How we reduced CSS size and improved performance across GOV.UK

A laptop screen displays SpeedCurve metrics, featuring a graph that shows a decrease in CSS size from 42 kB to 25 kB after code changes to serve individual stylesheets

We recently reduced CSS size and improved performance across GOV.UK pages by moving away from bundling all CSS into a single stylesheet served to all pages to serving smaller stylesheets containing only the necessary styles for each page.

Get involved with the launch of early access to GOV.UK Forms

GOV.UK Forms graphic showing questions around a laptop.

Find out how we’re making digital forms simple to set up and quick to process and how you can create a trial account to start building your own new forms.