Description
Diagnose & Resolve Persistent Google Lighthouse LCP Issue on a WordPress Site Project Overview I’m looking for an experienced WordPress performance engineer to diagnose and resolve a persistent Google Lighthouse Largest Contentful Paint (LCP) issue. This is NOT a general website optimisation project. Please do not apply if your standard approach is to recommend image compression, caching plugins, lazy loading, CDNs, or generic PageSpeed improvements. Those areas have already been investigated. I’m looking for someone with strong technical debugging skills who can identify the root cause of this issue, implement the correct fix, and demonstrate a measurable improvement using Lighthouse. ⸻ The Issue Google Lighthouse (mobile) consistently reports: * Performance score: approximately 70–73 * Largest Contentful Paint (LCP): approximately 5.7–6.0 seconds This occurs across multiple pages, including extremely simple pages. ⸻ What Has Already Been Investigated Server Performance * Excellent TTFB (typically 10–50ms) * Backend performance investigated * No significant PHP or database bottlenecks identified Images * Images optimised * Dynamic Srcset enabled * Test page header image is only 29KB * LCP image downloads quickly Lighthouse Typical breakdown: * TTFB: 10–50ms * Resource Load Delay: ~340ms * Resource Load Duration: ~70–110ms * Element Render Delay: typically between 670ms and 1700ms Lighthouse consistently identifies the page header background image as the LCP element. ⸻ Testin