Core Web Vitals codelabs

Understanding Interaction to Next Paint (INP)

This directory contains code and answers for the Understanding INP codelab.

Measure performance with web-vitals.js, Google Analytics and BigQuery code samples

This directory contains two example pages to accompany the Measure performance with web-vitals.js, Google Analytics and BigQuery codelab.

• basic.html demonstrates adding the web-vitals library as a module and printing its output to the console.
• diagnostics.html demonstrates using web-vitals and PerformanceObserver APIs to gather rich debugging information about Core Web Vitals metrics.

Contributing

If you spot an issue with the example pages, please raise it using the Issues UI, or follow the contribute guide.