WordPress checker plugins

Make sure your plugins and themes are compatible with newer PHP versions.

Scan and check your WordPress site for PHP, Database (MySQL/MariaDB), and Plugin compatibility to ensure safe upgrades to WordPress 7.0 and beyond.

Get notifications when a visitor loads a page with broken links

Checks plugins for deprecated WordPress functions, known security vulnerabilities and some unsafe PHP functions

Automatically checks installed plugins for known vulnerabilities and provides optional email alerts.

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.

Plugin Check is a validation tool for PHP developers (and a quality checker for end users) to locate undefined functions and methods.

This plugin provides similar posts title to prevent duplicate post title and publish unique post title when adding new post in admin area.

A supplement to the Theme-Check plugin that adds checks for ThemeForest's WordPress Theme Submission Requirements.

Check the accessibility of WordPress post content while editing.

This widget will submit your wordpress RSS feed to feedvalidator.org, and check the results to verify your feed is valid.

Get a notification whenever a 404 is encountered on your web site.

Theme Grep helps to review WordPress themes by automating many searches (greps) used to "snoop around" the theme's code.

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 …

This plugin will detect and show the Minecraft Server Status. Works with any kinds of server.

Will check your serp for the given keyword

> 检测您的主机对 INN 主题的兼容度 > Detect the host environment compatibility for INN theme

A simple and easy way to test your theme or plugin for all the latest WordPress standards and practices. A great theme development tool!

Provides WordPress with a minimum browser compatibility setting. If the end user is not using a compatible browser they are warned.

Easy to check crawling errors of website and export the information to CSV type file

A comprehensive AI SEO analysis tool that performs 40+ checks to optimize your website for AI crawlers and Large Language Models (LLMs).

A plugin that will alert you every time your affiliate links are dead, avoiding the loss of commissions caused by a bad link.

A lightweight plugin for monitoring website availability and basic performance.

Image Alt & Accessibility Checker helper: auto alt text, contrast checks, form scan, and WCAG guidance.

Awebon Plagiarism Checker Plugin checks Plagiarism in your post using Google Custom Search api.

Geo tools is a plugin that focuses on GeoCaching utilities such as statistics display, geochecker...

Checks posts and pages in batches to find and list broken external links.

Catch missing titles, featured images, tags, thin content, and unintended noindex before you publish. English and Japanese UI.