•Scripts minification: Javascript can be minified to reduce the total scripts size and save bandwidth
•Stylesheets minification: CSS can be minified to reduce the total CSS size and save bandwidth
•HTML minification: The HTML source code can be minified to reduce the total page size and save bandwidth
•Combine multiple JS and CSS files: Javascript and CSS can be combined in single files to minimize the HTTP request overhead
•Adaptive Contents™: this technology makes it possible to generate a lightweight version of the website to raise up the page speed score without losing website functionalities
•Instant Page technology™: Instant Page uses just-in-time preloading. This feature, compatible with both desktop and mobile devices, preloads a page right before a user clicks on it
•Auto configuration and integrated Google PageSpeed: The plugin is capable to find the optimal configuration automatically and integrates the Google PageSpeed test
•Page cache: Integrated and optimized technology for page caching to avoid heavy requests to your server and database
•Defer and preload of assets: CSS, JS and Web Fonts can be loaded in defer, async or preload mode
•Lazy-load images: Images and iframes that are out of view can be lazy-loaded only when the user scrolls down the page to display them
•Lazy-load HTML elements: Heavy HTML elements that slow down the LCP can be easily lazy-loaded
•Images optimization: Large images can be rescaled, resized and optimized on the fly to dramatically reduce the page size and bandwidth
•Optimization of background images: WPSpeed is capable to optimize also images that are set as a background through HTML and CSS styles
•Lossless optimization: Large images in PNG and JPG format can be optimized on the fly using a lossless algorithm
•Srcset creation for images: WPSpeed is capable to automatically create an image srcset using up to 4 differently-sized images for various resolutions
•Images conversion to WebP: Images can be converted in realtime to the WebP next generation format
•Assets removal: It’s possible to remove CSS/JS files and Fonts to avoid the loading of unnecessary resources
•Htaccess optimization: A series of optimizations can be applied to the htaccess file in order to leverage the browser caching
•CSS extraction: WPSpeed is capable to extract basic CSS styles and load them above the fold to avoid render blocking resources
•DOM tree reduction: Excessive DOM elements can be automatically removed and loaded asynchronously
•Combine images: It’s possible to generate a single container image for multiple backgrounds applied through CSS
•HTTP/2 optimizations: WPSpeed works with HTTP/2 compatible servers to enable server push
•CDN support: Links for all assets can be automatically rewritten to point to your CDN domain
•Fix conflicts easily: WPSpeed integrates a powerful exclusions system to fix conflicts due to minification of scripts