Category : Research

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Every quarter at Radware, we measure and analyze the performance of the top 500 retail websites.* And every quarter, I’ve grown accustomed to the persistence of two trends: pages are growing bigger and, not coincidentally, slower.

But while I expected to see some growth and slowdown in our latest research — released this week in our State of the Union: Ecommerce Page Speed & Web Performance [Summer 2014] — I have to admit that I wasn’t expecting to see this much.

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Earlier today, I had the privilege of speaking at Velocity Santa Clara on a topic near and dear to my heart: the mobile user experience. I presented research we conducted at Radware that I’m really excited about.

By now, most of us have internalized the fact that slow pages hurt mobile user metrics — from bounce rate to online revenues to long-term user retention. At Radware, we wanted to understand the neuroscience behind this in order to get a 360-degree view of mobile performance, so we engaged in the first documented study of the neurological impact of poor performance on mobile users. Here’s how we did it, and what we learned.

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My recent post about page growth (or page shrinkage, as the case may be) hit a nerve with a lot of people, so this week I thought I’d take my first dive into the Mobile HTTP Archive, the mobile counterpoint to the HTTP Archive I cited last week. The Mobile HTTP Archive tests the same list of URLs, but it does so using smartphones. This means that if a URL redirects to a mobile site, the Archive tests the mobile site.

Just like last week, I looked at the top 1,000 URLs. What I found won’t come as a surprise to anyone who’s been following this blog for a while. While there are many similarities between these findings and last week’s, there are also a number of insights that are unique to mobile devices.

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According to the HTTP Archive, the average top 1,000 web page is 1491 KB in size, 5% smaller than it was six months ago, when the average page reached a record size of 1575 KB.

But let’s not start celebrating yet.

Does this finding represent the start of a new trend toward smaller pages, or is it just an isolated incident? To answer this question, we need to take a look into the Archive’s other findings.

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Earlier this week, I had the privilege of speaking at the RWD Summit, alongside awesome folks like Tim Kadlec, Brad Frost, and Jenn Lukas. I presented some of the findings of research we conducted here at Radware about how mobile users engage with ecommerce sites, and how this engagement is affected when pages are slowed down even by marginal amounts.

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Earlier this month, we released our quarterly State of the Union for ecommerce web performance. Today, I want to share the poster version of the infographics we created to accompany the report. Feel free to download and share. And if you have any questions about any of these findings, let me know.