Cookies Policy



As of March 2019


PDST respects the privacy of all visitors to our website. This Cookie Policy outlines our policy concerning the use of cookies on We may update our Cookie Policy from time to time to reflect any changes in technology or legislation, which may affect the way in which cookies are used by us and how you as a user can manage them. Please check this page regularly for updates. 


What Are Cookies?


Cookies are small data files that are sent to your computer, tablet or mobile phone from a website's computer (server) and stored on your device's hard drive. We use cookies to make our site faster and easier to use. Most websites you visit will use cookies in order to improve your user experience by enabling that website to ‘remember’ you, either for the duration of your visit (using a ‘session cookie’) or for repeat visits (using a ‘persistent cookie’). Cookies cannot be used to identify you personally and cookies cannot run programs or deliver viruses to your computer. 


Types of Cookies We Use


  • Functional: These cookies are integral to the website functionality.
  • Security: These cookies allow us to secure access to your account, and to allow you to move between PDST websites without additional authentication.
  • Analytics: We track site traffic patterns so we can identify popular site content and potential site problems.



Your Choices Regarding Cookies


You can visit for details on how to delete or reject cookies and for further information on cookies generally. For information on the use of cookies in mobile phone browsers and for details on how to reject or delete such cookies, please refer to your handset manual.


Note, however, that if you reject the use of cookies you will still be able to visit our website but some of the functions may not work correctly.


Consent cannot be bundled/used for multiple purposes.



This Website & Cookies


This website uses “cookie” technology to help us to understand the number of people who use the website, and how they use it, so that we can continuously make improvements to it. The table below lists the cookies that are used by the PDST website. 


We may use these cookies to deliver content specific to your interests and to save your personal preferences so you do not have to re-enter them each time you connect to our website – our cookies are not available to other websites. In particular cookies enable us:


  • to measure visitor traffic to our website and their usage patterns
  • to store information about your preferences, and so allow us to customise our website according to your individual interests
  • to speed up your searches
  • to recognise you when you return to our website.


To opt out of being tracked by Google Analytics across all websites visit


Types of cookies we use and why:



Cookie Name Purpose More information
Google Analytics _utma
These cookies are used to collect information about how visitors use our site. We use the information to compile reports and to help us improve the site. The cookies collect information in an anonymous form, including the number of visitors to the site, where visitors have come to the site from and the pages they visited Click here for an overview of privacy at Google
Online form session cookie ASP.NET_SessionId This cookie is created when a user connects to an ASP.NET application and will expire when the user closes their browser. This cookie is essential for use of forms on our site to store the session id of the user’s current session. Visit the Microsoft website
Twitter Feed Cookies External_referrer
These cookies are via the twitter importer used on the homepage template. These are all sourced from Visit Twitter API website