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Articles by Jeremy Wagner

Jeremy is a contributor to WebFundamentals

Get Ready for Priority Hints

Priority Hints are coming to an Origin Trial near you! Try them out!

Adapting to Users with Client Hints

Client hints are a set of HTTP request headers we can use to change how we deliver page resources based on characteristics of a user's device and network connection. In this article, you'll learn all about client hints, how they work, and a few ideas on how you can use them to make your site faster for users.

Reduce JavaScript Payloads with Tree Shaking

Knowing where to begin optimizing your application's JavaScript can be daunting. If you're taking advantage of modern tooling such as webpack, however, tree shaking might be a good place to start!

Assessing Loading Performance in Real Life with Navigation and Resource Timing

When we measure loading performance, we often do so using testing tools that only describe performance from the perspective of the tester. If we want to measure loading performance from the user's perspective, we must rely on the Navigation and Resource Timing APIs.

Using Lighthouse To Improve Page Load Performance

New perf audits for preload, preconnect, GIFs, and more.

Why Performance Matters

Thanks to mobile device and network proliferation, more people are using the web than ever before. As this user base grows, performance is more important than ever. In this article, find out why performance matters, and learn what you can do to make the web faster for everyone.

Delivering Fast and Light Applications with Save-Data

The Save-Data client hint request header available in Chrome, Opera, and Yandex browsers enables developers to deliver fast and light applications to users who have opted-in to 'data saving' mode in the browser.