Cookies make websites and applications work more efficiently and provide information to the owners of websites or mobile applications. They are small pieces of text sent from a website or mobile application to your device, e.g. computer or mobile, in order to recognise you and make your next visit easier.

Your choices regarding cookies

  • If you decide to delete cookies or refuse to accept them, you might not be able to use the features we offer, you may not be able to store your preferences, and some of our pages might not display properly.
  • The law states that cookies can be stored on your device if they are essential to the operation of a website or application, but that for all other cookies, permission is needed.
  • If you'd like to delete cookies or instruct your web browser to delete or refuse cookies, please visit the help pages of your web browser.

How we use cookies

We use Webtrends and Hotjar software to collect information about how you use this site. We do this to help make sure the site is meeting the needs of its users and to help us make improvements, for example improving site search.

Webtrends and Hotjar store information about:

  • the pages you visit
  • how long you spend on each page
  • how you got to the site
  • what you click on while you’re visiting the site

The NHS Apps Library doesn't collect or store your personal information (for example your name or address) so this information can't be used to identify who you are. 

If you complete the "Contact us" form and choose to submit your name and email address, this information is processed by the NHS website according to its privacy policy.

Webtrends sets the following cookie:


Purpose This lets us know if you've visited before, so we can count how many of our visitors are new to the site or to a certain page.

Expires 2 years.

You can opt out of Webtrends cookies.

Hotjar sets the following cookies:


Purpose This cookie is set as soon as a user loads a page that contains the Hotjar code. The cookie contains a universally unique identifier (UUID), which allows Hotjar to track the same visitor across multiple pages and sessions.

Expires 365 days.


Purpose This cookie is set once a visitor interacts with a Survey invitation modal popup. It is used to ensure that the same invite does not re-appear if it has already been shown.

Expires 365 days.


Purpose This cookie is set once a visitor completes a poll using the Feedback Poll widget. It is used to ensure that the same poll does not re-appear if it has already been filled in.

Expires 365 days.


Purpose This cookie is set once a visitor minimises a Feedback Poll widget. It is used to ensure that the widget stays minimised when the visitor navigates through your site.

Expires 365 days.

You can opt out of Hotjar cookies.    


How can I control my cookies?

You can use your web browser to:

  • delete all cookies
  • block all cookies
  • allow all cookies
  • block third-party cookies
  • clear all cookies when you close the browser
  • open a 'private browsing' / 'incognito' session, which allows you to browse the internet without storing local data
  • install add-ons and plug-ins to extend browser functionality

Where to find information about controlling cookies

Useful links

If you would like to find out more about cookies and their use on the internet, you may find the following links useful: 

  • Google’s browser add-on allows users to opt-out of Google Analytics across all websites that use this product.
  • New technologies such as Mozilla's Do Not Track allow you to tell websites not to track you.
  • Internet Explorer has a feature called Tracking Protection Lists which allows you to import a list of websites you want to block.

If you would like to contact us about our cookies please email us at