Fix WordPress Performance Issues With Audits Before Considering a Full Rebuild

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A structured performance audit is often more effective than rebuilding a slow WordPress site from scratch, according to a developer's diagnostic framework. The process centers on three Core Web Vitals: Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS). LCP issues typically stem from oversized images, render-blocking CSS, or slow hosting, while INP problems are often caused by heavy page builders, tracking scripts, and large plugin stacks. CLS can usually be resolved by reserving space for late-loading elements such as ads, fonts, and dynamic banners. The recommended approach is to measure, fix, and re-measure incrementally, treating a full site rebuild as a last resort only when the underlying architecture is confirmed to be the root cause.

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