This site, like many others, uses cookies to help us improve your experience.

What are cookies?

Cookies are small text files that are stored on your device by websites that you visit. They allow a website to remember information, so that when you return it can respond appropriately.

Cookies can be “persistent” or “session” cookies. Persistent cookies remain on your computer until they expire, while session cookies are deleted as soon as you close your web browser.

How we use cookies

Measuring website usage

We use Google Analytics software to collect information about how our visitors use the site. We do this to help make sure the site is providing the information that our users are looking for in the best possible way.

Google Analytics records information about:

  • the pages you visit on the site
  • how long you spend on each page
  • how you got to the site
  • what you click on while you’re visiting the site

We identify you using an anonymous or random client identifier (e.g., 12345.67890).

We don’t collect or store any personal information about you, we anonymise your IP address and we don’t allow Google to use or share our analytics data.

Google Analytics sets the following cookies:





Used to distinguish users.

2 years


Used to manage the rate at which page view requests are made.

10 minutes

These cookies can tell us whether or not you have visited the site before. Your browser will tell us if you have these cookies and, if you don’t, we generate new ones. This allows us to track how many individual users we have, and how often they visit the site.


We use YouTube to provide videos on some pages of the site. YouTube sets cookies when you visit one of these pages.

Opting Out

You can use the settings in your browser to control the cookies that are set on your computer or mobile device.

To opt-out of Google Analytics, please visit