WordPress Development Plugins

Query Monitor is the developer tools panel for WordPress and WooCommerce.

This plugin makes testing Yoast SEO, Yoast SEO add-ons and integrations and resetting the different features a lot easier.

What The File is the best tool to find out what template parts are used to display the page you're currently viewing!

Updates the assets version of all CSS and JS files. Shows the latest changes on the site without asking the client to clear browser cache.

Stop all outgoing emails sent from WordPress.

Making sense of the rewrite mess. Display and play with your rewrite rules.

Adds the current page's template name to the admin bar.

Displays WordPress 5.5's environment type setting in the admin bar and the "At a Glance" dashboard widget.

Want to lock your site for Maintenance or Development? Then this is the right Plugin

Black Bar is an unobtrusive Debug Bar for WordPress developers that attaches itself to the bottom of the browser window.

An implementation of PHP Console as a WordPress plugin. Use Chrome Dev Tools to debug your WordPress installation!

Easily debug WordPress sites using Ray.

See clearly and understand how WordPress rewrite rules work within a simple and clean interface

Adds some small development tools to the admin bar.

Provides support for the PHP session allowing data to be retained from one request to another.

Debug Bar List Script & Style Dependencies is an add-on to WordPress Debug Bar

Shows an admin bar icon indicating your site's search engine visibility status.

Updates the assets version of all CSS and JS files. Shows the latest changes on the site without asking the client to clear browser cache.

A tool for experienced frontend performance engineers to take control over the scripts and styles enqueued on their site.

Stage File Proxy Plugin for Wordpress Development. This plugin IS NOT meant for use on production websites.

Use short codes to dynamically link to your WordPress pages and posts. All you need is the ID. This can come in handy when developing content for Word …

Show a dashboard notification to remind you that 'Discourage Search Engines' is still enabled in the settings.

A plugin to include var-dump package to use dump() function while developing or debugging.

Show us information about WordPress install, PHP, Database and Hosting Server

Easy-to-use plugin for debugging and profiling website loading, SQL queries analysis, help with development, bug fixing, all in configurable popup.

Supercharged CSS & JS Coding for WordPress

Blocs Developer allows you to connect Wordpress site content with the Blocs desktop Mac application.

Now you can easily test your website adding Lorem Ipsum text to your posts by one click.

Puts your WordPress site into maintenance mode by sending a 'Error 503: Access Denied/Forbidden' status to all unauthenticated clients.

This plugin will allow you to secure your development, staging and UAT environments with an http authentication block that can be controlled in admin …

Places development notice for plugins or themes that are in local development. Prevents updating of selected plugins and themes.

Search the file and row (on WordPress) that contain a PHP function or class with a click!

此外掛為 Chun (Mxp.TW) 開發常用外掛整理之批次安裝工具

This mini menu is super comfy: not the big default admin bar, but just a tiny button. Great when you are developing (or maintaining) websites.

Prints an html comment in the footer of every page letting you know which template file of your theme was used for the display.

Redirect requests to non-existent uploaded images to a placeholder service like placehold.it or placekitten.com. For use during development.