Today Dailytechpost Team sharing best wordpress captcha plugins for wordpress users . WordPress is a free content management system and open source blogging website. wordpress is the best blogging platform because it very effectively prevents spamming and also spammers from posting illegally. wordpress is user friendly and any kind of plugins are easily available for wordpress. Captcha plugins are prevent from any kind of inappropriate comments or spams. for safety and security purpose captcha plugins are much useful. These plugins are completely free of cost and so all the bloggers are suggested to use these for the safety and security of their website.
Picatcha
Picatcha(TM) is a unique image-identification CAPTCHA that effectively protects your website from Internet abuse - spam and automated bots. It is a well known fact that websites lose approximately 3-18% of user interactions (comments, sign-up etc) due to the additional burden of re-typing the squiggly garbled text CAPTCHAs.
IceCaptcha
The new generation “IceCaptcha” plugin. The new security system presupposes clicking on the circle of a particular color instead of entering numbers or other redundant actions. It is done instead of clicking on the button, i.e. no spare action is required!
Secure CAPTCHA
Protect your forms from spam with hard to break and easy to read Secure CAPTCHA images from SecureCAPTCHA.net. Secure CAPTCHA allows to distinguish between form submition made by human and script (robot, bot, program etc.). It gives you ability to reject all form submitions made in automatic way. Secure CAPTCHA was designed to be both hard to break with a script and easy to solve by the humans.
WP Captcha-Free
WP Captcha-Free blocks automated comment spam without resorting to CAPTCHAs. It does so by validating a hash based on time (and some other parameters) using AJAX when the form is posted. Comments posted via automated means will not have a hash or will have an expired hash and will be rejected. Unlike using a captcha, this does not place any burden on the commenter.
Sweet Captcha
Sweet Captcha is a free Captcha service putting your users and your website at first priority. We dont think CAPTCHA should be hard to users,captcha should be hard to machines!
