Send Web Vitals metrics to Google Analytics

[shgtkshruch]

https://github.com/GoogleChrome/web-vitals#send-the-results-to-google-analytics

Google Analytics does not support reporting metric distributions in any of its built-in reports; however, if you set a unique dimension value (in this case, the metric id) on every metric instance that you send to Google Analytics, including that dimension in a custom report will allow you to construct a distribution manually.

Using the Google Analytics Reporting API and a tool like Data Studio (or your own visualization library), you can create dashboards with histograms reporting quantile data (the 75th percentile is recommended) for all of the Web Vitals metrics.

The following code examples show how to send your metrics to Google Analytics in order to enable reporting quantile data: