Your Site Looks Fine — Until It Loads on a Phone
Most slow sites aren't badly built — they just do too much work to load. This guide walks the critical rendering path step by step, then fixes the four things Lighthouse always flags: CSS, images, JavaScript, and fonts. Includes the delivery layer (CDN, HTTP/3, Brotli, caching) and how to stop performance from eroding after you fix it.
Web PerformanceCore Web VitalsFrontend
