Interesting to read through their user testing reports: <a href="https://github.com/alphagov/forms/tree/main/research">https://github.com/alphagov/forms/tree/main/research</a>
Gov.uk Forms in Motion <a href="https://news.ycombinator.com/item?id=42041789">https://news.ycombinator.com/item?id=42041789</a>