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Last updated: 4 May 2022

Frontend architecture

GOV.UK currently uses multiple systems to build frontends (HTML/CSS/JS).

Current state

Current state of libraries


Applications that serve pages for the public (everything on use:

Most admin applications use:

New admin applications and some legacy admin applications that have been updated use:

Long term vision


We have 2 long term goals for the frontend:

  • Use the same tech for the public and admin apps
  • Use as much of the GOV.UK Design System as possible