Developing web sites for portable devices
SEO, Site Speed, and Battlestar Galactica
Website Performance at Client Level
Unloading Plone
Don't touch the mobile parts
Pantheon Launch Check Introduction Webinar
Building High Performance Websites
After YSlow "A"
Mobile first luke wroblewski
External JavaScript Widget Development Best Practices (updated) (v.1.1)
Scaling CQ5
Does This Theme Make My Website Look Fat? (Wordcamp SLC 2013)