How Fast Do Websites Really Load for Mobile Users?
State of the Union: Page Speed & Web Performance [Spring 2013]
Ecommerce Page Speed: Fall 2012 State of the Union
Valentine's Day Online: How, when and where people are spending
Black Friday and Beyond: What the 2012 holiday season holds for online shoppers
How Fast Are the Top 2,000 E-commerce Websites?
State of the Union: Page Speed & Web Performance [Summer 2013]