Live Mode:
The live version of WP Compress automatically optimizes your images and scripts in real-time based on the incoming visitors device, browser, screen resolution, location on page and geo-location to help you get the fastest load times around!
It includes Adaptive Images, WebP conversion, Retina support, Lazy Loading and more served over a lightning-fast CDN!
Local Mode:
In local mode, you may optimize individual images, bulk compress your entire media library or even automatically optimize new images on-upload.
There are three optimization levels to choose from and you can select the thumbnails you wish to optimize as well as the WebP and Retina images you want to generate.