rapide
By , for WP 3.8.1

Cette extension est très simple et facile à configurer.
Vu qu'on configure soit même les questions, l'outil est redoutable !

By , for WP 3.7.1

Needed a human captcha system for my registration form, this one suits the best. No spam registrations thus far :)

One suggestion would be to add the settings link on the sidebar menu within the Settings tab, rather than the Plugins tab.

Please do keep updating it.

Easy to use and works
By , for WP 3.7.1

I switched to this after the "Growmap Anti Spambot Plugin" started letting lots of spam through.

Plugin was easily installed and just worked from git-go.

I altered a few of the human questions so as to not use all the stock standard questions.

Easy to use and a simple configuration page. Thus far my comment spam and user registration spam went to zero from half-a-dozen per day.

The great thing about this plugin is it can be used to protect against:
1) comments
2) user registration
3) login form

Definitely recommend it.

Simple and effective CAPTCHA
By , for WP 3.4

This is probably the simplest and most effective self-contained CAPTCHA plugin yet. HumanCaptcha uses a very simple but powerful approach to impede bots: ask a simple question in English (or other language) - provide the answer, e.g. "Thursday, Friday, Saturday. What comes next?", "What color is grass?", etc.

It works! and you can add your own questions to the short list provided. This means bots don't stand much of a chance, as they would have to be able to cope with random examples of English semantics instead of just relying on brute force OCR, code weaknesses, or the very limited lexicon required for simple math problems, none of which is very effective against bots any more. This strategy seems to beat them all, and it's customizable too.

Issues with this plugin at the moment include (v1.4):

1) no option for the Reset password form
2) problem appearing on the Comments form in some themes
3) problem handling some special characters like "quote marks"
4) no option to export/import sets of questions and answers
5) lack of international support (i.e. multiple languages for the human visitor to choose from, with related sets of questions)
6) no ip log of frequent offenders or related ability to temporary block them

These few issues will hopefully be resolved in time, but you should try it out and see how effective and easy it is anyway. Watch it instantly kill your registration form spam.

Useful and handy plugin
By , for WP 3.4.1

Thanks for your useful plugin.

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