Cookies
This service puts small files (known as ‘cookies’) onto your computer, phone or tablet to collect information about how you use the service.
Essential cookies
Essential cookies keep your information secure while you use this service. We do not need to ask permission to use them.
Name | Purpose | Expires |
---|---|---|
system_sessionId | Browser session identifier | When you close your browser |
verification_token | Token to prevent cross site request forgery attacks | When you close your browser |
session_information | Keeps an encrypted record of the answers you've submitted | When you close your browser |
viewed_cookie_message | Saves that you've seen and hidden the cookie message | 6 months |