WordPress Javascript Plugins

Create custom "Shortcodes" easily for HTML, JavaScript, CSS code snippets and use the shortcodes within posts, pages & widgets

Get information about calls to deprecated jQuery features in plugins or themes.

Async Javascript lets you add 'async' or 'defer' attribute to scripts to exclude to help increase the performance of your WordPres …

Enables browsers to speculatively prerender or prefetch pages to achieve near-instant loads based on user interaction.

This plugin allows Admin users to individually add HTML, custom CSS, Classes and JavaScript directly to Post, Pages or any other custom post types.

This plugin updates jQuery to the latest stable version on your website.

Simple plugin to add script to header and footer for individual pages & posts

Lazy loading for images and iframes makes your site load faster and saves bandwidth. Uses no external JS libraries and degrades gracefully for non-js …

Offloads select JavaScript execution to a Web Worker to reduce work on the main thread and improve the Interaction to Next Paint (INP) metric.

Easily add custom CSS and JavaScript code to your WordPress site, with draft previewing, revisions, and minification!

Add CSS, JavaScript, PHP and HTML code snippets to your site. For AI-powered snippets, get our free plugin here: wpsnippets.ai

Code Embed provides a very easy and efficient way to embed code (JavaScript, CSS and HTML) in your posts and pages.

Allows your site to use common javascript libraries from Google's AJAX Libraries CDN, rather than from WordPress's own copies.

Lets you use raw HTML or any other code in your posts. You can also disable smart quotes and other automatic formatting on a per-post basis.

A lightweight plugin that automatically minifies, compresses, and caches HTML, CSS, and JavaScript on demand to improve your website’s load speed.

Move your scripts to the footer to help speed up perceived page load times and improve user experience.

Enables fancybox on all image links including BMP, GIF, JPG, JPEG, and PNG links.

WPGatsby is a free open-source WordPress plugin that optimizes your WordPress site to work as a data source for Gatsby. This plugin must be used in c …

Add custom Javascript/HTML/CSS codes to the page head without editing the template.

A JS widget (can be used in posts) for displaying an archive list with some effects.

Easily create, build and deploy React apps into your existing WordPress sites.

The ultimate snippet manager for WordPress. Create and manage custom HTML, CSS, or JS code snippets and control where and when they are displayed.

Shadowbox is an online media vieiwing application similar to Lightbox and Thickbox but with more functionality. Supports all types of media.

A simple Gutenberg block and JS widget (can be called from posts) for displaying categories in a list with some effects.

Darkens the current page and displays an image (like Lightbox, Thickbox, etc.), but is a lot smaller (10KB) and faster.

Move all the possible JavaScript files from head to footer and improve page load times.

A shortcode for displaying a slideshow of image attachments for a post.

[Fixed] This plugin uses the Minify engine to combine and compress JS and CSS files to improve page load time.

This plugin adds the Modernizr to your WordPress installation.

Defer the loading of all JavaScripts added with wp_enqueue_script(), using LABJS (an asynchronous javascript library).

Custom CSS and JavaScript allows you to add custom internal and external CSS and JavaScripts to individual posts.

WP Custom CSS JS plugin allows you to add any HTML, CSS, Javascript, jQuery or Tracking Pixel easily on your wordpress site right from your dashboard.

Converts render-blocking CSS and JS files into NON-render-blocking, improving performance of web page.

Makes your website faster by combining all Google Fonts in a single request. Your websites gets a higher PageSpeed score which is good for SEO.

add jquery lazy loading to images

Autover plugin will automatically version your CSS and JS files in the generated html page (e.g. style.css?ver=1359464809).