COVID Certification Service – Cookies

Cookies are small files saved on your phone, tablet or computer when you visit a website.

We use cookies to make the COVID Certification Service work and collect information about how you use our service. Cookies are used to improve the services for you by:

• enabling the service to recognise your computer so you don’t have to give the same information several times during a session
• recognising that you may already have given a username and password so you don’t need to do it for every web page requested
• measuring how many people are using the service, so that the service can be made easier and faster to use

Essential cookies

This service uses essential cookies to keep your information secure while you use the Covid Certification Service website. They always need to be on.

Name	Purpose	Expires
.AspNetCore.Session	Used to keep you signed in	20 hours
__cfwaitingroom	Allows the service to manage a queue of users when there is a high demand on the service.	Five minutes to 24 hours (variable)