Easily measure performance metrics in JavaScript
Adds the capability to track web performance metrics categorized as WebVitals.
🥇 A lightweight JavaScript library that helps you lazy load (almost) anything. Defer.js is dependency-free, highly efficient, and optimized for WebVitals.
Track Core WebVitals in Gatsby projects with Vercel Speed Insights.
Relocate resource intensive third-party scripts off of the main thread and into a web worker.