Rigor

SEPTEMBER 11, 2019

Rachel is the Editor-in-Chief of Smashing Magazine, a British web developer, writer, and speaker. 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. Vitaly is a co-founder of the Smashing Magazine brand.

Performance 89

Performance Education Google Website 89

Smashing Magazine

APRIL 11, 2022

JavaScript, CSS, images, iframes, and other resources impact how quickly website loads, renders and becomes usable to the user. Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user.

Media 69

Media Tuning Metrics Google 69

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