> doesn't work in all cases (older browsers, NoScript..) And that is fine. Even if old browsers and noscript were supported, it's usually a small percentage.

> doesn't work in all cases (older browsers, NoScript..) And that is fine. Even if old browsers and noscript were supported, it's usually a small percentage. > kind of sites doing metrics gathering are the worst offenders in terms of performance. You have a point. I have a feeling it's an org problem, bloated org builds bloated products, but struggle to articulate it further. > setup a test VM with 512MB RAM, 1s artificial latency and 20% packet loss. A synthetic approach will get you a long way already. Though I would like to see it as part of the CI/CD pipeline. Testing perf has to be passive and continuous or it's useless.