How to generate a video that compares the performance of two sites

Nobody likes a slow website, so regularly testing your site speed should be something you do at regular points to identify anything slowing you down. A fast site is a good user experience, and a satisfying UX leads to higher conversions. Additionally, Google now say that speed is a ranking factor.

This week I discovered a really useful feature within the free tool, WebPageTest, called Visual Comparison. It allows you to enter multiple URLs to compete against each other comparing load times visually. Not only is it useful for monitoring your own site but you can see how you compare against your competitors. We can also choose to set the test to run at 3G, 4G or desktop speeds.

The video output is a really powerful for conveying impact and something you can share easily across your team.

Here’s how to do it:

  1. Go to
  2. Visual Comparison > Start Test > Create Video

As an example, I ran two popular travel websites against themselves. It’s worth noting that you can run this on any page of a site, not just your homepage! vs

Site speed can often be the forgotten part of a UX team’s focus, so make sure you add this vital check to your UX review toolkit.

About This Site

Currently Senior UX Designer at Charities Aid Foundation (CAF), one of the UK’s largest charities. I’m passionate about all things design and  thrive in a fast paced, collaborative, agile environment.