Moving across to Google Analytics 4 is a major project. Here’s how we did it and what we’ll be doing to ensure minimal impact to the performance of GOV.UK.
In this blog post, we explain the technical details of removing the jQuery library from GOV.UK’s public facing applications and the performance impact it had for our users.
Removing jQuery from GOV.UK was a huge yet manageable task that led to improved code and performance gains across the site. This is how and why we did this work.
We explain what scroll tracking is, why the original scroll tracker wasn't fit for purpose, why we built a new one, and some of the complexities involved.
User research helps us understand how people use GOV.UK and what we can do to improve their experience. Find out how a designer and a developer undertook pop-up research to test GOV.UK search on mobile devices.