Data provided by the Site Speed reports in Google Analytics.
It's highly unlikely that you outsmart the browser.
High speed connectivity is not all about bandwidth.
An introduction to the HTTP Archive (HAR) data format.
Serving web fonts has its gotchas.
Create custom alerts to spot performance anomalies.
Why limiting ourselves to GIF’s, PNG’s and JPG’s?
An essay for an upcoming book.
“Server push may well prove to be the killer feature for HTTP 2.0!”
Online book on how the browser and the network interact.
Real-time visitor/pageview analytics for GitHub projects.
“We need to update our best practices to use async attribute instead of script-injected scripts.”
“Webfont optimization is a critical piece of the overall performance strategy.”
A proposal to let web developers control font-rendering via CSS.
“HTTP 2.0 is a significant milestone but it is not the end of the journey.”
“A successful web app is resilient to fluctuations in network availability and performance.”
“Developers need control of the text rendering strategy.”
Why the 0-100 indicator is a lie.
A new tool for your performance optimization toolbox.
How to get started.
What you need to know.
Control how web fonts are rendered.
Most are lighter than you think, some are very heavy.
It lets you know if the user wants a light version.
Ways to deliver a fast and resilient user experience.
What every web developer needs to know.
Real UX/performance measurement for the web.
What you can do to speed up things.