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On March 4th, 2022 was my last day at Google. It was an amazing 11+ years working with some of the most inspiring and talented colleagues one could imagine. As my final role, I was leading Google Search for Desktop computers. I still cannot believe they let me run the literal search engine. In fact, this was my first time leading a major consumer product after years of being focused on infrastruct

In this post I'll outline 8 image loading optimization techniques to minimize both the bandwidth used for loading images on the web and the CPU usage for image display. I'll present them in the form of an annotated HTML example to make it easy for folks to reproduce the results. Some of these techniques are more established, while others are somewhat novel. Ideally, your favorite mechanism for pub

I'm excited to announce the beta-release of eleventy-high-performance-blog–a high-performance blog template for 11ty based on this very website. The template itself is based on the awesome eleventy-base-blog adding features centered around performance, accessibility and some SEO. Sites based on this template achieve 100 points on Lighthouse in the categories Performance, Accessibility, Best Practi

One of the key elements of Google's software engineering culture is the use of design docs for defining software designs. These are relatively informal documents that the primary author or authors of a software system or application create before they embark on the coding project. The design doc documents the high level implementation strategy and key design decisions with emphasis on the trade-of

This is a mildly edited transcript of my JSConf Australia talk. Watch the whole talk on YouTube. A sequel to this post is available over here. Hello, I used to build very large JavaScript applications. I don’t really do that anymore, so I thought it was a good time to give a bit of a retrospective and share what I learned. Yesterday I was having a beer at the conference party and I was asked: “Hey