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 worked at the BBC for four years, writing low-level JavaScript that catered to their strict accessibility, performance and browser support requirements.

Performance 89

Performance Education Google Website 89

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

Smashing Magazine

JANUARY 6, 2020

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Addy Osmani has written a very detailed write-up on how to start performance budgeting , how to quantify the impact of new features and where to start when you are over budget. Image source ).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Luckily, there are many great options that help you automate the collection of data and measure how your website performs over time according to these metrics. Note: based on research by Patrick Meenan and Andy Davies, HTTP/2 is effectively broken on many CDNs , so we shouldn’t be too optimistic about the performance boost there.

Performance 103

Performance Cache Metrics Network 103