📊
👁️ 2 views

Telemetry library for measuring First Paint, LCP, and FID and reporting them to your analytics

Visit Tool →

💰 Pricing

Open-source

Billing: one-time

💻 Platform

api

👤 Target User

expert

Company: small-team,agency

📜 License

MIT

🔌 Integrations

google-analytics

🔄 Last Update

9/5/2025

API Available

⭐ 2,800

Stars

👥 12,000

Users

⭐ 4.6

Rating

🏷️ Tags

javascript analytics metrics performance

Similar Tools & Alternatives

View All (54) →
🎨

Next/Image

Framework component for Next.js that automatically optimizes images for improved LCP and CLS

📦

Preact

Fast 3kB alternative to React with the same ES6 API, significantly improving bundle size and speed

🧩

Fastify

Extremely fast and low overhead web framework for Node.js, built for performance

🧬

Web Vitals Library

A tiny modular library for measuring all the Web Vitals metrics on real users in the field

🎨

Critical

Extracts and inlines critical-path CSS to improve First Contentful Paint and rendering speed

🧩

PurgeCSS

Tool to remove unused CSS from your project which helps in improving Largest Contentful Paint (LCP)

← Back to list