Subsecond: Speed Check

Subsecond: Speed Check provides simple Real User Monitoring (RUM) for Shopify stores. Track all of the page speed web vitals metrics popularized by Google with one-click installation and a easy to read dashboard.

Many other solutions use synthetic page speed data that might differ from the real experience of your customers. Measuring the experience of real users is the best way to learn what changes should be made.

This app uses the web-vitals library for its metric definitions. Speed Check…