SmushcompressoptimizeandLazyLoadimages

Smushistheleadingimageoptimizationplugin–optimize,resize,andcompressimages,aswellasconvertingimagestoWebPformatforfasterloadingweb ...,ThepowerfulimageoptimizationpluginforWordPress,blazingfastloadtimes,WPoffloadsmediapluginintegration,andWPRetina2xpluginsupport.

參考資訊如下
Smush

Smush is the leading image optimization plugin – optimize, resize, and compress images, as well as converting images to WebP format for faster loading web ...

WP Smush Pro

The powerful image optimization plugin for WordPress, blazing fast load times, WP offloads media plugin integration, and WP Retina 2x plugin support.