Element Timing API: Measure Render Times Beyond LCP in 2026
Tag any image, price, or button with elementtiming and read its real paint timestamp from PerformanceObserver. Practical RUM setup, cross-origin gotchas, and the new Container Timing trial.
LCP Optimization Articles
fetchpriority and Priority Hints: The Complete LCP Optimization Guide for 2026
The fetchpriority attribute is one of the most precise tools for shaping browser resource loading. Used right, it can shave 200-800ms off your LCP without touching CSS or JavaScript. Here's every legitimate use case, the mistakes that quietly hurt performance, and how to measure real-world impact.