Off-Main-Thread Articles

Tutorials Mar 06, 2026

Web Workers for Performance: Offload the Main Thread and Fix Your INP

Move heavy JavaScript off the main thread with web workers and watch your INP score drop. Practical examples with Comlink, Partytown, transferable objects, and SharedArrayBuffer — plus how to measure the real impact on Core Web Vitals.

Editorial Team 17 min read

Tutorials Mar 06, 2026

Service Worker Caching Strategies: Make Repeat Visits Lightning Fast

Service workers give you programmatic control over browser caching, turning repeat visits into near-instant page loads. Learn the five core caching strategies, implement them with Workbox 7, and see how service worker caching stacks with HTTP caching to boost Core Web Vitals.

Editorial Team 14 min read