It's Showtime: What We Learned Launching Undertow

Strictly necessary Always on

Needed for the site to work at all — signing in, keeping your basket, and protecting your session. These cannot be turned off.

Functional

Remembers preferences such as your language or region so the site feels the same each visit.

Performance

Lets us measure how quickly pages load and which ones people struggle with, so we can fix them.

Advertising

Used to build a profile of your interests and show you relevant adverts elsewhere.

Sharing with third parties

Allows the data above to be shared with third parties for their own purposes.