Privacy Statement

Privacy Statement

This website does not store any information that would, on its own, allow us to identify individual users of this service without their permission. Any cookies that may be used by this website are used either just to track the session (visit) or to maintain user preferences or very basic browser information. Your preferences are not shared with any third parties.

This website’s use of cookies

A cookie is a small amount of data sent to your computer or mobile phone from a website.

We use cookies in order to improve our services for you by, for example:

  • enabling a site to recognise your device so you don’t have to give the same information several times during one task
  • recognising that you may already have given a username and password so you don’t need to do it for every web page requested
  • measuring how many people are using our sites, so they can be made easier to use and there’s enough capacity to ensure they are fast

A cookie is stored on your device’s hard drive. Many cookies are automatically deleted after you finish using a website.

Cookies are not programs and do not collect information from your computer.

How to control and delete cookies

This website will not use cookies to collect personally identifiable information about you. However, if you wish to restrict or block the cookies which are set by this website, or indeed any other website, you can do this through your browser settings. The Help function within your browser should tell you how.

Alternatively, you may wish to visit which contains comprehensive information on how to do this on a wide variety of browsers. You will also find details on how to delete cookies from your computer as well as more general information about cookies. For information on how to do this on the browser of your mobile phone you will need to refer to your handset manual.

Please be aware that restricting cookies may stop some things working on this website as intended.

How you can control cookies

You can control and/or delete cookies as you wish – for details, see You can delete all the cookies already on your computer and you can set most browsers to block them being placed. But if you do this, you may have to manually adjust some preferences every time you visit the site.

What we use cookies for

Several cookies are set by our web servers to ensure that your session is maintained for the duration of your visit (until you close your web browser), to help the site remember your settings and preferences (so you don’t have to keep re-entering them whenever you come back to us) and to help us to diagnose and improve the website.  Some browsers (eg Firefox session manager) keep cookies between browser closes.

We do not use cookies set by Google Analytics but many sites do. These allow site owners to measure visitor numbers and website usage. Again, these cookies do not identify you personally but simply assist us with trends of web pages being read and influencing new content and improved visitor usability. (The particular cookies used for this are: _utma, _utmb, _utmc, _utmv and _utmz.)

For further details on the cookies set by Google Analytics, please refer to the Google Code website. To opt-out of Google Analytics across all sites that use it, visit

The following is a list of commonly used cookies. None of those relating to third parties are in use on this website.

Cookie Name Typical content Purpose and use Also used by Expiry
SESS… This cookie is used to hold the unique session ID (usually a number) which is generated every time our site is visited. This cookie is deleted when you close the browser Enables the website you are visiting to keep track of your movement from page to page so you don’t get asked for the same information you’ve already given to the site. Webpages have no memories. Without this, a user going from page to page will be treated by the website as a completely new visitor. Cookies allow you to proceed through many pages of a site quickly and easily without having to authenticate or reprocess each new area you visit. 3 weeks
cookie-agreed-en(-GN) True or false or sometimes 2 Remembers if cookies have been consented to or not. 3 months
__utma This is written by Google Analytics the first time visitor visits the site. Updated with each visit. This cookie is a randomly generated number. No personal information about you, just information about your computer and your browser. Google Analytics is a web analytics service to evaluate your use of the site and compile reports for us. All used by Google Analytics (GA). Google stores the information collected by the cookie on servers in the United States. Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google’s behalf. Google will not associate your IP address with any other data held by Google. By consenting to Google setting these cookies, you consent to the processing of data about you by Google in the manner and for the purposes set out above. 2 years
__utmb Session cookie that is update with each page view or event. This cookie is a randomly generated number. Used to establish and continue a user session with your site 30 mins after the last update/visitor inactivity
_utmc The only info in utmc’s content is the Domain Hash Identifies how long a session or visit lasted. It is not overwritten once a session starts, so by looking at the Created timestamp and the current time one can in theory tell how long a visitor has been on a given site. session
__utmz This cookie stores the type of referral used by the visitor to reach the site. The cookie is updated with each page view info on how the site was reached (e.g. directly or via a link, organic search or paid search). This cookie is a randomly generated number. Used to calculate traffic drivers e.g. search engine traffic, ad campaigns and navigation within the site 6 months
_unam The cookie collects information such as pages viewed and sites shared through the service. The cookie only personally identifies you if you have already independently signed up with ShareThis and have given your consent. This cookie is used to collect information about how our visitors use the ShareThis function provided on the website. We use the information to compile reports to help us improve the site. _unam counts number of unique users that share content and how many page views are generated from the resulting share. ShareThis 9 months
__stgmap Helps identify the unique visitors for sharing our content via email, Twitter, Facebook etc. These cookies enable that service to work smoothly:
When we provide links to third party services you find useful, they may place a cookie on your device to make their service easier to use.
ShareThis 7 days
__stid _stid is a random unique identifier and is used to associated users with topics of interest, based upon the content they consume and share. ShareThis 8 months
__uset _uset is used to indicate when a user has been cookied so that the task is not repeated in the next 8 hours. ShareThis 2 hours