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We use cookies to improve your online experience. By continuing to browse this website you're agreeing to our cookie policy. Find out more about cookies and how we use them.

Cookies policy

We use cookies to improve your experience on our website. They help us to distinguish you from other users and to customise our web pages by remembering your preferences, like font size. By continuing to use our website, you agree to our use of cookies.

What's a cookie?

A cookie is a small file sent from a website which is then stored by your web browser. When you return to the website the information in the cookie can be used to recognise your last session..

Cookies can't install malicious software such as viruses on your device, whether that’s a computer or a mobile phone. They don't store any of your personal data or account information.

Where do cookies come from?

There are two sources of cookies:

  • First-party cookies are sent by us to your device. They can be used to remember your preferences when you visit our website or to maintain your browser connection.
  • Third-party cookies are sent by a third party that provides functionality through our website, such as video clips. This helps the third party to remember your preferences when you visit our website and others.

How long do cookies stay on your device?

Cookies stay on your device for different periods of time:

  • Session cookies generally only last while you have your internet browser open. Once you close your browser they’re automatically deleted from your device.
  • Persistent cookies generally stay on your device after you close your internet browser unless your browser is set up to automatically delete them. They can be used by websites to remember your preferences when you open up your browser again.

What cookies do we use?

We use three types of cookies on our website:

Where they come from: NEST and third parties

What they’re for: Customisation cookies help us to recognise you and customise the website for your needs, for example, by remembering your preferred font size.

Functionality cookies improve the functionality of our website but aren’t essential to its use, Some examples are:

  1. Essential cookies

    What they’re for: They’re necessary for the operation of our website, for example cookies that enable you to log into secure areas of our website.

    How long they last: They should be deleted when you close your browser as long as it’s set up to delete them automatically.

    The essential cookies we use are:

    Purpose Cookie Provider Cookie Named(s) Duration
    To maintain your online session NEST JSESSIONID, oam.Flash.RENDERMAP.TOKEN, 
    PD-S-SESSION-ID 
    Session
    To display a message to remind users to log out. NEST secMsgCookie Session
  2. Analytics and performance cookies

    Where they come from: NEST and third parties

    What they’re for: To help us to understand how our website is being used and the number of users of our website. We use this information to improve our website and make it easier for you to navigate.

    How long they last: Most will expire when you close your browser as long as it’s set up to delete them automatically. Otherwise, some cookies will last for up to two years from your last visit to our website, as shown below.

    The analytics and performance cookies we use are:

    Purpose Cookie Provider Cookie Name(s) Duration
    To monitor unique visitors NEST partyID Session
    To monitor number of visitors and how they interact with our website Netinsight NiVID 18 months
    To monitor number of visitors and how they interact with our website Google Analytics _ga 2 years
    To manage the volume of page view requests made     Google Analytics _gat 10 minutes
    To monitor unique visitors Google Analytics _gid 24 hours
  3. Functionality and customisation cookies:

    What they’re for: Customisation cookies help us to recognise you and customise the website for your needs, for example, by remembering your preferred font size.

    Functionality cookies improve the functionality of our website but aren’t essential to its use, Some examples are:

    • YouTube - we use YouTube to show video content and YouTube may set cookies on your computer once you click on the YouTube video player. Without these cookies, the videos may be unavailable. The information collected by YouTube may be shared with third parties and used to send you adverts when you browse the internet but you won’t be identified personally. You can find out more about YouTube cookies on the Google privacy page.
    • Dynatrace – a monitoring application we use to monitor the performance of our website and user error messages. This application may also set cookies on your computer when you visit our site. These cookies are removed once your session ends.

    How long they last: Most cookies are deleted once your session ends, but oth