CodeTalks
Web Page Test: Beyond the Basics
Exploring the web performance power tool.
CodeResources
An Introduction to the Resource Timing API
Gather timings for each resource on the page in the browser.
CodeResources
Think Twice Before Using matchMedia to Conditionally Load Stylesheets
A response to Christian Heilmann's recent article.
CodeResources
Implementing Sparkicons
Links with additional meta data.
CodeTools
How the Browser Pre-loader Makes Pages Load Faster
“Currently there are limited ways we can influence the pre-loader’s priorities.”
CodeResources
Driving WebPagetest from a Google Docs Spreadsheet
An easy way to automatically test performance (budgets).
CodeTools
Safari, Caching and Third-Party Resources
What Safari’s shared caching means from a performance perspective.
CodeSamples
Preloading Fonts and the Puzzle of Priorities
When should fonts be loaded.
CodeSamples
Improving Perceived Performance With the Link Rel=preconnect HTTP Header
A small change can have a huge effect.