Performance, Page 2

Website speed and performance are a question of equity. Fast and lightweight sites mean that everyone can access your content equally. It’s not only an economic imperative; it’s a moral imperative.

I recently found myself racing to fill out Chipotle’s online order form before my mother could find her credit card. In the process, I discovered a bug that could cost Chipotle $4.4 million annually. My…

What Progressive Web Apps features should we expect Apple to support?

A couple weeks ago, I received a polite inquiry from Colin van Eenige asking if I would help him with a graduation project by answering some questions about Progressive Web Apps. We exchanged a few…

Yesterday, I examined how The Washington Post’s Progressive Web App performs on iOS. Today, I want to take a look behind the scenes on the difficulties I had conducting that analysis. Instrumenting The Washington…

The Washington Post's Progressive Web App has seen near 5x increase in user engagement on iOS. But iOS doesn't support PWAs. How does that work?

Progressive Webs Apps versus native misses the point. Here is a simple case for Progressive Web Apps that even native app developers can agree with.

Technical articles about Progressive Web Apps abound, but few tackle the question of why businesses should build Progressive Web Apps and why they should do so now.

Part I of this series established that some of the challenges in building service workers for complex websites stem from having to accommodate page request variations. In this iteration, we’ll touch on how to…