A steady stream of data has surfaced over the past few years that highlights the correlation of performance with user engagement. For example:
- Walmart found that each one second decrease in page load time resulted in a 2 percent increase in conversions (slideshare.net/devonauerswald/walmart-pagespeedslide)
- Amazon reported that a 100 ms increase in latency resulted in a 1 percent reduction in sales (blog.gigaspaces.com/amazon-found-every-100ms-of-latency-cost-them-1-in-sales/)
- Barack Obama's US presidential campaign saw a 14 percent increase in donations with a 60 percent increase in site speed (kylerush.net/blog/meet-the-obama-campaigns-250-million-fundraising-platform)
- Google found that a half second ...