Joomla Revo Theme Optimizer 2.6.7

The plugin provides the passage of Google Lighthouse tests on points:
- Preload key requests
- Ensure text remains visible during webfont load
- Image elements do not have explicit width and height
Improves performance on test point:
- Elimination of resources that block rendering

Script optimization

• Optimize loading custom.js file
• Developer mode to update your Custom JS/CSS files
• Inline or defer loading `theme.js` file
• Move to the Footer and `defer` loading theme icons file
• Move to the Footer theme analytics file
• Move to the Footer theme newsletter file [J3 only]
• Move OSM scripts to the footer [Joomla 3]
• DNS-prefetch/preconnect for Google Analytics script
• Optimize loading jQuery (remove/defer on head/footer)
• Disable Bootstrap.js option [Joomla 3]
• Disable Mootools.js option [Joomla 3]
• Disable/inline loading Joomla messages scripts [Joomla 4] [new]
• Option to defer loading Joomla core.min.js [Joomla 4]
• Partial IE11 support to the theme [new]

Style/CSS optimization

• Disable/inline loading JCE columns CSS styles [new]
• Inline loading and minify to language switcher module styles
• Disable loadind theme.update styles
• Inline loading and minify of custom.css file (less than 15 kb) into the page head
• Disable loading Joomla messages scripts [Joomla 4]
• Disable/inline loading Joomla alert styles [Joomla 4] [new]

Image optimization

• Adds the width and height attributes to the images (if they were specified in the element settings)
• Adds `loading="lazy"` and `decode="async"` attribute for images [new]
• Auto preload for all logo images
• Auto preload for boxed theme background image
• Adjust the image quality using in-theme processing (jpg/webp/png)

Font optimization

• Disable loading Font awesome [J4 only]
• Clear theme fonts cache and adding `link preload` tags
• Auto preload for custom fonts from the child theme (woff/woff2/ttf/eot)
• For font styles, adds font-display: swap; attribute