Cookie use

Use of cookies

We may obtain information about your general internet usage by using a cookie file which is a small text file which is placed onto your computer (or other electronic device) when you access our website.

We use cookies on this site as part of the Google Analytics software that runs on the host server. This gathers anonymous analysis such as time/date of visit and the pages viewed.

We use cookies to for analytical purposes to:

  • carry out research and statistical analysis to help improve our content, products and services and to help us better understand our customer requirements and interests including estimating our audience size and usage pattern; and
  • speed up your searches and make your online experience more efficient and enjoyable.

In most cases we will need your consent in order to use cookies on this website. The exception is where the cookie is essential in order for us to provide you with a product or service you have requested.


There is a notice on our home page which describes how we use cookies. If you register with us or click ‘Accept Cookies’ and continue using this website after this notification has been displayed to you, you have consented to our use of cookies for the purposes described in this policy.

Description of cookies

The table below provides some information on the cookies which we use on our website. We use these cookies for the reasons described above.

Cookie name What it does How long it lasts
Google Analytics – UTMZ Analytics  6 months
Google Analytics – UTMT Analytics 10 minutes
Google Analytics – UTMC Analytics Session
Google Analytics – UTMC Analytics 30 minutes
Google Analytics – UTMC Analytics 2 years
Piwik Session Analytics – by Cloudflare 30 minutes
Piwik Analytics (tracking) – by Cloudflare 2 years
Cloudfare (cfduid) Used to identify individual visitors behind a shared IP address and apply security settings on a per-visitor basis. For example, if the visitor is in a coffee shop where there are a number of infected machines, but the specific visitor’s machine is trusted (e.g. because they’ve completed a challenge within a Challenge Passage period), the cookie allows us to identify that visitor and not challenge them again. It does not correspond to any user ID in your web application, and does not store any personally identifiable information. 1 year
PHP Session Necessary to working of the site. It does not hold information. Session
Cookie Acceptance To record your acceptance of Cookies when using our website. 1 year

How to turn off cookies

You may refuse to accept cookies by activating the setting on your browser which allows you to refuse the setting of cookies. However, if you select this setting you may be unable to access certain parts of our site. Unless you have adjusted your browser setting so that it will refuse cookies, our system will issue cookies when you log on to our site.

For further information about cookies and how to disable them please go to the Information Commissioner's webpage on cookies: