Topic: Performance

Lighthouse Parade is a Node.js command line tool that crawls a domain and gathers lighthouse performance data for every page. With a single command, the tool will crawl an entire site, run a Lighthouse report for each page, and then… More

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. More

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 parents are retired. They continue… More

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

Apple has started development of service workers—the key technology powering Progressive Web Apps. More

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 emails. I answered his questions. More

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 Post Often when organizations make… More

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?… More

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. More

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. More