I know it's text based but still, the gov.uk is blazing fast. Looked under the hood, seems like they're using client-side template rendering via Mustache, and J

I know it's text based but still, the gov.uk is blazing fast. Looked under the hood, seems like they're using client-side template rendering via Mustache, and JQuery. Not sure what the back end is written in, saw a reference to Flask in a javascript comment, so maybe Python.