speedscope
e18e
Ecosystem Performance
Perfetto UI
Chasing Waterfalls: A web performance podcast featuring conversations with people working to make the web faster, hosted by Tim Kadlec.
A web performance podcast featuring conversations with people working to make the web faster, hosted by Tim Kadlec.
Cumulative Layout Shift (CLS) | Articles | web.dev
This post introduces the Cumulative Layout Shift (CLS) metric and explains how to measure it.
Deep dive into the murky waters of script loading | Articles | web.dev
Designing for Performance by Lara Callender Hogan
This practical introduction to web performance helps you approach projects with page speed in mind, showing you how to test and benchmark design choices against page speed.
Does shadow DOM improve style performance? | Read the Tea Leaves
Update: I wrote a follow-up post on this topic. Short answer: Kinda. It depends. And it might not be enough to make a big difference in the average web app. But it's worth understanding why. First off, let's review the browser's rendering pipeline, and why we might even speculate that shadow DOM could improve its…
Eliminate render blocking CSS to improve start render time
Jeff Knox personal website
endtimes.dev
Hints categories | webhint documentation
List of core hints shorted by category
How 3rd party scripts can be performant citizens on the web — TWNSND
Running a site through WebPageTest after handing it over to a client can be a painful glimpse into the havoc tag managers permit marketing teams and other non-web savvy users to inflict on finely-crafted and optimised websites. What can be done?
JetBrains Marketplace — Performance Rework | by Evgenii Ray | May, 2021 | Medium | Medium
The story about how the legacy jquery application was refactored to the modern ES7 application in prod with almost 85% total build speed improvement
Just a moment...
Just a moment...
Why would you send a whole application to your users when all they need is a few widgets?
Lightning-Fast Web Performance Online Course from WebPageTest
Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.
My name is Salem.
This is my website.
Performant Front-end Architecture | DebugBear
Make your client-side apps load fast and provide a good user experience.
Prevent unnecessary network requests with the HTTP Cache | Articles | web.dev
The browser's HTTP Cache is your first line of defense against unnecessary network requests.
Profile Site Speed With The DevTools Performance Tab | DebugBear
Learn how to use the Chrome DevTools Performance tab to measure and improve the speed of your website.
Reducing the Site-Speed Impact of Third-Party Tags
Here's how I approach reducing the impact that 3rd-party tags can have on site speed
Resource inlining in JavaScript frameworks | Aurora | Chrome for Developers
Learn about the latest optimizations implemented in JavaScript frameworks in collaboration with project Aurora.
Smashing Newsletter
Table of Contents | Web Almanac 2021
Table of Contents for the 2021 Web Almanac, listing each section: Page Contents, User Experience, Content Publishing, Content Distribution.
Using WebPageTest [Book]
Learn basic and advanced uses of WebPagetest, the performance measurement tool for optimizing websites. This practical guide shows users new to this tool how run tests and interpret results, and … - Selection from Using WebPageTest [Book]
Web Performance Calendar » 2020
The speed geek's favorite time of year
Web Performance Tools
A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team
Web Performance Tools
A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team
Why lab and field data can be different (and what to do about it) | Articles | web.dev
Learn why tools that monitor Core Web Vitals metrics may report different numbers, and how to interpret those differences.
HTTP | 2021 | The Web Almanac by HTTP Archive
The HTTP chapter of the 2021 Web Almanac covers data on historical versions of HTTP used across the web, as well as the uptick in new versions including HTTP/2 and HTTP/3, while also inspecting key metrics a part of the HTTP lifecycle.