Defer Frontend Scripts
Deferring scripts delays their loading until after the page's main content has rendered, dramatically improving initial page load speed.
Minify CSS and JavaScript
Minification removes unnecessary characters (whitespace, comments) from CSS and JavaScript files without changing functionality, reducing file sizes by 20-50%.
File Combination (HTTP/1.1)
File combination merges multiple CSS or JavaScript files into fewer requests. This optimization only benefits HTTP/1.1 and may hurt performance on HTTP/2+.