A faster website! (aka defer.js)
⚡️ 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
srcsetandsizesattributes
💡 Tip: For optimal results, consider disabling optimization features from other plugins (e.g., 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
defer.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.
defer.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
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:
https://wordpress.org/plugins/shins-pageload-magic/
Donate via Paypal
Become a sponsor
Become a stargazer
Report an issue
Released under the GNU General Public License v2 license.
https://code.shin.company/defer-wordpress/blob/master/LICENSE
Copyright (c) 2024 Mai Nhut Tan <shin@shin.company>
| Domain | Exposures | Headers | Last Checked |
|---|---|---|---|
| o*l*s*p*d*o*c*o*s*m*n*k*.pl (WP 5.8.13) | F | Aug 5, 2026 | |
| f*e*c*c*n*t*u*t*o*.com | F | Aug 1, 2026 | |
| f*e*-*e*a*s*o*s.com | F | Jul 31, 2026 | |
| f*e*-*l*t*-*a*h*n*s.com | F | Jul 31, 2026 | |
| n*c*-*v.com (WP 6.4.3) | F | Jul 30, 2026 | |
| t*a*s*e*s*8*.com (WP 7.0.2) | D | Jul 29, 2026 | |
| s*a*l*a*h*.c*.uk | F | Jul 29, 2026 | |
| n*l*.vn | F | Jul 28, 2026 | |
| s*b*r.com | F | Jul 28, 2026 | |
| t*e*r*e*y*a*d*.com (WP 7.0.2) | F | Jul 28, 2026 | |
| l*n*m*r*r*a*.com (WP 7.0.2) | C | Jul 27, 2026 | |
| c*n*d*a*s*o*s*o*f*n.com | F | Jul 26, 2026 | |
| v*v*.ie | F | Jul 26, 2026 | |
| v*r*-*u.com (WP 7.0.2) | F | Jul 26, 2026 | |
| g*a*d*p*i*t*n*s.com (WP 7.0.2) | D | Jul 25, 2026 | |
| h*j*c*s*n.com (WP 7.0.2) | F | Jul 24, 2026 | |
| i*g*n*a*e*r*l*g*a.com (WP 7.0.1) | F | Jul 23, 2026 | |
| s*r*m*n.pl (WP 6.8.6) | F | Jul 21, 2026 | |
| t*r*r*.org | F | Jul 21, 2026 | |
| m*r*e*i*c*e*i.com | D | Jul 20, 2026 | |
| 4*a*.fans (WP 7.0.2) | F | Jul 19, 2026 | |
| k*m*r*c*e*.com | F | Jul 19, 2026 | |
| f*e*d*s*g*u*d.com | F | Jul 18, 2026 | |
| o*n*t*n*.com (WP 6.9.4) | F | Jul 17, 2026 | |
| m*v*u*p*i*s.com | F | Jul 15, 2026 | |
| b*a*s*n*h*e*s.com | F | Jul 14, 2026 | |
| r*a*t*r*c*d*m*s*b*r.com | F | Jul 14, 2026 | |
| r*a*t*r*c*d*m*.com | F | Jul 14, 2026 | |
| r*a*e*t*t*s*b*r.com | F | Jul 14, 2026 | |
| c*a*e*t*r.com | F | Jul 13, 2026 | |
| h*z*r*c*n*r*l*e*m*n*.com (WP 5.7) | F | Jul 13, 2026 | |
| h*z*r*c*n*r*l*n*i*e*r*n*.com (WP 5.7) | F | Jul 13, 2026 | |
| b*s*o*z*n.org (WP 6.9.4) | F | Jul 13, 2026 | |
| c*r*v*s.com (WP 6.7.2) | A | Jul 13, 2026 | |
| e*u*i*.com | F | Jul 11, 2026 | |
| p*a*a*a*j*n*a.org (WP 5.4) | F | Jul 11, 2026 | |
| c*r*r*f*s*i*a*.nl | F | Jul 11, 2026 | |
| s*n*r*i*-*t.pl | F | Jul 11, 2026 | |
| c*e*p*c*n*y*f*i*i*l.com (WP 7.0.1) | F | Jul 10, 2026 | |
| a*l*c*n*d*a*-*l*t*.com | F | Jul 9, 2026 | |
| a*j*t*r*u*.de | F | Jul 9, 2026 | |
| l*o*m*x.com (WP 7.0) | F | Jul 8, 2026 | |
| p*l*g*n*i*d*s*r*a*a*t*q*e*a.com | D | Jul 7, 2026 | |
| m*m*m*k*l*s*s.com (WP 7.0) | F | Jul 6, 2026 | |
| k*n*r*s*h*u*.de | F | Jul 3, 2026 | |
| o*a*e*.com | F | Jul 3, 2026 | |
| n*p*s.store (WP 6.8.3) | F | Jul 2, 2026 | |
| s*b*h*b*.com (WP 6.8.5) | F | Jul 1, 2026 | |
| u*a*d*c*u*t*r*a*e*t*t*.com | F | Jul 1, 2026 | |
| s*n*n*o*i*b*a*d*f*e*l*o*s.com | F | Jun 30, 2026 | |
| p*c*s*o*.nu (WP 7.0) | F | Jun 16, 2026 |