Written by Joshua Nelson, a developer at Airbnb who wants to make the web faster for everyone. Opinions expressed are my own.
Get emails from me about once a month when I post new content, focusing on performance, front end technology, and engineering.
See my projects
I create projects for learning and fun. Check them out.
Better benchmarking
October 10, 2022✨New post✨It's easy to produce benchmarking data that fits your desired hypothesis. To reduce bias and make accurate benchmarks, set up your test in a realistic way, and analyze your data scientifically.
The dangers of Apdex
April 02, 2019Apdex is a universal measurement of performance, but don't be fooled into thinking that's enough.
Protecting performance
March 10, 2019Performance is a problem. The evidence is clear – performance affects your business goals, your user’s happiness, and it impacts areas with poor connectivity even more than you might expect.
Choosing a metric
March 10, 2019Performance is important. We need to choose the right metric to measure it.
Measuring performance
March 10, 2019Performance is a problem. The evidence is clear – performance affects your business goals, your user’s happiness, and it impacts areas with poor connectivity even more than you might expect.
The case for performance
March 10, 2019The median page load time for a website on a mobile device is 15.6 seconds.