Alex Russell

JANUARY 30, 2024

The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance. Until and unless teams have better data about their performance, the global baseline budget should be enforced.

Performance 90

Performance Network Mobile Speed 90

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Tim Kadlec

DECEMBER 6, 2018

By now, I have to be on record at least a few thousand times in saying that WebPageTest.org is an absurdly valuable tool. Pat gave the performance community an incredible gift by building it and making it available to the broader community for free. I spend a lot of time in WebPageTest. A lot of time. Capture Video: true.

Testing 40

Testing Network Availability Performance 40

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. Nobody is trying to do a poor job, and yet the results of a “completed” PWA project often require weeks or months of painstaking rework to deliver minimally acceptable performance. Partner meetings are illuminating.

Performance 68

Performance Benchmarking Network Mobile 68

Dean Hume

SEPTEMBER 21, 2016

When I first started learning about web page performance, I always use to focus solely on the time that it took a page to load. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!"

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

When I first started learning about web page performance, I always use to focus solely on the time that it took a page to load. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!"

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

When I first started learning about web page performance, I always use to focus solely on the time that it took a page to load. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!"

Speed 40

Speed Analytics Google Retail 40