Optimize embedded media files and to get a general overview about loaded filesizes
Here are the few methods to open the File Size Optimizer
Method 1: Hover over the "Save" button in the module editor and click on the "Optimize File Sizes" button
Method 2: Slider Overview Dropdown Options
Method 3: Page/Posts Block Editor
File Size Optimizer Overview
Lists the available module's images that can be optimized. Core JS and CSS are already optimized by default.
2. File Size
Lists the slider module images, JS and CSS file sizes
The image dimension sizes are generated from the WordPress Media Library and have the same aspect ratio.
Recommended suggestions to optimize the module images.
5. Size After Optimization
Estimated overall module file size after optimization.