Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. JavaScript-Heavy # Since at least 2015, building JavaScript-first websites has been a predictably terrible idea, yet most of the sites I trace on a daily basis remain mired in script. [1] What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Rigor

JANUARY 13, 2020

Take, for example, The Web Almanac , the golden collection of Big Data combined with the collective intelligence from most of the authors listed below, brilliantly spearheaded by Google’s @rick_viscomi. High Performance Browser Networking. You only have a few seconds to get compelling content onto the screen.

Performance 75

Performance Social Media Website Website Performance 75

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

Rigor

SEPTEMBER 11, 2019

Jake is a developer advocate at Google working with the Chrome team to develop and promote web standards and developer tools, as well as a contributor to the Chromium blog. Jake is a frequent speaker at many popular conferences and events, such as 100 Days of Google Dev , JAMstakConf , JSConf , SmashingConf , and dozens of others.

Performance 89

Performance Education Google Website 89

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You can download the spreadsheet as Google Sheets, Excel, OpenOffice document or CSV. Large preview ).

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g. Adjust the argument depending on the group of stakeholders you are speaking to. 300ms RTT, 1.6

Performance 145

Performance Cache Network Metrics 145