NHS 111 online puts small files (known as ‘cookies’) onto your computer to collect information about how you browse the site.

Cookies are used to:

  • measure how you use the website so it can be updated and improved based on your needs
  • remember the notifications you’ve seen so that we don’t show them to you again

NHS 111 online cookies aren’t used to identify you personally

Cookies we use to make the site work better

Name Purpose Expires
nhs111-session-id Tracks your journey through the site When you close the browser
AspNetCore.Antiforgery Helps protect the site from attacks When you close the browser
ASPXANONYMOUS Tracks your journey through the site 2 months
ARRAffinity Used by servers to make sure a session stays in the same environment When you close the browser
nhs111_seen_cookie_message Tells you we’ve stored cookies on your first visit 1 month

Cookies to measure website use (Google Analytics)

We use Google Analytics software to collect information about how you use NHS 111 online. We do this to help make sure the site is meeting the needs of its users and to help us make improvements. We have opted to make everything we send to Google anonymous — this means you can’t be identified.

Google Analytics stores information about:

  • the pages you visit on NHS 111 online
  • how long you spend on each NHS 111 online page
  • how you got to the site
  • what you click on while you’re using the site

We don’t allow Google to use or share our analytics data.

Google Analytics sets the following cookies:

Name Purpose Expires
_ga and _gid These help us count how many people visit NHS 111 online by tracking if you’ve visited before 2 years
_gat Used to manage the rate at which page view requests are made 10 minutes

If you browse the web without using javascript, Google Analytics will use something called a pixel gif graphic instead of a cookie. This collects information about your device and behaviour.

You can opt out of Google Analytics cookies .

Cookies in our survey

You may see a message asking if you would like to take part in a survey for NHS 111 online. If you take part, we’ll store cookies so that your computer knows you’ve seen it and knows not to show it again during your current session.

Name Purpose Expires
JSESSIONID and ASP.NET_SessionId Helps the survey work properly in the session When you close the browser

How to change your cookie settings

Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set, visit or

Find out how to manage cookies on:

If you need to contact us about the use of cookies email: