Tim Kadlec

JUNE 24, 2014

At Google I/O 2014 , Lara Swanson and Paul Lewis discussed performance culture. Since it’s one of my favorite topics, I decided to share my notes: 34% of US adults use a smartphone as their primary means of internet access. Mobile networks add a tremendous amount of latency. We are not our end users. The new devices and fast networks we use are not necessarily what our users are using. 40% of people abandon a site that takes longer than 2-3 seconds to load.

Google 49

Google Performance Latency Internet 49

Speed Curve

JUNE 24, 2014

I was lucky enough to give a Lighting Demo at Velocity Conference in Santa Clara. The focus was on research I conducted into 250 responsive websites and how well optimized for performance they were. Methodology. 250 responsive websites were loaded at 17 different viewport widths between 320px and 1920px using WebPagetest. The number of requests and size of assets were captured for each width and used to build a visulization that revealed the cross-section of a site's performance breakpoints rath

Tuning 40

Tuning Website Performance 40