Smush Pro should help resolve all 4 Google PageSpeed Insights image specific recommendations: Efficiently encode images Defer offscreen images Properly size images Serve images in next-gen formats If you’re still seeing any of those in your tests then below are the Smush Pro features you should setup to resolve each PageSpeed recommendation: *Links go to their documentation sections. Serve Images in Next-Gen Formats Resolved by: Smush Pro’s CDN Simply enable our CDN and ensure the “WebP Conversion” setting is enabled and all your images will be served up in WebP format. Properly Size Images Resolved by: Smush Pro’s CDN Another for the Smush CDN. You could resize