High TTFB kills Core Web Vitals scores before the page even renders. Here are 12 actionable tweaks to cut WordPress Time to First Byte under 200ms: PHP OPcache configuration, Redis object caching, FastCGI server-level caching, autoloaded options cleanup, external HTTP request audit, and more.
A complete guide to every WordPress Performance Lab plugin module worth enabling in 2026 — image formats, LCP fetchpriority, speculative loading, embed optimizer, and database health checks. Includes a configuration table and what to skip.
Learn every WordPress lazy loading technique: native loading=lazy, the wp_lazy_loading_enabled filter, iframe lazy loading, comment pagination, and the Intersection Observer API for custom implementations.
