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It blocks spam posts, login attempts and malicious access to the back-end requested from the specific countries, and also prevents zero-day exploit.

By: tokkonopapa.

(38)
Last Updated: 3 weeks ago
10,000+ active installs
Compatible up to: 4.7.1
(15)
Last Updated: 3 weeks ago
10,000+ active installs
Compatible up to: 4.7.1

To protect your Blog from automated spambots, this plugin adds invisible formfields to your comment form.

By: kubi23.

(12)
Last Updated: 4 days ago
10,000+ active installs
Compatible up to: 4.7.1

Ergänzt das Kommentarformular um datenschutzrechtliche Hinweise bei Nutzung des Plugins Akismet.

By: Inpsyde GmbH and Frank Bueltge.

(1)
Last Updated: 2 months ago
10,000+ active installs
Compatible up to: 4.7.1

Smart invisible captcha for wordpress comments

By: Andrey Sorvin.

(11)
Last Updated: 4 years ago
10,000+ active installs
Compatible up to: 3.5.2

Obfuscate email addresses to deter email harvesting spammers, while retaining the appearance and functionality of hyperlinks.

By: Scott Reilly.

(9)
Last Updated: 7 months ago
10,000+ active installs
Compatible up to: 4.5.5

Protect WordPress login, registration, comment and BuddyPress registration forms with Google's No CAPTCHA reCAPTCHA.

By: Collizo4sky.

(59)
Last Updated: 10 months ago
10,000+ active installs
Compatible up to: 4.4.6

This plugin prevents users from commenting or viewing your website if a comment of theirs has been marked as spam.

By: Lelkoun.

(4)
Last Updated: 5 years ago
10,000+ active installs
Compatible up to: 3.3.2

Client-side javascript blocks all spam bots. XHTML 1.1 compliant.

By: and Donncha O Caoimh.

(2)
Last Updated: 7 years ago
10,000+ active installs
Compatible up to: 3.0.5

The AVH First Defense Against Spam plugin gives you the ability to block spammers before any content is served.

By: petervanderdoes.

(14)
Last Updated: 6 months ago
10,000+ active installs
Compatible up to: 4.5.5

A plugin to remove all pending comments from your DB in one click.

By: mikestrand.

(23)
Last Updated: 1 year ago
10,000+ active installs
Compatible up to: 4.4.6

追求最佳用户体验的社会化评论框,为中小网站提供新浪微博、QQ、人人、开心、豆瓣等多帐号登录并评论功能。

By: shen2.

(11)
Last Updated: 1 year ago
9,000+ active installs
Compatible up to: 3.6.1

Asks the visitor making the comment to answer a simple math question. This is intended to prove that the visitor is a human being and not a spam robot

By: Michael_.

(1)
Last Updated: 6 years ago
9,000+ active installs
Compatible up to: 3.0.5

This plugin allows administrators to globally delete comments (spam, trash, unapproved comments), enable/disable comments on all posts.

By: Yakup Hoca.

(13)
Last Updated: 4 years ago
8,000+ active installs
Compatible up to: 3.5.2

This plugin prevents spam referrer attacks by filtering your incoming traffic.

By: Didier Sampaolo.

(14)
Last Updated: 2 years ago
8,000+ active installs
Compatible up to: 4.1.14

WPCommentCleaner is a very simple tool which can batch process SPAM, un-apporved and approved comments.

By: WordPressLover.com.

(15)
Last Updated: 4 years ago
8,000+ active installs
Compatible up to: 3.5.2

Sabre is an acronym for Simple Anti Bot Registration Engine. It's a set of counter measures against spam registration on your blog.

By: dlo.

(11)
Last Updated: 5 years ago
8,000+ active installs
Compatible up to: 3.3.2

Performs a simple but very effective test on all incoming trackbacks in order to stop trackback spam.

By: Michael_.

(3)
Last Updated: 9 years ago
7,000+ active installs
Compatible up to: 2.9.2
(23)
Last Updated: 7 months ago
7,000+ active installs
Compatible up to: 4.6.2

Several types of captcha to protect your site in one easy to use plugin.

By: wppal.

(10)
Last Updated: 4 years ago
6,000+ active installs
Compatible up to: 3.5.2
(4)
Last Updated: 5 months ago
6,000+ active installs
Compatible up to: 4.6.2

WP Anti Spam can anti automated spambots or anti spams by"comment","ip","name","email","url".

By: boliquan.

(3)
Last Updated: 2 years ago
6,000+ active installs
Compatible up to: 4.0.14
(29)
Last Updated: 3 months ago
5,000+ active installs
Compatible up to: 4.6.2

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