{"active_installs":200000,"added":{"timestamp":1337299200,"timezone":"UTC"},"author":"CleanTalk Inc","author_profile":{"url":"https://profiles.wordpress.org/cleantalk/","alt":"CleanTalk Inc"},"banners":[{"type":"high","url":"f"},{"type":"low","url":"https://ps.w.org/cleantalk-spam-protect/assets/banner-772x250.png?rev=3552678"}],"changelog":"

6.81 10.06.2026

New. Code. Amelia integration
Code. Links from backend
Fix. Code. Improve statement.
Fix. Code. Editing the array key transfer
Fix. SFWUpdateLog. Transferring values to placeholders prepare()
Fix. SFW. Mixing values in cookies SFW
New. Pingback and trackback rejection implemented.
Code. Mobile styles fix (#803)
Mod. Integrations. Opting out of force alt cookies for SmartForms. (#808)

6.80 28.05.2026

Fix. catchJqueryAjax. Object as null comparison fixed.
Fix. CatchXHR. Mailpoet integration added to provide the event_token.
Upd. Bot Detector Service. Added alternative source URL.
Upd. Bot Detector Service. Updates.
Fix. PHP8. Prevent duplicate headers before sending HTTP response code.
Fix. TRP. Correctly save TRP hashes.
Mod. Settings. Transferring an option and deleting its description
Fix. Code. Bug fixes after WP 7.0 update
Fix. Admin banners. Call-to-action buttons visibility fixed.
Mod. Settings. Editing the description of the Anti-Crawler option
Fix. Settings. Edit long description
Mod. Integration. Opting out of force alt cookies for UserRegistrationPro members
Fix. BotDetector. Editing the bot detector connection
Fix. CheckJS. Edit the check_js entry if the global key is not available
Fix. Code. Added a space between the username and the TRP text

6.79.1 25.05.2026

Fix. Admin banners. Call-to-action buttons visibility fixed.

6.79 14.05.2026

Mod. Settings. Moving the AC option
Fix. Search forms. Add a sign of ‘s’ GET param to a native search form signs.
Fix. Contacts Encoder. Shortcodes. Content sanitization improved.
Fix. NoCookieData. Correcting an error when encoding a NoCookie array
Fix. CheckForSpam. Editing the deletion of spam check logs
Mod. AntiCrawler. Editing the option description

6.78 29.04.2026

Removing the link to install “Gravity Forms to doBoard” (#784)
Mod. BloomForms. Editing the integration with BloomForms
Update inc/cleantalk-settings.php
Upd. Integrations. Improve Divi newsletters flow to attach meta data to request.
Add “Read more” link to cleantalk page (#782)
New. BaseCall. Default params class.
Fix. REST API. Updated ’email’ argument type from ’email’ to ‘string’ in callbacks.
Fix. GFA. Replaced email regex with isEmailLike method and added unit tests for validation.
Upd. Integrations. Improve Divi newsletters flow to attach meta data to request. (#786)
Ref. AntiCrawler. Module flow refactored. (#788)

6.77 16.04.2026

Fix. AltSession. Correcting the issue of array conversion
New. BookingCalendar. New integration with BookingCalendar
Upd. Settings. Updated flow to check pingback. (#764) (#773) (#774)
Fix. CF7. Edit honeypot
Fix. Integration. EDD integration fixed. (#770)
Fix. Code. Editing the bot detector settings
Fix. Exclusion. Skip request from Metorik Helper
Fix. Common. Add bot detector state to ct_options. (#778)
Fix. WPMS. Errors output for WPMS mutual-mutual mode fixed. (#772)
Fix. WPMS. Settings for mutual/mutual fixed.
Fix. WPMS. Settings page error fixed.

6.76 02.04.2026

Mod. ForceAltCookies. Removed the use of force alt cookies for integration with piotnet-addons-for-elementor
Upd. Integrations. Improve FluentBooking flow to attach meta data to request.
Upd. Settings. Updated flow to check pingback.
Upd. Settings. Bot Detector setting – bot-detector setting removed.
Fix. Code. Unit tests fixed: TestFluentForms, TestNinjaForms.
Fix. JS. Gathering. Passing js_on independent of gathering loaded.
Fix. Integrations. QuForm. Fixed js_on param gathering.

6.75 19.03.2026

Upd. JS. catchJqueryAjax. Refactored to also use ajaxPrefilter. Bloomform now skip using force alt-sessions.
Upd. ContactEncoder. Improve aria labels protect.
Upd. Integration. HivePress forms protection improved.
Upd. Settings. SFW outdated message refactored.
Upd. Settings. Error. Fixed case when SFW outdated error is not removable.
Upd. TRP. TRP popup text and styles updated.
Fix. Integrations. Improve statement to protect memberpress.
Fix. Integrations. Improved membershippro processing statement.
Fix. Integration. Gravity forms integration fixed.
Add. Integrations. Added Elfsight compability.
Fix. RemoteCalls. Changes to the RC functionality
Upd. Settings. Improved copability.
Fix. Contacts Encoder. Shortcode for exclude encoding.
Upd. BotDetector. Update load strategy.
Upd. BotDetector. Update load strategy for fluent booking and fluent form.

6.74 05.03.2026

Mod. SFW. Atomic approach to updating SFW
Upd. Exclusions. Ajax. Plugin “cart-recovery”.
Fix. Code. JS loading by defer fixed.
Mod. OtterForms. Changing integration from a hook to a route
Mod. OtterForms. Changing the integration, renaming the request interception method
Upd. Connection reports. Email subject updated.
Fix. JS. catchFetchRequest. Origin fetch definitions.
Upd. Exclusions. Ajax. Plugin “invoicing”.
Upd. Gravity Forms. Skipped request extended log.
Fix. Translate. Fixed msgids.
Upd. Connection reports. Email title edited.
Upd. Connection reports. Service id added.
Fix. SubmitTime. Calculation of the submit time when enabling the gathering script
Upd. SFW updates sentinel. Updated report.
Upd. Settings. Updated RC to init settings update.
Fix. SubmitTime. Editing the creation of a timestamp

6.73.1 19.02.2026

Fix. Code. JS loading by defer fixed.

6.73 19.02.2026

Upd. Code. SFW Update. HTTP multi request refactored.
New. ShadowrootProtection. Implementation of form protection in Shadowroot elements, integration with Mailchimp shadowroot
Mod. ShadowrootPrt. Architectural changes in logic, the addition of situational callbacks
Fix. CurlMulti. Editing implementation comments
Fix. Integration. Ninja forms. Filter NF common fields before processing.
Fix. Exclusions. “woocommerce-abandoned-cart”
Fix. Exclusions. “woo-abandoned-cart-recovery”
Fix. Exclusions. “abandoned-cart-capture”
Fix. Code. Returned the lost code during the merge
Fix. FluentForm. Vendor integration compliance fixed.
Upd. Integrations. Elementor UltimateAddons Register integration handler to use ajax middleware.
Fix. IntegMailChimp. Clearing all fields except for the field whose name contains message
Fix. Code. Edit Remote Calls
Fix. AdminActions. Checking permissions for Actions
Upd. Exclusions. Ajax. Plugin “wp-multi-step-checkout”.
Fix. Exclusions. Ajax. Plugin “woo-abandoned-cart-recovery”. Fixed condition.
Code. Unit tests for apbct_is_skip_request() refactored.
Fix. Code. Escaping woocommerce order data
Upd. Exclusions. Ajax. Plugin “woocommerce-sendinblue-newsletter-subscription”
Fix. Remote Calls. Skip check if no sign of RC action provided in Request.
Fix. Exclusion. Added path invoice4u/v1/callback.
Fix. Contact Encoder. Every hook that has actions BEFORE modify now have actions AFTER.
Fix. Enqueue. Script individual-disable-comments.js renamed to cleantalk-individual-disable-comments.js
Upd. CommentsCheck. Improve statement.
Upd. JS parameters. Gathering dynamic lod implemented.
Fix. Connection reports. Email for reports fixed.
Fix. Integration. SmartQuizBuilder integration fixed.
Fix. ContentEncoder. Editing the data type in the 3rd str_replace argument

6.72 05.02.2026

Upd. WooCommSpamOrders. Added a hint for the disabled option to save spam orders.
Fix. Integrations. Fluent Forms. Visible fields collection fixed.
Fix. Integrations. Skip encoding for woo registration button. (#722)
Upd. Integration. Mailpoet. Visible fields gathering.
Upd. Visible fields extractor. Static method to get a new extractor.
Fix. Integration. Exclusions for WC requests fixed.
Fix. Integrations. GiveWP multi-page form. Exclude requests without email.
Fix. Integrations. GiveWP. Skip external forms check.
Fix. Integrations. GiveWP. Bot detector token. Intercept iframe fetch to add field if available.
Fix. Integrations. Fixed fetch request fields assignment (NoCookie|EventToken)
Fix. Woocommerce. Stored oreders. Fixed code error.
Mod. ContentEncoder. The ability to exclude the main page by hook
Fix. Code. Getting cleantalk addresses fixed.
Fix. Integrations. Add event token in jQuery catching for forms of “wpr_form_builder_email” action.
Upd. Footer. Footer promo link added. (#729)
Fix. Integrations. WooCommerce. Stripe express checkout address normalize excluded.
Fix. Integrations. Paid Membership Pro. Login form excluded.
Upd. Updater. Add index update mechanism. (#721)
Fix. Skip Elementor login widget request for WooCommerce checkout.
Fix. Integration. Mailpoet integration fixed.

6.71.1 26.01.2026

Fix. Promotion. GF2DB promo setting and message reverted.

6.71 22.01.2026

Fix. Integration. Woocommerce (checkout by REST) integration fixed.
Fix. Integration. Fluent forms integration fixed
Fix. Integration. Klaviyo (external forms) integration fixed.
Upd. PHPUnit. testIsAllowMessage/User refactored
Fix. Settings. Description for Send connection reports fixed.
Fix. Contacts Encoder. Exclusions fixed.
Fix. Contacts Encoder. Regex pattern for emails fixed.
Upd. Links. UTM preset for bbPress spam scanner added.
Fix. Fetch request catching. Fixed case with empty GET requests from pojo-accessebility plugin.
Fix. SFW pages. Fixed bundle name with resolver.
Fix. Common. Helper. PHP 8.4. Function str_getcsv() escape argument added
Fix. Workflow. Make the zip with subfolder instead of zip-root.
Fix. Exclusions by URL. Fixed validation and URL gain for ajax requests.
Upd. Requirements Checker. Modified curl_multi_exec to curl_multi array of functions.
Upd. SFW update. Do not start update if curl multi funcs are not available.
Fix. Integrations. Excluded recaptcha from cloning and ensured it is reinserted into the origin form during processing.
Fix. Integrations. Update condition to skip check of account update for logged in users.
New. Promotions. GF2DB.
New. Settings. Added RC to init settings update.
New. Integration. Bit Form integration implemented.
Upd. Code. PHP compatibility increased to 7.2.
New. Settings. Added project management menu item.

= Look for early changelogs in changelog.txt=

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Trusted by over 200,000 websites and rated among the top anti-spam solutions for WordPress in 2026. No CAPTCHAs, no puzzles, and no visitor friction — just automatic spam blocking for forms, comments, registrations, subscriptions, and fake orders. Powered by a global spam detection network that includes over 1,078,000 websites and helps stop spam before it reaches your website. Install it in less than 30 seconds and start protecting your site immediately.

Superpowers

Stops spam comments.
Stops spam registrations and logins.
Stops spam contact emails.
Stops fake orders eCommerce sites and online stores.
Antispam for bookings.
Antispam subscriptions.
Stops spam surveys, polls.
Stops spam in WooCommerce.
Antispam for Search Form.
Real-time email validation. Check if an email is real or fake.
Checks and removes the existing spam comments and spam users.
Blocking disposable & temporary emails.
Block messages by languages, countries, networks and stop words.

Public reviews

\n
It’s more than just a tool to combat spam; it’s an integral component that enhances the overall quality and performance of your website.
\n techbusinessnews.com.au
\n
Improve Your Security WordPress Spam Protection With CleanTalk Anti-Spam
\n The Hacker News.
\n
Compare reCAPTCHA & Akismet VS CleanTalk
\n CleanTalk vs Google reRECAPTCHA
\n CleanTalk vs Akismet
\n

Free trial then $12 per year

CleanTalk is an anti-spam plugin which works with the premium Cloud Anti-Spam service cleantalk.org. This plugin as a service https://developer.wordpress.org/plugins/wordpress-org/detailed-plugin-guidelines/#6-software-as-a-service-is-permitted

AntiSpam protection for comments

Native spam protection for WordPress, JetPack comments and any other comment plugins. The plugin moves spam comments to SPAM folder or you can set the option to ban spam comments silently. You can also enable the option in the plugin settings to auto-delete comments from SPAM folder.

Contact Form 7 Antispam

Plugin extends spam protection for Contact Form 7 (CF7). It can be used with any other third-party spam filters.
\nHow to protect your Contact Form 7 using CleanTalk Anti-Spam plugin

Elementor Website Builder filter

Plugin extends spam protection for Elementor Website Builder. It filters spam submisssions and tested for contact form type.

Gravity forms Antispam

Plugin extends spam protection for Gravity forms. It filters spam submisssions for any type of forms.

Formidable Form Builder Antispam

Plugin extends spam protection for Formidable Form Builder. It filters spam submisssions for any type of forms – Contact Form, Survey & Quiz Forms.

Leaky Paywall subscription protection

Plugin protects Leaky Paywall plugin (by ZEEN01) against spam subscriptions. It can be used with any other third-party spam filters.

HubSpot protection for embedded forms

Plugin protects HubSpot embedded forms against any spam submissions. Guide to start using embedded forms https://knowledge.hubspot.com/forms/how-can-i-share-a-hubspot-form-if-im-using-an-external-site

Contact Form by WPForms Antispam

Plugin extends Contact Form by WPForms to provide spam protection. It filters spam submissions for each type of forms – simple contact form, marketing form, request a quote and etc.

Antispam for WooCommerce & fake orders filter

Anti-spam by CleanTalk filters spam registrations, spam reviews, and fake orders for WooCommerce (any eCommerce plugin as well). The plugin is fully compatible with WooCommerce 2.1+ and online stores.

Spam filter for theme contact forms

The plugin blocks spam emails via any theme (built-in ones included) contact forms. The plugin filters spam emails silently (without any error notices on WordPress frontend) in AJAX forms as well.

bbPress spam filter

Spam protection for everything about bbPress: logins, registrations, forums, topics and replies.

Many other great contact, signups and all kind of forms that supported by CleanTalk

AWeber form builder https://wordpress.org/plugins/aweber-web-form-widget/
Contact form by BestWebSoft https://wordpress.org/plugins/contact-form-plugin/
Contact Form Plugin by Fluent Forms Ninja forms https://fluentforms.com
Forminator contact from https://wpmudev.com/project/forminator-pro/
Ninja forms https://ninjaforms.com
Newsletters – MC4WP: Mailchimp for WordPress (mc4wp.com), MailPoet – emails and newsletters in WordPress (https://www.mailpoet.com/)
WS Form Lite https://wordpress.org/plugins/ws-form/
WP User Frontend, UserPro.
WordPress Landing Pages.

Protection for the forms above works as a built-in feature of Anti-Spam by CleanTalk without requiring any additional actions from the user.

Check existing comments for spam. Bulk spam comments removal. Spam comment Cleaner

With the help of anti-spam by CleanTalk you can inspect through 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 spam accounts removal. Spam users cleaner

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

Private black lists for anti-spam service

Automatically block comments and registrations from your private black IP/email address list.

Hide «Website» field for comments

This option hides the «Website» field from standard WordPress comments forms. After that spammers won’t be able to send spam links using «Website» field in the bottom of the comments form.

Low false/positive rate

This plugin uses multiple anti-spam tests to filter spam bots having as low false/positive rate as possible.

Spam FireWall

Spam FireWall 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 Spam FireWall significantly reduces the load on your web server. Spam FireWall also makes CleanTalk the two-step protection from spam bots. Spam FireWall 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. How does it work?

The visitor enters to your web site.
HTTP request data are being checked in the nearly 5.8 million of the identified spam bot IPs.
If it is an active spam bot, the bot gets a blank page, if it is a visitor then he receives a normal page. This process is completely transparent for the visitors.

All the CleanTalk Spam FireWall activity is being logged in the process of filtering.

Spam FireWall: Anti-Flood & Anti-Crawler

Spam FireWall: Anti-Flood and Anti-Crawler options are intended for blocking unwanted bots, content parsing, shop goods prices parsing or aggressive website scanning bots. Learn more https://cleantalk.org/help/anti-flood-and-anti-crawler

By default, well-known good bots — including AI crawlers such as GPTBot (ChatGPT), ClaudeBot (Claude), Google-Extended (Gemini), and Copilot — are allowed. You can choose which of these bots to block individually in your private lists. Blocking a bot will stop the corresponding AI service from accessing your content.

How to protect sites from spam bots without CAPTCHA?

CleanTalk Anti-Spam protects websites from spam bots without using traditional CAPTCHA, reCAPTCHA, or other visitor challenges. Instead of showing CAPTCHA puzzles, the service uses behavioral analysis, invisible JavaScript tests, and a global spam database to detect spam automatically in the background. This CAPTCHA-free anti-spam protection works for contact forms, comments, registrations, and WooCommerce checkouts without creating friction for real visitors. By replacing CAPTCHA with automated spam detection, CleanTalk helps improve usability, accessibility, and conversion rates while still blocking spam effectively.

Sometimes CAPTCHA reminds us of the doodles of a two year old child. For users with vision problems CAPTCHA is an insurmountable obstacle. Users hate captcha. Captcha for users means “hate”. Unreadable CAPTCHA stops about 80% of site visitors. After 2 failed attempts to decipher CAPTCHA 95% of visitors reject further attempts. At the sight of CAPTCHA and after input errors, many visitors leave the resource. Thus, CAPTCHA helps to protect the resource spam both from bots and visitors. CAPTCHA is not a panacea from spam. Doubts concerning the Need for CAPTCHA?

“Ultimately, CAPTCHAs are useless for spam because they’re designed to tell you if someone is ‘human’ or not, but not whether something is spam or not.” Matt Mullenweg

Real-time email validation. Is email real or Not.

It is very important to be sure that the user used his real email address. Spambots very often use fake email addresses, i.e. which addresses do not exist.

CleanTalk will check email addresses for existence in real time.

Non-existing email addresses also entail several other problems for website owners.

You can never contact them by email,
the client will never receive any notifications from you (account activation letter, password recovery, email distribution, notifications, etc.),
if you use email marketing for your clients, then a large number of nonexistent emails in the mailing list may result in your IP address being added to various blacklists of email servers.

Improve your email list with email validation without fake emails.

Blocking disposable & temporary emails

Block fake and suspicious users with disposable & temporary emails to improve email delivery. So, it also prevents malicious activity, spam bots, and internet trolls.

Stops Spam in Search Form

Spam bots can use your search form to make a GET request with spam text. CleanTalk Anti-Spam has the option to protect your website search form from spam bots. Each time, the search generates a new page and if there are many requests, this can create additional load. So, under some conditions, spam searches can be indexed, which affects SEO,

Anti-Spam protection for website search forms repels spam bots.
If your search form gets data too often the CleanTalk Anti-Spam plugin will add a pause and increase it with each new attempt to send data. It saves your web server processor time.
Spam protection allows you to not forbid indexation for the crawler bots if you really need it but simultaneously you will get protection from spam bots.

You will always know what users were looking for on your site.

Disable comments

This option disables comments on your site. You can choose one or several options:

Disable comments for posts
Disable comments for pages
Disable comments for media

When using Disables comments, existing comments will not be deleted and will remain on the pages.

Email, Phones Address Encoder

CleanTalk Anti-Spam offers a feature called “Encode contact data” that is designed to encode all email addresses on the website pages. Encoding email, phontes addresses increases the level of protection of contact data from being abused, parsed, getting spammed and used in spam mailing lists by bots and online criminals. To reveal the encoded email address simply click on it and it will be decoded instantly.

Honeypot field

The option helps to block bots. The honeypot field option adds a hidden field to the form. When spambots come to a website form, they can fill out each input field. Enable this option to make the protection stronger on these forms. Learn more about supported forms here.

\n","downloaded":24200858,"faq":"\n

\nWhy are they spamming me?\n\n

Spammers want to get backlinks from your site to improve their site’s PageRank or redirect your visitors to malicious sites.This level of spam can damage your reputation with readers and commentators if you fail to tackle it. It is not uncommon for some WordPress websites to receive hundreds or even thousands of comments every week. However, by using a CleanTalk plugin, spam can be easily handled by your WordPress website.

\nIs the anti-spam protection safe for mobile visitors?\n\n

Yes, it is. The plugin doesn’t block mobile visitors as well as desktop website visitors. It uses several independent anti-spam tests to decrease the number of false outcomes and to have as low false-positive rate as possible. Multiple anti-spam tests help to avoid false/positive blocks for real website visitors even if one of the tests failed.

\nWhat does the plugin do with spam comments?\n\n

Spam comments are being moved to SPAM folder by default or you can set the option to ban spam comments silently.

\nHow can I test the anti-spam protection?\n\n

Please use the email stop_email@example.com for comments, contacts or signups to see how the anti-spam protection works. Also, you can see the logs for the last 7 days in the Dashboard or look at the folder “Spam” for banned comments.

\nHow does the plugin stop spam?\n\n

Please, note – administrator’s actions are NOT being checked.

The plugin uses several simple tests to stop spammers:

JavaScript anti-spam test. 99% of spam bots don’t have full JavaScript functions support. So, the plugin has the code which can be run by normal visitor and can’t be run by the spam bot.
Email, IP, domain spam activity list entries check. The plugin uses spam activity database online at cleantalk.org, consisting of more than 20 billion spam activity records of IPs, Emails, Domains and ASN. If the sender’s IP or Email is in the database, the sender gets some spam scores. To reduce false/positive rate the plugin not only uses the blacklist test to ban spammers, the sender will be banned when and only when multiple spam tests have been failed.
Comment submit time. Spam bots usually submit the info immediately after the page has been loaded, this happens because spam bots don’t actually fill the web form, they just send $_POST data to the blog. The normal visitor sends the data after several seconds or minutes.

\nWhat about pingback, trackback spam?\n\n

The plugin passes pingbacks without any checks by default. All trackbacks will be blocked if the sender had spam activity.

\nCan I use CleanTalk to remove pending spam comments?\n\n

Yes, you can. The plugin has the option to test all pending comments via database of spam active IP/Email, found spam comments will be moved to Trash folder.

\nHow does the plugin find spam in pending comments or registered accounts?\n\n

The plugin checks all non-spam comments in the blacklist database and shows you those senders who have spam activity on other websites.
\nThere are some differences between blacklist database and API to protect you from spam bot registrations/comments online. Blacklists show all history of spam activity, but our API (which is used in spam tests) relies on other parameters too: last day of activity, number of spam attacks during the last days etc. These mechanisms help us to reduce the number of false outcomes. So, there is nothing strange, if some emails/IPs are not found by bulk comments/accounts test.

To check comments please go here:

\n
WordPress console -> Comments -> Find spam comments
\n

To check users please go here:

\n
WordPress console -> Users -> Find spam users
\n

\nIs the plugin compatible with WordPress MultiUser (WPMU or WordPress network)?\n\n

Yes, the plugin is compatible with WordPress MultiUser. Each blog in multisite environment has individual anti-spam options for the protection from spam bots.

\nAfter the installation I noticed that the number of spam attacks has been increased in the stats\n\n

There are a few reasons for this:

With the indexing of your web-site by the search systems, appearance of external links and better search results position, your web-site attracts more and more spambots.
Non-transparent protection systems like CAPTCHA or question/answer, that don’t have spam attacks stats, don’t let you see the whole picture, or the picture is incomplete.
Counting methods for spam attacks and spam bots are different for different systems, thus the diversity appears. We seek to provide detailed stats.

\nWhy my dummy “spam” comment passed to the WordPress?\n\n

The plugin has several options to detect spam bots and humans. If you just post spammy text like this:

\"I want to sell something\", \"Buy something here..\" and etc\n

the comments will be passed, because the plugin detects sender as a human. So, use special email stop_email@example.com to test the anti-spam functionality or wait a few days to see how the plugin works.

\nIs it free or paid?\n\n

The plugin is free and distributed under the GPLv2 license.

CleanTalk anti-spam plugin works with a cloud base anti-spam service and this plugin is a Software as a service (SaaS).
\nCleanTalk it’s a free plugin that works with premium Cloud Anti-Spam service.
\nhttps://en.wikipedia.org/wiki/Software_as_a_service

The fact that the plugin works with a premium type service is mentioned in the plugin annotation and in its WordPress catalog description.

We are ready to help you with any issue regarding CleanTalk. There are hundreds of environment compositions and we do our best to cover as many as possible.

\nCan I use CleanTalk with cache plugins?\n\n

Anti-spam by CleanTalk doesn’t use static HTML code in its templates, so all anti-spam functions work correctly with any WordPress cache plugins.

\nDoes the plugin protect from spam bots if I use forms with third-party services?\n\n

Yes, it does. Plugin protects web-forms on your websites which send data to third-party servers (like MailChimp). To enable this protection set the option ‘Protect external forms’ in the plugin settings.

\nDoes CleanTalk compatible with Cloudflare?\n\n

CleanTalk is fully compatible with CloudFlare. Service doesn’t filter CloudFlares IP’s (AS13335) through blacklists database, so in this case plugin/service filters spam bots using other anti-spam tests.

\nIs CleanTalk compatible with a content delivery network (CDN)?\n\n

Yes, it is. CleanTalk works with any CDN system, i.e. CloudFlare, MaxCDN, Akamai.

\nCan I use CleanTalk functionality in my plugins?\n\n

Yes, you can. Follow this guide https://cleantalk.org/help/api-check-message

\nI see two loads of script cleantalk_nocache.js. Why do you use it twice?\n\n

This script is used for AJAX JavaScript checking. Different themes use different mechanisms of loading, so we use two methods for loading our script. If you absolutely know what you are doing, you can switch one of the methods off by defining constants in your wp-config.php file:

define('CLEANTALK_AJAX_USE_BUFFER', false); //false - don't use output buffering to include AJAX script, true - use it\n

define('CLEANTALK_AJAX_USE_FOOTER_HEADER', false); //false - don't use wp_footer() and wp_header() for including AJAX script, true - use it\n

\nCan I add exclusions for some pages of my site?\n\n

Yes, you can. There is a special setting in plugin settings.
\nYou could use this guide to learn more: https://cleantalk.org/help/exclusion-from-anti-spam-checking#wordpress

\nCan I not send my personal data to CleanTalk servers?\n\n

Yes, you can exclude your data. There is a special setting in plugin settings.
\nYou could use this guide to learn more: https://cleantalk.org/help/exclusion-from-anti-spam-checking#WordPress_field_exclusions

\nHow to test Spam FireWall?\n\n

Use special IP 10.10.10.10 in URL to test Spam FireWall. For example,

https://cleantalk.org/blog/?sfw_test_ip=10.10.10.10\n

Attention! The incognito mode should be enabled in your browser when you do a test. To enable incognito mode press Ctrl+Shift+N for Chrome, Opera и Safari browsers; press Ctrl+Shift+P for Firefox, Internet Explorer and Microsoft Edge. A full guide to enable Incognito mode is here: https://www.wikihow.com/Activate-Incognito-Mode

\nHow can I enter access key in WPMU version?\n\n

To set up global CleanTalk access key for all websites in WPMU, define constant in your wp-config.php file before defining database constants:

define('CLEANTALK_ACCESS_KEY', 'place your key here');\n

Now, all subsites will have this access key.

\nDoes the plugin work with Varnish?\n\n

CleanTalk works with Varnish, it protects WordPress against spam, but by default the plugin generates a few cookies for the protection from spam bots and it also disables Varnish cache on pages where CleanTalk’s cookies have been stored. To get rid of the issue with cache turn off the option ‘Set cookies’ in the plugin settings.

WordPress console -> Settings -> CleanTalk -> Advanced settings\n

Now the plugin will protect WordPress comments, registrations and most of popular contact forms, but will not protect some of rarely used contact forms.

\nDoes the anti-spam plugin work with Accelerated Mobile Pages (AMP)?\n\n

Yes, it does. But you have to turn off the SpamFireWall and the option ‘Use AJAX for JavaScript check’ in Advanced settigns of the plugin to be fully compatible with Accelerated Mobile Pages.

\nShould I change anything in the plugin’s settings or in my CleanTalk Dashboard when I switch my website from HTTP to HTTPS or vice versa?\n\n

No. You don’t need to change anything in the plugin’s settings or in your CleanTalk Dashboard. The plugin will work regardless of the protocol.

\nSpam Comment Management\n\n

By default, all spam comments are placed in the spam folder, now you can change the way the plugin deals with spam comments:

Move to the Spam folder. All spam comments will be placed to the folder “Spam” in the WordPress Comments section except comments with Stop-Words. Stop-Word comments will be always stored in the “Pending” folder.

You can prevent the proliferation of Spam folder. It can be cleaned automatically using the option “Keep spam comments for 15 days.” Enable this option in the settings of the plugin: WordPress Admin Page -> Settings -> Antispam by CleanTalk -> Advanced settings -> enable “Keep spam comments for 15 days” -> Save Changes.

\n
Move to Trash. All spam comments will be placed to the folder “Trash” in the WordPress Comments section except comments with Stop-Words. Stop-Word comments will be always stored in the “Pending” folder.
\n
\n
Ban comments without moving to WordPress backend. All spam comments will be deleted permanently without going to the WordPress backend except comments with Stop-Words. Stop-Word comments will be always stored in the “Pending” folder.
\n

What comments were blocked and banned can be seen in the Anti-Spam Log here: https://cleantalk.org/my/show_requests?int=week

To manage the actions with spam comments, go to the Control Panel, select the website you want to change the actions for and go to “Settings” under the name of the website.

Please, read more here:
\nhttps://cleantalk.org/help/spam-comment-management

\nIs the plugin EU GDPR compatible?\n\n

Yes, it is. Please read this article,
\nhttps://cleantalk.org/publicoffer#cleantalk_gdpr_compliance

\nIs CleanTalk Google reCAPTCHA alternative?\n\n

Yes, CleanTalk can be used as an alternative to reCAPTCHA, but it works differently.
\nInstead of showing challenges, it blocks spam automatically in the background with no user interaction, improving user experience and conversions.

\nIs CleanTalk an Akismet alternative?\n\n

Yes — CleanTalk can be used as an alternative to Akismet.
\nThey solve the same problem, but CleanTalk protects all site forms (not just comments) and works as a broader, cloud-based anti-spam solution.

\nWill the anti-spam plugin protect my theme?\n\n

Yes, it will. The Anti-spam by CleanTalk is compatible with any WordPress theme.

\nShould I use other anti-spam tools (Captcha, reCaptcha and etc.)?\n\n

CleanTalk stops up to 99.998% of spam bots, so you can disable other anti-spam plugins (especially CAPTCHA-type anti-spam plugins). In some cases several anti-spam plugins could conflict with each other.

\n\n","homepage":"https://cleantalk.org","icons":[{"type":"1x","url":"https://ps.w.org/cleantalk-spam-protect/assets/icon-128x128.gif?rev=3539767"},{"type":"2x","url":"https://ps.w.org/cleantalk-spam-protect/assets/icon-256x256.gif?rev=3539767"}],"installation":"

Installation instructions

\n
Download, install and activate ‘Anti-spam by CleanTalk’.
\n
\n
Get Access key https://cleantalk.org/register
\n
\n
Enter Access key in the settings: WordPress console -> Settings -> Antispam by CleanTalk
\n
\n
Do dummy spam comment (registration or contact message) with email stop_email@example.com. You should see notice: Forbidden. Sender blacklisted.
\n
\n
Done! The plugin is ready to use.
\n

Video guide – Anti-Spam Plugin Installation in WordPress

Important! To test spam protection you must post a dummy submissions as website visitor (use must logged out from WordPress console), because the plugin doesn’t filter submissions from WordPress administrators.

How can setup plugin in WPMU version?

In WordPress multisite version you can switch the plugin to use Global Access key. In this way the plugin doesn’t show any options to enter Access key in plugin settings and doesn’t show Trial banner in WordPress backend. To setup global CleanTalk access key for all websites in WPMS, define constant in your wp-config.php file before defining database constants:

define('CLEANTALK_ACCESS_KEY', 'place your key here');\n

Make it before you activated the plugin. If the plugin already activated, deactivate it and add the code and active it again.
\nNow, all subsites will have this access key.

Manage and control spam protection

Go to Dashboard at the cleantalk.org or use Android, iPhone anti-spam app to manage and control spam protection.

\n","internal_ranking":0,"languages":[{"slug":"es_ES","label":"Spanish (Spain)","count":35445},{"slug":"nl_NL","label":"Dutch","count":33416},{"slug":"ru_RU","label":"Russian","count":30267},{"slug":"fr_FR","label":"French (France)","count":22757},{"slug":"de_DE","label":"German","count":21819},{"slug":"it_IT","label":"Italian","count":16921},{"slug":"sv_SE","label":"Swedish","count":16204},{"slug":"ja","label":"Japanese","count":15367},{"slug":"pt_BR","label":"Portuguese (Brazil)","count":14527},{"slug":"nl_NL_formal","label":"Dutch (Formal)","count":13356},{"slug":"nl_BE","label":"Dutch (Belgium)","count":11331},{"slug":"de_DE_formal","label":"German (Formal)","count":10995},{"slug":"zh_CN","label":"Chinese (China)","count":10541},{"slug":"es_CL","label":"Spanish (Chile)","count":10144},{"slug":"pl_PL","label":"Polish","count":10141},{"slug":"da_DK","label":"Danish","count":6925},{"slug":"nb_NO","label":"Norwegian (Bokmål)","count":6694},{"slug":"pt_PT","label":"Portuguese (Portugal)","count":5969},{"slug":"ca","label":"Catalan","count":4685},{"slug":"de_CH","label":"German (Switzerland)","count":3187},{"slug":"de_CH_informal","label":"German (Switzerland, Informal)","count":3161},{"slug":"sq","label":"Albanian","count":2446},{"slug":"es_CR","label":"Spanish (Costa Rica)","count":1803},{"slug":"de_AT","label":"German (Austria)","count":1666},{"slug":"ckb","label":"Kurdish (Sorani)","count":496}],"last_seen":{"timestamp":1781816006.043,"timezone":"UTC"},"last_updated":{"timestamp":1781757480,"timezone":"UTC"},"last_wordpress_compatible_version":"7.0","latest_num_ratings":10,"latest_rating":4.4,"latest_ratings":{"1":0,"2":1,"3":1,"4":1,"5":7,"links":{"1":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=1","alt":"View all 0 one star reviews"},"2":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=2","alt":"View all 1 two star reviews"},"3":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=3","alt":"View all 1 three star reviews"},"4":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=4","alt":"View all 1 four star reviews"},"5":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=5","alt":"View all 7 five star reviews"},"all":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/","alt":"View all 10 reviews"}}},"minimum_php_version":"7.2","minimum_wordpress_version":"4.7","name":"CleanTalk Anti-Spam. Spam Firewall & Bot protection","num_ratings":3191,"pluginid":"cleantalk-spam-protect","rating":4.8,"ratings":{"1":157,"2":26,"3":20,"4":40,"5":2948,"links":{"1":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=1","alt":"View all 157 one star reviews"},"2":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=2","alt":"View all 26 two star reviews"},"3":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=3","alt":"View all 20 three star reviews"},"4":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=4","alt":"View all 40 four star reviews"},"5":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/?filter=5","alt":"View all 2948 five star reviews"},"all":{"url":"https://wordpress.org/support/plugin/cleantalk-spam-protect/reviews/","alt":"View all 3191 reviews"}}},"reviews":[{"reviewer":"Wintercorn","title":"Good but watch out for their sharp payment practices.","content":"The plugin is good and stops almost all spam. However upgrading to the premium version requires care. The upgrade form automatically selects the three website, three year, extra package with auto-renew. So your £11 plugin could become £55 if you assume clicking the single website option will just work honestly. It's not much cost but I wouldn't continue with this plugin but the client liked it so it stays.","rating":0.25,"created":{"timestamp":1664150400,"timezone":"UTC"}},{"reviewer":"paluh","title":"Great","content":"Great for spam protection, works awesome thanks","rating":0.25,"created":{"timestamp":1668902400,"timezone":"UTC"}},{"reviewer":"Rhizome Networks","title":"I recommend","content":"\nUsing ClanTalk for few years already. Easy to install, easy to manage instances. Do the work. Therefore, I recommend\n","rating":0.25,"created":{"timestamp":1676246400,"timezone":"UTC"}},{"reviewer":"Masum Billah","title":"Awesome","content":"One of the best spam protection plugin","rating":0.25,"created":{"timestamp":1682208000,"timezone":"UTC"}},{"reviewer":"Venutius","title":"It works!","content":"\nI was getting 50 spam registrations a day. This plugin stopped them dead! Fantastic!\n","rating":0.25,"created":{"timestamp":1682812800,"timezone":"UTC"}},{"reviewer":"Krzysztof Planeta","title":"Good but not for WooCommerce","content":"\nThis was my client's second attempt to CleanTalk. The first time we had false positives and even we were sometimes locked in from the store. After 2 or 3 years we started dealing with a ton of spam again, so we gave cleantalk another chance. Today one of our clients messages us saying that they were locked in from making an order. I have no idea how many other orders like that we missed because cleantalk log on their website goes back only 7 days. I think cleantalk is a good overall solution but not if you take any sort of payments on your website. Otherwise your visitors may not be able to make orders. This is occassional, but if an order value ranges from 200 to 10000 euro, this can sometimes hurt.\n","rating":0.1,"created":{"timestamp":1684108800,"timezone":"UTC"}},{"reviewer":"Janine","title":"Comment Spam comments after trial","content":"\nI installed this plugin as I was attacked by spammers in contact form. I never had an issue with spam comments (only contact form).\n\n\n\nAfter the trial phase ended, I got instantly comment spam (that I didn't get before installing the plugin).\n\n\n\n\n\n\n\nAdditionally, I am not even sure if it is aligned with the WordPress guidelines to make registration mandatory (to get key) that is then only limited for some days.\n","rating":0.05,"created":{"timestamp":1687824000,"timezone":"UTC"}},{"reviewer":"cointacted","title":"Working smooth","content":"\nBest anti spam on the planet.\n","rating":0.25,"created":{"timestamp":1690329600,"timezone":"UTC"}},{"reviewer":"-","title":"Reduce my website spam","content":"\nFantastic plugin to reduce website spam. Affordable. But I only use it to stop spam registrations. Would love to have a plugin just for spam registrations so my site doesn't get bloated.\n","rating":0.25,"created":{"timestamp":1694131200,"timezone":"UTC"}},{"reviewer":"Andy","title":"Does what it says it does","content":"\nDoes what it says it will do and does it well. A much better plugin than that other one that I'll not mention.\n","rating":0.25,"created":{"timestamp":1696291200,"timezone":"UTC"}},{"reviewer":"deadko","title":"de momento increible","content":"\nTenía un problema de spam de un comentario nuevo cada 15 minutos y al instalar este plugin lo bloquea todo... muy bien\n","rating":0.25,"created":{"timestamp":1713916800,"timezone":"UTC"}},{"reviewer":"Adam Kotala","title":"Amazing","content":"\nWorks without any hassles. My favorite solution for spam protection.\n","rating":0.25,"created":{"timestamp":1719964800,"timezone":"UTC"}},{"reviewer":"zwareonline","title":"Awesome!","content":"\nMy site was under attack and dozens of spammers per day registered on it. No spam comments, because I used a good spam plugin, but having those annoying emails for users registering on my web with fake email addresses and having to manually delete them every time was time consuming. I tried a lot of plugins and none of them delivered what they promised, the problem continued. Of course, I don't want to disable the option to register, I need that on my site. Finally, I tried CleanTalk, and man, it solved the problem right away. I used the free trial and immediately subscribed before the trial ended. It works wonderfully, one of those plugins with a fair price and are really worth their cost.\n","rating":0.25,"created":{"timestamp":1732924800,"timezone":"UTC"}},{"reviewer":"Web V8","title":"Amazing quality plugin","content":"\nWell built, seemless. The only bad reviews are the cheap skates who do not realise you have to spend to get a decent plugin like this. \n\n\n\nWe actively use CleanTalk on ALL hosting plans in Web V8 :) \n","rating":0.25,"created":{"timestamp":1739664000,"timezone":"UTC"}},{"reviewer":"andy_moyle","title":"Fast support","content":"\nCleanTalk stops spam registrations dead. But it had an issue I reported yesterday. Fixed super fast. Recommended!\n","rating":0.25,"created":{"timestamp":1744761600,"timezone":"UTC"}},{"reviewer":"elialum","title":"Works perfectly with very low system resources","content":"\nWorks perfectly with very low system resources\n","rating":0.25,"created":{"timestamp":1746403200,"timezone":"UTC"}},{"reviewer":"edoswald","title":"ABSOLUTELY OUTSTANDING!","content":"\nCleanTalk wins where Vultr DDoS protection FAILS! I decided to go with ClearTalk after launching our e-commerce site in April, looking for a premium yet affordable anti-spam solution. It immediately got to work, and even though we had only been on the web days and weeks, was already getting spam traffic.\n\n\n\nWell, that changed Memorial Day week. From May 27-28, our CT protected site was hit by a fairly significant spam attack from a hacking group with attackers on several continents. In near real-time, I was watching the Spam Firewall work. And where previous attacks on other sites on our servers brought sites completely down, CT was able to minimize the impact enough that legitimate traffic was at least able to see our site during the attack.\n\n\n\nImmediately after this success, we deployed CT across our other two sites. Apparently, another is a target today. It went to work IMMEDIATELY. \n\n\n\nAt no time has any of this been detected by Vultr's $10/month DDoS protection, nor stopped. We can see it in our server dashboard - server load has improved.\n\n\n\nMy hats off to the CleanTalk team, this was amazing. \n","rating":0.25,"created":{"timestamp":1748563200,"timezone":"UTC"}},{"reviewer":"TKServer","title":"Fantastic","content":"\nVery responsive. Works well. \n","rating":0.25,"created":{"timestamp":1752883200,"timezone":"UTC"}},{"reviewer":"jrobie23","title":"Super Effective and great price","content":"\nVery effective for WooCommerce and standard comment fields.\n","rating":0.25,"created":{"timestamp":1776729600,"timezone":"UTC"}},{"reviewer":"Ivica Delic","title":"CleanTalk works great!","content":"\n... it's the best for me of the bunch of antispam tools I tried so far...\n","rating":0.25,"created":{"timestamp":1780012800,"timezone":"UTC"}}],"screenshots":"

$\"AntiSpam$
AntiSpam settings are easy to use to protect any contact forms. For example - Ninja forms, Fluent forms and etc.
$\"AntiSpam$
AntiSpam plugin rejected a spam bot at the CAPTCHA less registration form. The plugin provides explanation to visitor and websites about each rejected comment/registration or contact message.
$\"Use$
Use AntiSpam analytics tool for each website in service Dashboard to have information about spam/legitimate stats.
$\"Special$
Special interface to find spam comments.
$\"Special$
Special interface to find spammers in users.
$\"Prevent$
Prevent WooCommerce checkout from spammers.
$\"Prevent$
Prevent spam contact occurs in your life.
$\"Prevent$
Prevent any other spamers, from any other forms, for example from WPForms.
$\"\"$
$\"\"$

","short_description":"Top-rated antispam for contact forms, comments, WooCommerce, eCommerce, and login. No CAPTCHAs, no friction, just background anti spam protection.","support_threads":76,"support_threads_resolved":69,"tags":[{"slug":"seo","label":"seo","count":2327},{"slug":"comments","label":"comments","count":1379},{"slug":"email","label":"email","count":1317},{"slug":"login","label":"login","count":1130},{"slug":"contact-form","label":"contact form","count":789},{"slug":"spam","label":"spam","count":757},{"slug":"captcha","label":"captcha","count":299},{"slug":"anti-spam","label":"anti-spam","count":214},{"slug":"firewall","label":"firewall","count":161},{"slug":"antispam","label":"antispam","count":153},{"slug":"bot","label":"bot","count":135},{"slug":"honeypot","label":"honeypot","count":44},{"slug":"akismet","label":"akismet","count":23},{"slug":"contact-form-spam","label":"contact form spam","count":4}],"tags_count":8732,"languages_count":310263,"age_days":5204.744990117743,"installs_per_rating":62.676277029144465,"downloads_per_rating":7584.098401754935,"installs_per_day":38.4264743766967,"downloads_per_day":4649.768249155378,"reviews_per_day":0.6130943986801959,"activation_rate":0.00826416980753327,"version":"6.81","marketplace":"wordpress","marketplace_url":"https://wordpress.org/plugins/cleantalk-spam-protect","price":null,"wordpress_link":{"alt":"WordPress","url":"https://wordpress.org/plugins/cleantalk-spam-protect"}}

Email Posts Commentators vs CleanTalk Anti-Spam. Spam Firewall & Bot protection