Anti-Spam by CleanTalk – No Captcha WordPress Plugin

No CAPTCHA, no questions, no counting animals, no puzzles, no math and no spam bots. AntiSpam features includes but not limited to the followings:

Stops spam comments.
Stops spam registrations.
Stops spam contact emails.
Stops spam orders.
Stops spam bookings.
Stops spam subscriptions.
Stops spam in widgets.

Check existing comments for spam. Public reviews

Using CleanTalk on WPLift was a great test as we receive huge amounts of spam. Oliver Dale,

Comments spam protection

Supports native WordPress, JetPack comments and any other comments plugins. Plugin moves spam comments to SPAM folder or you can set options to silently ban spam comments. You can enable options in the plugin settings to auto delete comments from SPAM folder.

Spam bots registrations filter

Filters spam bots on registration forms WordPress, BuddyPress, bbPress, S2Member, WooCommerce, Profile builder and any other registrations plugins.

Protection against contact form spam

Plugin is tested and ready to protect against spam emails via Formidable forms, Contact form 7, JetPack Contact form, Fast Secure Contact form, Ninja forms, Landing pages, Gravity forms and any themes/custom contact forms.

WooCommerce spam filter

Anti-spam by CleanTalk filters spam registrations and spam reviews for WooCommerce. Plugin is fully compatible with WooCommerce 2.1 and higher.

Newsletters filter

Anti-spam by CleanTalk filters spam subscriptions for MailPoet, MailChimp, PopupAlly and many other newsletters plugins.
Spam filter for themes contact forms

Plugin blocks spam emails via any themes (built-in) contact forms. With AJAX forms plugin silently (without any error notices on WordPress frontend) filters spam emails.

Other spam filters

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WordPress Landing Pages.
WP User Frontend.
Any WordPress form (options for ‘Custom contact forms’).
Any submission to site (options for ‘Check all POST data’)

Compatible with WordPress cache plugins

W3 Total Cache, Quick Cache, WP Fastest Cache, Hyper Cache, WP Super cache and any other cache plugins.

Check existing comments for spam. Bulk comment removal

With the help of anti-spam by CleanTalk you can check existing comments to find and quickly delete spam comments at once. To use this function, go to WP Console->Comments->Find spam comments.

Check existing users for spam. Bulk account removal

With the help of anti-spam by CleanTalk you can check existing accounts to find and quickly delete spam users at once. For use this function, go to WP Console->Users->Check for spam.

Blocking users by country

Automatically block comments and registration from the countries for which you have set a ban. This option is useful in cases of protection from manual spam and gains protection. If your site is not aimed at an international audience and you do not expect comments/users from other countries.

Blocking comments by “stop words”

You can block comments containing “stop words” to enhance spam filtering and blocking messages containing obscene words. You can add a certain words or phrases.

Private Black Lists for Anti-Spam service

Automatically block comments and registrations from your private black IP/email address list. This option helps to strengthen the protection of a manual spam or block unwanted comments from users.

Private Black List for Spam FireWall

It allows you to add individual IP addresses and subnets to Spam FireWall. It blocks attacks from IP addresses are not included in the SFW base yet. This option can help to block HTTP/HTTPS DDoS, SQL, brute force attacks and any others that are made through the HTTP/HTTPS.

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Low false/positive rate

This plugin uses multiple anti-spam tests to filter spam bots with as lower false/positive rate as possible. Multiple anti-spam tests avoid false/positive blocks for real website visitors even if one of the tests fail.

How CleanTalk improves SEO for your website?

So, you already know that the speed of the site has a direct impact on SEO.

CleanTalk works faster than most of the other anti-spam plugins. It is common knowledge that the faster your site loads, the better your customer experience is, the better your SEO will be, and the better your site will convert.

Speed is becoming increasingly important in SEO, conversion and user experience. Today, site speed is one of the most important ranking factors on Google. A site that loads slowly will lose visitors and potential revenue.

There are different ways of improving your site’s loading performance. One important parameter for site performance is to install well-developed plugins from a reputable source.

Among anti-spam plugins CleanTalk Anti-Spam is one of the fastest. Despite the large plug-in functionality, the developers have optimized the performance of the plugin so that CleanTalk is faster than most analogs. This contributes to the cloud service architecture, as all calculations take place in the cloud, not on the server, the server receives the finished result for further action.

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How CleanTalk works?

A visitor writes a comment or registers
CleanTalk plugin sends action parameters into the CleanTalk cloud
Service analyzes the parameters

If this is a visitor, the comment will be published. If it’s a spam bot, then CleanTalk blocks this comment or registration.
Parameters are written to the log which can be viewed in the Control Panel service.

The CleanTalk team has been developing cloud-based spam protection for 5 years and has created a truly reliable anti-spam service designed for you to ensure your safety.

Spam attacks log

Service CleanTalk (this plugin is a client application for CleanTalk anti-spam service) records all filtered comments, registration and other spam attacks in the “Log of spam attacks” and stores the data in the log for up to 45 days. Using the log, you can ensure reliable protection of your website from spam and no false/positive filtering.


CleanTalk has an advanced option “SpamFireWall”. This option allows blocking the most active spam bots before they get access to your website. It prevents spam bots from loading website pages so your web server doesn’t have to perform all scripts on these pages. Also it prevents scanning of pages of the website by spam bots.

Therefore SpamFireWall significantly reduces the load on your web server. SpamFireWall also makes CleanTalk the two-step protection from spam bots. SpamFireWall is the first step and it blocks the most active spam bots. CleanTalk Anti-Spam is the second step and checks all other requests on the website in the moment of submitting comments/registers etc.

More about CleanTalk Anti-Spam

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