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Ban users by IP, IP Range, host name, user agent and referrer url from visiting your WordPress's blog.

By: Lester Chan.

(22)
Last Updated: 4 months ago
20,000+ active installs
Compatible up to: 4.5.3

SpiderBlocker will block most common bots that consume bandwidth and slow down your server.

By: niteoweb.

(2)
Last Updated: 1 month ago
10,000+ active installs
Compatible up to: 4.5.3

Prevent brute force logins on your WordPress site with Google's reCAPTCHA.

By: ash.matadeen.

(3)
Last Updated: 4 months ago
10,000+ active installs
Compatible up to: 4.4.4

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: 4 years ago
10,000+ active installs
Compatible up to: 3.3.2

This blocks semalt.com, buttons-for-website.com and others with a 403 Forbidden message so that they no longer show up in your Google Analytics stats.

By: mickmel and ashlealanier.

(13)
Last Updated: 4 weeks ago
7,000+ active installs
Compatible up to: 4.5.3

Block Semalt from crawling your website.

By: rynoplugins.

(3)
Last Updated: 2 years ago
6,000+ active installs
Compatible up to: 4.1.12

Protect WooCommerce login, registration and password reset form against spam using Google's No CAPTCHA reCAPTCHA.

By: Collizo4sky.

(15)
Last Updated: 4 months ago
2,000+ active installs
Compatible up to: 4.4.4

This plugin allows WordPress to block over 95% of spam comments using a time-based hash.

By: Steven de Salas.

(0)
Last Updated: 4 years ago
1,000+ active installs
Compatible up to: 3.4.2
(4)
Last Updated: 5 months ago
1,000+ active installs
Compatible up to: 4.4.4

Simple question that blocks most spambots (and paid robots) by making them answer a common sense question

By: edwardw.

(4)
Last Updated: 1 year ago
1,000+ active installs
Compatible up to: 4.3.5

Protect your site against bad bots by trapping them in a virtual blackhole.

By: Jeff Starr.

(6)
Last Updated: 4 months ago
1,000+ active installs
Compatible up to: 4.5.3

WordPress Security Plugin - Perform over 23 Basic Security Activities for your blog and get a free malware scan at the same time! See more details at

By: jremillard.

(0)
Last Updated: 6 years ago
1,000+ active installs
Compatible up to: 3.0.5
(3)
Last Updated: 2 months ago
500+ active installs
Compatible up to: 4.5.3

Hide all Email Addresses from bots by displaying it with JavaScript and Unicode.

By: Patrick de Koning.

(3)
Last Updated: 2 years ago
300+ active installs
Compatible up to: 4.1.12

Replytocom Controller lets remove "?replytocom" from comment reply urls and redirect bots who try to use it anyway.

By: claytonl.

(1)
Last Updated: 3 years ago
300+ active installs
Compatible up to: 3.5.2

Simply uses the HTTP_REFERER to determine if it's from 'Semalt', and blocks it with a nice 403 "Unauthorized" response.

By: Chris Klosowski.

(0)
Last Updated: 1 year ago
200+ active installs
Compatible up to: 4.2.9

3D objects-based CAPTCHA to get rid of spam in comments.

By: Yeriomin A. and Artemev K..

(0)
Last Updated: 4 years ago
100+ active installs
Compatible up to: 3.3.2

Tor Blocker stands for limiting actions to the users that came from Tor nodes, countries or cloud/hosting/vpn providers.

By: hqpeak.

(1)
Last Updated: 2 months ago
100+ active installs
Compatible up to: 4.5.3

SiteBrains blocks spam posts using a completely configurable set of rules. Both interactively as the user types and on our servers upon submission.

By: SiteBrains).

(0)
Last Updated: 5 years ago
100+ active installs
Compatible up to: 3.2.1

This plugin adds a new form of captcha to your Buddy Press registration and comment forms. Use this plugin to prevent bots from spamming your website

By: Deric Johnson.

(1)
Last Updated: 3 years ago
100+ active installs
Compatible up to: 3.8.15

Bloquea el spam de todo tipo de robots con un captcha que es invisible para los usuarios de tu web o blog.

By: elplugin.

(1)
Last Updated: 3 years ago
100+ active installs
Compatible up to: 3.6.1

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