Introduction
Joomla Website Optimizer Plugin
Make your website blazing fast.
- It includes a new Css parser
- Automatic critical path css generation which will bring you close to 100 in lighthouse test with no effort
Here are some features provided by this plugin
HTML
- HTML minification
- preserve IE conditional comments
Javascript
- merge files
- minify files
- remove files based on a pattern
- async loading
- move javascript to the bottom of the page
CSS
- merge files
- minify files
- remove files based on a pattern
- async loading
- web fonts preloading
- automatic critical css generation
Images
- automatically resize images
- convert to avif and webp
- generate responsive images
- generate preview images
- lazyloading images
- generate responsive css background images
Performance
- automatic critical css path generation
- configurable HTTP caching headers
- optimizations are enforced when the client sends Save-Data HTTP header
- dns prefetch
- profile plugin performance using HTTP server timing headers
- precompressed cached files using brotli or gzip.
Service Worker
- enable service worker
- offline first support
- background sync
- web share target level 2
- web push notifications using One Signal
- immediately update the service worker when the manifest settings change
Content Security Policy (CSP)
Configure almost every csp level 3 settings to your liking:
- disable inline scripts and css
- block css, js, workers, frames, etc.
- allow css and js from specific origin only
- dynamic csp rules generation from the page content
Security
- Sub Resource Integrity
- HSTS header configuration
- XSS-PROTECTION header configuration
- X-Frames-Options configuration
Hotlink Protection
- configure file type that use hotlink protection
- configure link lifetime
The complete list of features is available in the online documentation
and the change log
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