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

https://www.bookmarkingtraffic.win/i-ve-fixed-many-neglected-wordpress-sites-that-lost-traffic-to-technical-rot

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.