web-vitals

Easily measure performance metrics in JavaScript

v4.2.4 URL: https://unpkg.com/web-vitals@4.2.4/dist/web-vitals.iife.js

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crux performance metrics Core Web Vitals CLS FCP FID INP LCP TTFB

crux-api

A tiny CrUX API wrapper that supports record & history API, handles errors, and provides types.

v3.0.1 URL: https://unpkg.com/crux-api@3.0.1/src/index.js

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CrUX CrUX API CrUX History API Chrome User Experience Report Chrome UX Report Core Web Vitals Web Performance FCP First Contentful Paint LCP Largest Contentful Paint FID First Input Delay CLS Cumulative Layout Shift INP Interation to Next Paint TTFB Time to First Byte

web-vitals-element

> Bring [web vitals](https://github.com/GoogleChrome/web-vitals) quickly into your page using custom elements

v1.3.7 URL: https://unpkg.com/web-vitals-element@1.3.7/dist/web-vitals-element.js

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web-vitals performance metrics CLS FCP FID LCP TTFB

performance-analyzer

Measure TTFB, FCB, Dom Load and Window Load events

v3.1.2 URL: https://unpkg.com/performance-analyzer@3.1.2/src/index.js

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hmetrics

The metrics of the HTTP/HTTPS request process

v0.1.11 URL: https://unpkg.com/hmetrics@0.1.11/index.js

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namelookup time_namelookup connect time_connect SSL time_appconnect TTFB time_starttransfer download_time time_total