WordPress plugin intelligence profile

A faster website! (aka defer.js)

🚀 Unleash the power of cutting edge WordPress optimization tech. 💯 SEO-Optimized and 🎯 Effortlessly User-Friendly!

WP PlugIndex snapshot

Current directory snapshot

Tested up to WordPress 6.8
Current version3.0.1
WordPress coverageTested up to WordPress 6.8
Minimum stackWP 4.0 · PHP 7.2
Directory statusactive
Last directory update2 Sept 20251y ago
Active installations200Adoption metric — not a quality score
WordPress.org rating4.9 / 5 from 45 ratings
Official packageDirect from WordPress.org

Repository metrics are context, not quality scores. Active installations measure adoption and can strongly reflect a plugin’s age and historical popularity. Ratings, recent updates and “Tested up to” metadata also do not guarantee modern code, error-free operation, security, feature completeness or suitability for a particular site. Why active installs don’t tell the whole story →

WP PlugIndex currently records A faster website! (aka defer.js) version 3.0.1 as active, updated 1y ago and tested up to WordPress 6.8.

Overview

About this plugin

⚡️ Experience lightning-fast load times with our native, blazingly quick lazy loader. ✅ Backward compatible with legacy browsers (IE9+). 💯 SEO-optimized.

🧩 Lazy-load everything.

This plugin empowers you to optimize a wide range of elements, including images, videos, audio, iframes, stylesheets, and JavaScript, for a seamless user experience.

Leveraging tips from seasoned web experts and harnessing the latest web technologies for resource lazy-loading, this plugin ensures your website operates at peak efficiency, providing your visitors with a lightning-fast browsing experience.

If you find this plugin valuable, please consider leaving a 5-star review (⭐️⭐️⭐️⭐️⭐️) to support my efforts.

What People Love

  • ⚡️ Native API, blazingly fast performance
  • 👍 Support for legacy browsers (IE9+)
  • 🥇 SEO-friendly optimization
  • ✅ Incredibly easy to use
  • 💯 No dependencies, no jQuery required
  • 🤝 Works seamlessly with your favorite frameworks
  • 🧩 Utilizes IntersectionObserver API for optimized CPU usage
  • 🏞 Supports responsive images with srcset and sizes attributes

, lazy-loading, HTML minification, JS minification).

We recommend using this plugin alongside another page-caching solution for best performance.

Browser support

This plugin also works perfectly on popular browsers, including Internet Explorer 9 and later.

  • 🖥 IE9+ / Microsoft EDGE
  • 🖥 Firefox 4+
  • 🖥 Safari 3+
  • 🖥 Chrome
  • 🖥 Opera
  • 📱 Android 4+
  • 📱 iOS 3.2+

Powered by defer.js, defer.php

js

🥇 A super small, super efficient library that helps you lazy load almost everything like images, video, audio, iframes as well as stylesheets, and JavaScript.

php

🚀 A PHP library that focuses on minimizing payload size of HTML document and optimizing processing on the browser when rendering the web page.

Key features

  • [x] Embed defer.js plugin
  • [x] Normalize DOM elements
  • [x] Fix missing meta tags
  • [x] Fix missing media attributes
  • [x] Preconnect to required origins
  • [x] Preload key requests
  • [x] Prefetch key requests
  • [x] Browser-level image lazy-loading for the web
  • [x] Lazy-load offscreen and hidden iframes
  • [x] Lazy-load offscreen and hidden videos
  • [x] Lazy-load offscreen and hidden images
  • [x] Lazy-load CSS background images
  • [x] Reduce the impact of JavaScript
  • [x] Defer non-critical CSS requests
  • [x] Defer third-party assets
  • [x] Add fallback <noscript> tags for lazy-loaded objects
  • [x] Add custom HTML while browser is rendering the page (splashscreen)
  • [x] Attribute to ignore optimizing the element
  • [x] Attribute to ignore lazyloading the element
  • [x] Optimize AMP document
  • [x] Minify HTML output

Support my activities

Keep up-to-date with new releases:

org/plugins/shins-pageload-magic/

Donate via Paypal

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Report an issue

Released under the GNU General Public License v2 license.

company/defer-wordpress/blob/master/LICENSE

company >

WordPress.org metadata

Plugin tags

Topics listed for this plugin in the WordPress.org directory.

  • defer js
  • lazyload
  • optimize
  • pagespeed
  • performance
Compatibility & maintenance

Compatibility & maintenance

Tested up to WordPress 6.8

Not yet marked as tested with WordPress 7.1. WordPress.org currently lists Tested up to 6.8.

Current WordPress releaseWordPress 7.1
WordPress.org Tested up to6.8
Minimum requirementsWordPress 4.0 · PHP 7.2
Update activity2 Sept 20251y ago

“Tested up to” is directory metadata supplied by the plugin author. WP PlugIndex does not turn an older declaration into a claim that the plugin is incompatible.

Changes recorded by WP PlugIndex

Recent tracked changes

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Tracking & source

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