Written by Tammy Everts

As a senior researcher, writer, and performance evangelist at Radware, I've spent the past few years researching the technical, business, and human sides of web/application performance, and sharing the findings via countless blog posts, presentations, case studies, articles, reports, and infographics. Before joining Radware, I was research lead and senior writer at Strangeloop Networks (which was acquired by Radware in early 2013).

While analyzing frame-by-frame page loads of the top 100 retail websites (for our most recent State of the Union for ecommerce web performance), I discovered that a surprising number of sites were making the same three design/usability mistakes over and over. These mistakes had a huge impact on how the pages rendered, and ultimately on the end user experience.

If pages aren’t fast, everything suffers. Even seemingly minor page delays have a significant effect on brand perception. In this post for the fifth annual Performance Calendar, I shared some of the findings from Radware’s latest research into performance and brand perception.

In just a couple of short years, m.sites have gone from must-have to must-not-have. Here’s a short history of the m.site and why, if you haven’t ditched yours already, you should make retiring it a priority in 2014.