Tech writin', doc slingin' reprobate.
Rendering HTML with JavaScript is different than rendering HTML that's sent by the server—and that can affect performance. Learn the difference in this guide, and what you can do to preserve your website's rendering performance—especially where interactions are concerned.
Learn how to take your field data into the lab to reproduce and identify the causes behind slow interactions.
Large DOM sizes have more of an effect on interactivity than you might think. This guide explains why, and what you can do.
Learn how to find slow interactions in your website's field data so you can find opportunities to improve its Interaction to Next Paint.
Find out what input delay is, and learn techniques to reduce it for faster interactivity.
When loading scripts, it takes time for the browser to evaluate them prior to execution, which can cause long tasks. Learn how script evaluation works, and what you can do to keep it from causing long tasks during page load.
Learn how to optimize for the Time to First Byte metric.
A collection of the best practices that the Chrome DevRel team believes are the most effective ways to improve Core Web Vitals performance in 2023.
Learn how to optimize your website's Interaction to Next Paint.
You've been told "don't block the main thread" and "break up your long tasks", but what does it mean to do those things?
The BBC is rolling out HSTS for their website to improve security and performance. Find out what it means, and how HSTS can help you.
GOV.UK dropped their jQuery dependency from their front end. You'll never
guess what happened. (Yes, you will.)
Find out what the browser preload scanner is, how it helps performance, and how you can stay out of its way.
Learn the basics of using the Navigation and Resource Timing APIs to assess loading performance in the field.
Improve initial load time by skipping the rendering of offscreen content.
Learn about rel=prefetch resource hint and how to use it.
