The whole idea to this plugin is to keep spammer robots from posting on your blog, reducing the space taken by spam messages in the database, and preventing your blog from being a spam magnet.
You can ask anything, keep it simple and obvious, e.g. Is the sky Green? NO!. Doing this will stop stupid bots from being able to post.
It only shows up when you are logged out, so you dont have to fill it in if your an admin. On top of this, it also adds javascript validation to the form to ensure the required fields are filled in.
You can configure the plugin in Admin > Tools > Spam Stopper after installing it.
Pictcha
Pictcha is a protection in a form of an image retrieved from UTYP engine, which can be embedded inside web forms, and which will filter out spams.
When someone uses UTYP Pictcha, the UTYP engine learns and gets more accurate.
Click here to see Pictcha in action....
GoodBye Captcha
Goodbye Captcha anti-spam and security plugin is based on algorithms that identify spam bots without any annoying and hard to read captcha images.
Goodbye Captcha completely eliminates spam-bot signups, spam comments, even brute force attacks, the second you install it on your WordPress website. I.........
Engage & Fight spam
Makes visitors Read More posts and fights spam. Displays extracts from blog articles or simple useful messages and engage visitors to READ MORE while securing your web forms.
No keys/registration needed
Retains users by replacing annoying Captchas and easy to pass client side verification with a e.........
Math Captcha
Math Captcha is a 100% effective and easy to use CAPTCHA for WordPress that seamlessly integrates into login, registration, lost password, comments, bbPress and Contact Form 7.
For more information, check out the plugin page or see the Support Forum....
MP Spam Be Gone
MP Spam Be Gone is the simplest, most effective Spam blocker. This plugin was inspired by some of the best Anti-Spam plugins available on WordPress.
Version 3.0 has been re-written to exclude the use of jQuery, which I believe was causing the problem for some users where the checkbox was not appear.........
Captcha Bank - Solid Security & Advanced Protection
Captcha Bank = Tough on Bots, Easy on Humans
WP Captcha Bank - Best Captcha Plugin is a powerful WordPress shield which allows you to protect your WordPress website from SPAM. You can display Captcha on Login Form, Registration Form, Comment Form, Admin Comment form, Contact Bank Form and Hide Capt.........
NoMoreCaptchas
NoMoreCaptchas is enterprise-level spam protection for sites of all sizes.
Put an end to those annoying Captcha codes that slow down or even send away your users! NoMoreCaptchas authenticates human beings and blocks bots based on the one thing that can never be faked - their behavior....
WP-SpamShield Anti-Spam
An exceptionally powerful and user-friendly WordPress anti-spam plugin that eliminates comment spam, trackback spam, contact form spam & registration spam....
Google Captcha (reCAPTCHA) by BestWebSoft
Google Captcha (reCAPTCHA) plugin allows you to implement a super security Captcha into web forms. Google Captcha (reCAPTCHA) is a free CAPTCHA service that helps to digitize books, newspapers older radio shows.
This plugin can be used for login, registration, password recovery, comments forms.
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Ads Manager WP/BB
Use this plugin to quickly and easily insert Any Ad code Unit to your posts and BuddyPress sections including Forum topics....
