> Edge monitors its UI responsiveness via telemetry collected from end users’ machines. We intentionally did this collection for all the parts of the Edge UI,

> Edge monitors its UI responsiveness via telemetry collected from end users’ machines. We intentionally did this collection for all the parts of the Edge UI, not just for the web pages that we render. What did we learn from this data? Building a lot of spying is one option Another could be to simply get a "a device without an SSD or with less than 8GB RAM!", launch the app and observe all the slow glory yourself And yet another is doing a bit more architecture design work upfront and... not use React in the first place instead of doing rewrites