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

https://mike-wiki.win/index.php/How_to_Conduct_a_Basic_SEO_Audit_Using_Google_Analytics:_A_Practical_Guide

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.