web-vitals

Easily measure performance metrics in JavaScript
v5.1.0 URL: https://unpkg.com/web-vitals@5.1.0/dist/web-vitals.iife.js
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cruxperformancemetricsCore Web VitalsCLSFCPINPLCPTTFB

@dash0/sdk-web

Dash0's Web SDK to collect telemetry from end-users' web browsers
v0.17.0 URL: https://unpkg.com/@dash0/sdk-web@0.17.0/dist/dash0.iife.js
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performanceobservabilityopentelemetryotellogsspanstracingCore Web VitalsCLSINPLCP

web-vitals-reporter

Report Web Vitals to your API with one POST request per session
v1.0.0 URL: https://unpkg.com/web-vitals-reporter@1.0.0/dist/web-vitals-reporter.umd.js
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web vitalsapimetricsFCPLCPFIDCLSCrUXchrome user experience reportweb performancetime to first bytefirst contentful paintlargest contentful paintfirst input delaycumulative layout shiftnetwork connectiondevice memory

@dash0hq/sdk-web

Dash0's Web SDK to collect telemetry from end-users' web browsers
v0.6.1 URL: https://unpkg.com/@dash0hq/sdk-web@0.6.1/dist/dash0.iife.js
OpenBrowse Files
performanceobservabilityopentelemetryotellogsspanstracingCore Web VitalsCLSINPLCP

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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CrUXCrUX APICrUX History APIChrome User Experience ReportChrome UX ReportCore Web VitalsWeb PerformanceFCPFirst Contentful PaintLCPLargest Contentful PaintFIDFirst Input DelayCLSCumulative Layout ShiftINPInteration to Next PaintTTFBTime to First Byte