Tag archive
INP replaced FID in Core Web Vitals in 2024. I measured the same 220ms of work run in one blocking task vs. sliced with scheduler.yield, via the Event Timing API: 264ms drops to 56ms, with logs and code.
Originally published at https://monstermegs.com/blog/core-web-vitals-update/ Here is a number that...
Google's Core Web Vitals — LCP (Largest Contentful Paint), CLS (Cumulative Layout Shift), and INP...
What >50ms Long Tasks are, why they destroy INP, and how to chunk work with scheduler.yield(), postTask(), and Web Workers to keep the UI responsive.
The slowest app I ever worked on had a perfect performance score. That sentence used to confuse...
Local metrics are the new addition to the performance panel in Chrome DevTools. They provide...