Request Metrics

Measuring First Input Delay

First Input Delay (FID) measures how long the browser took to respond to the first user input event. It’s one…

Explaining Performance to Non-Technical Stakeholders

Synthetic Testing and Real User Monitoring

Synthetic Testing and Real User Monitoring are the most important tools in your…

What is a ‘Rage Click’?

You know that thing where you are so angry at a broken website that you furiously click that button until it does…

Fastest News: Best Performing News Website

News teams often compete to break the story first. We think they should also compete…

How is Google so fast?

How is Google so fast? It’s so fast we take it for granted. It feels instant from the time you search to when results…

Common Web Performance Tools

Now that you understand the metrics and the methods of measuring web…

Privacy and Ethical Web Analytics

Web analytics is often based on invasively collecting and aggregating user data. But web analytics…