Best check plugins for WordPress
The most popular check plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WP-Cron Status Checker leads with 5K+ active installs, ahead of Cron Setup and Monitor (1K+) and Email Test (1K+). All 43 plugins tagged “check” 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 check plugins
- 1.
WP-Cron Status CheckerThe most installed check plugin, with 5K+ active installs. Rated 3.5 from 8 reviews, updated 2 weeks ago.
- 2.
Cron Setup and Monitor1K+ active installs. Only 2 reviews so far, updated 2 months ago.
- 3.Email Test
1K+ active installs. Only 3 reviews so far, last updated 5 years ago. Tested only up to WordPress 5.7.21.
- 4.
Plugins Condition & Site Check1K+ active installs. Rated 4.5 from 8 reviews, updated 1 week ago.
- 5.
Child Theme Check700+ active installs. Rated 5.0 from 8 reviews, updated 5 months ago.
- 6.
Anti Spam and list cleaner400+ active installs. Only 4 reviews so far, updated 3 months ago.
- 7.File Permissions & Size Check
300+ active installs. Only 4 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.
- 8.Checkmail validation for Contact Form 7
300+ active installs. Rated 4.1 from 9 reviews, last updated 14 years ago. Tested only up to WordPress 3.4.2.
- 9.Utánvét Ellenőr
200+ active installs. Only 3 reviews so far, updated 4 days ago.
- 10.
Force Update Check for Plugins and Themes200+ active installs. Rated 5.0 from 5 reviews, last updated 2 years ago. Tested only up to WordPress 6.6.11.
All 43 plugins tagged “check”

WP-Cron Status Checker
Down in the last 7 days:7#3,159by webheadcoder19 days ago
If WP-Cron runs important things for you, you better make sure WP-Cron always runs!
- Installs
- 5K+
- Rating
- 3.5(8)
- Downloads
- 103/day

Cron Setup and Monitor
Down in the last 7 days:20#6,429by berkux2 months ago
Manage cron jobs, monitor tasks, retry failures, and send email alerts when something goes wrong.
- Installs
- 1K+
- Rating
- 3.0(2)
- Downloads
- 17/day
Email Test
Down in the last 7 days:18#6,553by SiteAlert5 years ago
Test your site's email to make sure emails are being sent and delivered.
- Installs
- 1K+
- Rating
- 5.0(3)
- Downloads
- 11/day

Plugins Condition & Site Check
Down in the last 7 days:13#6,929by Katsushi Kawamori13 days ago
Display plugins condition and performs a basic site check.
- Installs
- 1K+
- Rating
- 4.5(8)
- Downloads
- 36/day

Child Theme Check
Down in the last 7 days:10#7,682by Torsten Landsiedel5 months ago
Warns you about outdated template files in your child theme and shows a diff view of the changes between parent and child theme template.
- Installs
- 700+
- Rating
- 5.0(8)
- Downloads
- 10/day

Anti Spam and list cleaner
Up in the last 7 days:43#9,597by AcyMailing Newsletter Team3 months ago
Block fake accounts and delete users using a fake email address
- Installs
- 400+
- Rating
- 5.0(4)
- Downloads
- 11/day
File Permissions & Size Check
Down in the last 7 days:117#10,672by wycks13 years ago
Simple plugin that checks your WordPress install and shows your file permissions, size, and last modified date.
- Installs
- 300+
- Rating
- 4.8(4)
- Downloads
- 6/day
Checkmail validation for Contact Form 7
Down in the last 7 days:10#11,045by Paolo Rossi (Ipalo)14 years ago
Add a double email check field to Contact Form 7.
- Installs
- 300+
- Rating
- 4.1(9)
- Downloads
- 5/day
Utánvét Ellenőr
Down in the last 7 days:166#11,501by otto.radics4 days ago
Connect your WooCommerce site to our SaaS available at https://utanvet-ellenor.hu Register to obtain API keys.
- Installs
- 200+
- Rating
- 5.0(3)
- Downloads
- 17/day

Force Update Check for Plugins and Themes
Down in the last 7 days:53#12,532by WP Zone2 years ago
The Force Update Check For Plugins And Themes will run each time this page is loaded. Update statuses may still be cached by third-party updaters.
- Installs
- 200+
- Rating
- 5.0(5)
- Downloads
- 0/day
WP Simple SpamCheck
Down in the last 7 days:10#13,029by sdesalas14 years ago
This plugin allows WordPress to block over 95% of spam comments using a time-based hash.
- Installs
- 100+
- Rating
- –
- Downloads
- 0/day

Save Post. Check Links.
Up in the last 7 days:43#14,566by pluginkollektiv7 months ago
Verifies URLs of links in your content are reachable when saving a post in WordPress.
- Installs
- 100+
- Rating
- 5.0(6)
- Downloads
- 5/day
Similar post-title checker
Down in the last 7 days:49#16,894by Morteza Geransayeh6 years ago
This plugin provides similar posts title to prevent duplicate post title and publish unique post title when adding new post in admin area.
- Installs
- 90+
- Rating
- 4.8(9)
- Downloads
- 0/day
WP Plugin Security Check
Up in the last 7 days:13#17,271by ldebrouwer15 years ago
WP Plugin Security Check checks if your WordPress plugins are 'safe'.
- Installs
- 90+
- Rating
- –
- Downloads
- 0/day
ThemeForest-Check
Down in the last 7 days:303#17,616by Japh13 years ago
A supplement to the Theme-Check plugin that adds checks for ThemeForest's WordPress Theme Submission Requirements.
- Installs
- 80+
- Rating
- 4.3(7)
- Downloads
- 0/day

SeamlessChex eCheck Payments
Up in the last 7 days:307#22,441by Seamless Chex24 days ago
SeamlessChex is the easiest way to Accept & Verify eCheck Payments on your website with fast next day deposits directly to your bank account.
- Installs
- 40+
- Rating
- 5.0(1)
- Downloads
- 11/day
WP Health Check
Up in the last 7 days:29#22,876by brijeshk8913 years ago
WP Health Check scans your WordPress installation and reports any security issues with your site.
- Installs
- 40+
- Rating
- –
- Downloads
- 0/day

System Requirements Check
Down in the last 7 days:445#23,338by Ethan Lin5 months ago
Checks for the specified version of the operating systems, web browsers, screen resolution, IP address, Flash Player, JRE, cookie, and Javascript.
- Installs
- 30+
- Rating
- 4.5(2)
- Downloads
- 0/day

Check Missing Featured Images
Up in the last 7 days:51#24,071by termel6 years ago
Checks whether some posts are missing their featured images, tipically after a migration from another site.
- Installs
- 30+
- Rating
- 5.0(1)
- Downloads
- 4/day
Theme Grep by BoldGrid
Down in the last 7 days:993#27,413by BoldGrid2 months ago
Theme Grep helps to review WordPress themes by automating many searches (greps) used to "snoop around" the theme's code.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day

Vulnerabilities Check
#29,518by sensorete11 years ago
Check for known vulnerability of wordpress, plugins and themes. At the end, you can request a quote for assistance.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Incompatibility Status
Down in the last 7 days:389#30,747by Ingo Steinke (openmindculture)2 months ago
Incompatibility Status adds a status message to the admin dashboard to display possible incompatibility issues using the block editor and full-site ed …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Bank Slip for Woocommerce
Down in the last 7 days:286#32,279by NOUS Open Usefull & Simple11 months ago
Generates bank slips for checks, cash or all other payment method.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Real-time TITLE Checker
#33,910by reik12008 years ago
Real-time TITLE Checker is a plug-in that allows you to quickly search, narrow down, and check article titles that match keywords entered in the title …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Color Changer
Up in the last 7 days:12,261#34,832by rahulraykor8 years ago
Color Changer is there to help you out when you get bored of seeing the black & white colors of the editor. Click in the Color Changer Button and …
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

Space Checker
#35,541by vladyslav11 years ago
Plugin to check free and used space on the server. Plugin can send mail to administrator and activate read-only mode
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Check Baidu Result
Down in the last 7 days:3,012#40,493by Arefly12 years ago
检查你的文章是否在百度搜索结果内
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

Check-Mail-SMTP
#42,197by jploftsocial7 years ago
Configure a SMTP server to send email from your WordPress site. Configure the wp_mail() function to use SMTP instead of the PHP mail() function.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
CampusPress Code Check
Up in the last 7 days:1,890#43,068by Ignacio Cruz Moreno9 years ago
A simple and easy way to test your theme or plugin for all the latest WordPress standards and practices. A great theme development tool!
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

hiWeb Memory Usage
Up in the last 7 days:4,093#43,237by Den Media10 years ago
A small plug on the measurement of memory used on the site is the site PHP level. Небольшой плагин, замеряющий использованный объем памяти текущей стр …
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 1/day
abuse.ch httpBL check
Down in the last 7 days:7,671#43,561by samsx16 years ago
This plugin checks if a visitor is listed on httpBL.abuse.ch.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Live username availability checking
Down in the last 7 days:296#45,498by Arthur Gay12 years ago
A plugin for live username availability checking.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Check Google Result
Up in the last 7 days:190#45,832by Arefly12 years ago
Check your post whether it is in Google Search Result.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
WP-LinkCheck
#46,036by Cheung Tat Ming16 years ago
WP-LinkCheck is a lightweight plugin ability to check all image sources are broken inside your WordPress blog.
- Installs
- 10+
- Rating
- –
- Downloads
- 5/day
Offline Updater
Down in the last 7 days:4,483#46,113by Link7 years ago
For those sites can't update online, like some read-only cloud or recover-after-restart server, now you can just check out those updating files a …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Browser Check
#47,039by Yarick10 years ago
Check browser version, JavaScript, Cookie, Adobe Flash Player version. Warn user if old.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Links synthesis
Down in the last 7 days:283#47,172by KaizenCoders10 years ago
This plugin enables a synthesis of all links and the creation of thumbnail for links in an article and retrieves data from them.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
Deltadromeus Email Checker
Up in the last 7 days:18,179#50,760by Deltadromeus7 years ago
Easily add your custom Deltadromeus Email Checker script URL to your website in order to use Email Checker service. Easily enable or disable email add …
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day

Hey Check It
Up in the last 7 days:428#57,923by Doug Black4 years ago
Adds your Hey Check It Verification Code to your WordPress site.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day