Best checker plugins for WordPress
The most popular checker plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Broken Link Notifier leads with 1K+ active installs, ahead of Force Update Check for Plugins and Themes (200+) and jwp-a11y (100+). All 22 plugins tagged “checker” 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 checker plugins
- 1.
Broken Link NotifierThe most installed checker plugin, with 1K+ active installs. Rated 4.8 from 14 reviews, updated 1 month ago.
- 2.
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.
- 3.
jwp-a11y100+ active installs. Only 1 review so far, updated 2 months ago.
- 4.Similar post-title checker
90+ active installs. Rated 4.8 from 9 reviews, last updated 6 years ago. Tested only up to WordPress 5.1.0.
- 5.ThemeForest-Check
80+ active installs. Rated 4.3 from 7 reviews, last updated 13 years ago. Tested only up to WordPress 3.6.1.
- 6.RSS Feed Checker
60+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.3.2.
- 7.Theme Grep by BoldGrid
20+ active installs. No reviews yet, updated 2 months ago.
- 8.INN 主题环境检测器 (INN Theme Detector)
10+ active installs. No reviews yet, last updated 3 years ago. Tested only up to WordPress 6.0.99.
- 9.Minecraft Server Status Checker
10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.3.2.
- 10.Google SERP Checker WP Plugin
10+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 2.5.1.
All 22 plugins tagged “checker”

Broken Link Notifier
Up in the last 7 days:14#5,502by PluginRx1 month ago
Get notifications when a visitor loads a page with broken links
- Installs
- 1K+
- Rating
- 4.8(14)
- Downloads
- 34/day

Force Update Check for Plugins and Themes
#12,580by 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

jwp-a11y
Up in the last 7 days:12#15,504by jidaikobo2 months ago
Check the accessibility of WordPress post content while editing.
- Installs
- 100+
- Rating
- 5.0(1)
- Downloads
- 11/day
Similar post-title checker
Up in the last 7 days:32#16,861by 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
ThemeForest-Check
Down in the last 7 days:287#17,573by 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
RSS Feed Checker
Down in the last 7 days:20#19,580by shake1086114 years ago
This widget will submit your wordpress RSS feed to feedvalidator.org, and check the results to verify your feed is valid.
- Installs
- 60+
- Rating
- –
- Downloads
- 11/day
Theme Grep by BoldGrid
Down in the last 7 days:772#27,294by 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
INN 主题环境检测器 (INN Theme Detector)
Up in the last 7 days:1,283#33,186by kmvan3 years ago
> 检测您的主机对 INN 主题的兼容度 > Detect the host environment compatibility for INN theme
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Minecraft Server Status Checker
Up in the last 7 days:982#33,692by verblick14 years ago
This plugin will detect and show the Minecraft Server Status. Works with any kinds of server.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Google SERP Checker WP Plugin
#38,569by Thamizhchelvan16 years ago
Will check your serp for the given keyword
- Installs
- 10+
- Rating
- –
- Downloads
- 1/day
GNA Crawling Errors
Down in the last 7 days:6,152#43,348by Chris Mok10 years ago
Easy to check crawling errors of website and export the information to CSV type file
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
CampusPress Code Check
#46,505by 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

Color Changer
Down in the last 7 days:5,374#48,215by 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

GAISEO
#48,443by cosimavogel8 months ago
A comprehensive AI SEO analysis tool that performs 40+ checks to optimize your website for AI crawlers and Large Language Models (LLMs).
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

China Visa Check
Up in the last 7 days:9,921#52,384by chinavisacheck18 days ago
Free China visa checker for your site: visitors pick their passport and see if they need a visa for China. 194 passports, 10 languages.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

DevAura Accessibility Scanner
Up in the last 7 days:5,117#58,359by DevAura1 month ago
Scan site pages, diagnose WCAG 2.2 accessibility violations, explain why they matter, and offer suggested fixes.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Kandeshop Broken Links Checker
Up in the last 7 days:10,388#62,954by Darren Kandekore11 months ago
Checks posts and pages in batches to find and list broken external links.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

gRDV Anchor Transition
Down in the last 7 days:14,295#63,047by grdv2 months ago
Hide abrupt anchor jumps and fast scroll-to-anchor movement, style a back-to-top button, and find broken anchors on the page.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Image Alt & Accessibility Checker
Up in the last 7 days:4,123#63,288by Promith Karmakar4 months ago
Image Alt & Accessibility Checker helper: auto alt text, contrast checks, form scan, and WCAG guidance.
- Installs
- <10
- Rating
- 5.0(2)
- Downloads
- 0/day

NOTA Prepublish Checker
Up in the last 7 days:3,272#67,499by notalabs6 months ago
Catch missing titles, featured images, tags, thin content, and unintended noindex before you publish. English and Japanese UI.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Geo Tools
Down in the last 7 days:16,367#71,254by verturin2 months ago
Geo tools is a plugin that focuses on GeoCaching utilities such as statistics display and geochecker.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day