WordPress sites often suffer from technical debt. You don't need a massive...

https://wiki-view.win/index.php/Does_Image_Compression_Actually_Help_Rankings_or_Just_Speed%3F_The_Hard_Truth

WordPress sites often suffer from technical debt. You don't need a massive overhaul. Try image compression to boost speeds, fix broken links with Broken Link Checker, and update internal linking to give old posts new life. These shifts move the needle.