Page Speed
First you have install and activate LiteSpeed Cache and Smush plugin
Disable the lazy loading setting in Smush Plugin : smush -> lazy load -> Deactivate and click bulk smush now
Go to LiteSpeed Cache Plugin :
1 : General Setting -> guest mode ON
2 : Cache Setting -> Purge Tab -> Select the page for which you want to enable caching
3 : Cache Setting -> Purge Tab -> Serve Stale ON
4 : Cache Setting -> Object Tab -> Object Cache ON
5 : Cache Setting -> Browser Tab -> Browser Cache ON
6 : Image Optimization -> Image Optimization Setting Tab -> WebP For Extra srcset ON
7 : page Optimization -> Css Setting Tab -> CSS Minify and Load CSS Asynchronously ON and CSS Combine External and Inline Off
8 : page Optimization -> Js Setting Tab -> JS Minify ON
9 : page Optimization -> WordPress Setting Tab -> WordPress Minify ON
10 : page Optimization -> Media Setting Tab -> Lazy Load Images and Responsive Placeholder and Add Missing Sizes ON