Last month, a client called me in panic. Her online store I helped build was loading so slowly that customers were abandoning their carts before checkout. We ran a quick test – 12 seconds on mobile. That’s business suicide in 2025. Within two hours of following a simple optimization checklist, we got her site down […] The post The Complete WordPress Performance Checklist (Under 3 Seconds in 35 Minutes) first appeared on IsItWP - Free WordPress Theme Detector.