Best blocker plugins for WordPress
The most popular blocker plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Anti-Captcha (anti-spam botblocker) leads with 1K+ active installs, ahead of VPN Guard (200+) and Invalid Traffic Blocker (40+). All 12 plugins tagged “blocker” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 blocker plugins
- 1.
Anti-Captcha (anti-spam botblocker)The most installed blocker plugin, with 1K+ active installs. Rated 4.2 from 5 reviews, last updated 8 years ago. Tested only up to WordPress 4.0.0.
- 2.
VPN Guard200+ active installs. Rated 5.0 from 8 reviews, updated 9 months ago. Tested only up to WordPress 6.9.11.
- 3.
Invalid Traffic Blocker40+ active installs. Only 1 review so far, updated 1 week ago.
- 4.
Disposable Email Blocker20+ active installs. No reviews yet, updated 5 months ago.
- 5.
Disposable Email Blocker10+ active installs. Only 1 review so far, updated 5 months ago.
- 6.
Disposable Email Blocker10+ active installs. No reviews yet, updated 5 months ago.
- 7.
Easy Country Spam Blocker10+ active installs. No reviews yet, updated 2 months ago.
- 8.
SlopStopperFewer than 10 active installs. No reviews yet, updated 8 months ago. Tested only up to WordPress 6.9.11.
- 9.
NetShieldFewer than 10 active installs. No reviews yet, updated 5 months ago. Tested only up to WordPress 6.9.11.
- 10.
Country and Continent BlockerFewer than 10 active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 6.0.18.
All 12 plugins tagged “blocker”
Anti-Captcha (anti-spam botblocker)
Down in the last 7 days:2#6,630by filiw9 years ago
Anti-Captcha is a transparent spam solution that does not require any end-user interaction.
- Installs
- 1K+
- Rating
- 4.2(5)
- Downloads
- 10/day
VPN Guard
Up in the last 7 days:15#12,658by vpndeals9 months ago
Ultimate VPN/Proxy Shield Blocker! Real-time IP defense. Target Anything: Logins, Checkout, Post Types, URLs & more!. 1000 Free Daily API Checks!
- Installs
- 200+
- Rating
- 5.0(8)
- Downloads
- 11/day
Invalid Traffic Blocker
Up in the last 7 days:294#21,800by Michael Akinwumi13 days ago
Protect your site from invalid traffic by blocking suspicious IPs using the IPHub.info API.
- Installs
- 40+
- Rating
- 5.0(1)
- Downloads
- 11/day
Disposable Email Blocker
Up in the last 7 days:361#26,634by Sajjad Hossain Sagor5 months ago
Now You Can Easily Block/Prevent Disposable/Temporary Spam Emails From Submitting on CF7 Form.
- Installs
- 20+
- Rating
- –
- Downloads
- 3/day
Disposable Email Blocker
Up in the last 7 days:10,584#35,525by Sajjad Hossain Sagor5 months ago
Prevent From Submitting Any Disposable/Temporary Emails On GravityForms Forms.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 3/day
Disposable Email Blocker
#44,111by Sajjad Hossain Sagor5 months ago
Prevent Submitting Spammy Disposable/Temporary Emails On WPForms Contact Form.
- Installs
- 10+
- Rating
- –
- Downloads
- 2/day
Easy Country Spam Blocker
#48,300by Medium Interactive2 months ago
Easy Country Spam Blocker is a simple plugin that blocks spam traffic from your website.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
SlopStopper
#53,668by Author GRF8 months ago
Make AI-generated content go dark at the flick of a switch, rehumanizing the web one site at a time.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day
NetShield
Up in the last 7 days:13,643#55,708by Behnam Moradi6 months ago
Scans and blocks unreachable or unwanted external HTTP requests to dramatically optimize WordPress loading speed on restricted networks.
- Installs
- <10
- Rating
- –
- Downloads
- 1/day
Country and Continent Blocker
Down in the last 7 days:2,590#57,700by jack1111114 years ago
Block ips by country and/or continent.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Kaigai Spam Mail Blocker
Up in the last 7 days:5,245#59,363by higherfield9 months ago
Blocks spam submissions from overseas contact forms. Supports Contact Form 7 and Elementor Pro Forms.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Disposable Email Blocker
Down in the last 7 days:1,846#61,130by Sajjad Hossain Sagor5 months ago
Block Disposable/Temporary Spam Emails On Any Ninja Forms From Submitting.
- Installs
- <10
- Rating
- 1.0(1)
- Downloads
- 2/day