#INP

2 posts

Performance

#performance#javascript#long-tasks#INP#scheduling

Long Tasks and Main Thread Blocking: Breaking Up the Work

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.

Ashish Mar 31, 2026 11 min read
Performance

#performance#core-web-vitals#lighthouse#LCP#INP

Core Web Vitals and Lighthouse: What the Scores Mean

LCP, CLS, INP, and TTFB explained at the technical level. Why lab scores lie, how CrUX data differs, and how to debug each metric in the real world.

Ashish Mar 30, 2026 13 min read