There’s a new version and now hosted on AMO (addons.mozilla.org). Get the new version there and it will take care of auto-updates in the future. WFT Web Testing Framework (WTF) is an extension to YSlow that tests for the following shady web dev practices: Use of <blink> Use of <marquee> Use of <font> Missing doctype […]

2010 update: Lo, the Web Performance Advent Calendar hath moved Dec 2 This is the second in the series of performance articles as part of my 2009 performance advent calendar experiment. Stay tuned for the next articles. While theoretically you can speed up your site by just blindly following advice from this blog and other […]

Here are the slides from a tech talk I gave at eBay last week, I called it “Don’t make me wait! or how to build high-performance web apps”, inspired by, you guessed it, the excellent book “Don’t make me think” by Steve Krug. There’s some intimate details on YSlow’s scoring algo towards the end and […]