Radware recently released its quarterly report on ecommerce page speed and web performance. The study looks into load time and time to interact as well as the impact that these metrics have on the end user experience:
It’s useful to consider these findings in light of separate usability research from Jakob Nielsen, which found that a user who has to endure an 8-second download delay spends only 1% of their total viewing time looking at the featured space on a page. In contrast, a user who receives instantaneous page rendering spends 20% of their viewing time within the feature area of a page.
Check out the full post, New Findings: Typical Leading Ecommerce Site Takes 4.9 Seconds to Serve Usable Content, from Web Performance Today.