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Cookie policy

A cookie is a small file that is downloaded onto your computer. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the website. Cookies allow a website to recognise the user. For example, a cookie may remember a certain point in a process or user preferences.

First Party Cookies are set by the website you are visiting. Third Party Cookies are set by someone other than the owner of the website that you are visiting. For example, we provide links on our website to videos on YouTube and cookies are set by YouTube. We do not control these cookies, although you can adjust your browser settings.

There are different types of cookies:

Strictly necessary cookies

These cookies are needed to make the website work and allow you to use the site effectively.

Functionality cookies

These cookies are used to remember a choice that you make on our website, which provides you with more personalised features.

Performance cookies

Performance cookies are used to measure how visitors use our website.

Targeting cookies

These cookies are used to deliver adverts more relevant to you and your interests and limit the number of times you see a particular advertisement. They remember that you have visited a website and this information is shared with other organisations such as advertisers.

Google Analytics

We measure and improve the performance of our site using a service provided by Google Analytics. You can read Google’s privacy policy. You can choose whether or not to allow these cookies to be set in the cookie control panel. You can choose to opt out of being tracked by Google Analytics across all websites 

How we use information from cookies

CHSW uses information from cookies in order to:

  • Improve our website and services by gathering information about how our website is used.
  • Facilitate a user to navigate through the website, for example when completing a registration form. 
  • Determine whether the website is operating effectively.
  • Improve the service we offer you by understanding your preferences.
  • Use ecommerce tracking to allow us to measure the number of transactions and revenue that our website generates. This includes a transaction ID which when linked with information in our secure database, can identify individuals.

Managing cookies

In your web browser, you can control which types of cookies you allow; some changes you make may affect the functionality of the website. You can turn cookies on or off using your browser's settings. You can also delete cookies and clear your browser's cache (history). For further information about cookies, including how to manage and delete them, please visit

Cookies on the CHSW website

What is the cookie called? What does it do?
has_js This cookie is from Drupal, and it affects the operation and functionality of our website by determining if JavaScript is enabled. This cookie expires when you leave the website.
















These Cookies relate to Google Analytics and are used by us to monitor usage of our website. Google Analytics Privacy Information can be found herE:

_ga* expires after 2 years

_gid* expires after 24 hours

_gat* expires after 1 minute


These unique tracking cookies from Google Analytics track information about the use of the CHSW website such as when you used the website, how many times, how long you stayed for and how you arrived at the website.


_utam* expires after 2 years

_utmb *expires after 30 minutes

_utmc *expires at the end of the session

_utmz *expires after 6 months

_utmt *expires after 10 minutes

Collect* expires at the end of the session



This is a security cookie from Google, which, for example prevents access to information entered onto forms.

 *This cookie expires after 2 years.





We embed videos from our official YouTube channel using YouTube’s privacy-enhanced mode. This mode may set cookies on your computer once you click on the YouTube video player, but YouTube will not store personally-identifiable cookie information for playbacks of embedded videos using the privacy-enhanced mode.


PREF - * Expires after eight months
VSC - * expires at the end of your session
VISITOR_INFO1_LIVE - *expires after eight months




We use the Disqus commenting system on our pages to let you leave comments and engage in discussions around the subjects on our site. The cookies set by Disqus enable login functionality.


_jid * expires at the end of the session

Disqus_unique * expires after 1 year


You can view the Disqus' Privacy Policy





The test_cookie is added and removed straight away to test if the user's browser supports cookies.


IDE is used to determine which advertisements have been shown to your device through the DoubleClick system. This allows effectiveness monitoring of advertisements.


IDE* expires after 2 years.

We may make changes to this policy from time to time, so please check back occasionally.

Last updated 24 May 2018.