This site puts small files (known as ‘cookies’) onto your computer to collect information about how you use the site so it can be updated and improved based on your needs.
These cookies are not used to identify you personally
You’ll normally see a message on the site before we store a cookie on your computer.
Find out more about how to manage cookies.
You may see a pop-up welcome message when you first visit. We’ll store a cookie so that your computer knows you’ve seen it and knows not to show it again.
| Name | Purpose | Expires |
|---|---|---|
| introDone | Saves a message to let us know that you’ve seen the introduction and stop automatically displaying it. | Indefinitely |
We use Google Analytics software to collect information about how you use this site. We do this to help make sure the site is meeting the needs of its users and to help us make improvements.
Google Analytics stores information about:
We don’t collect or store your personal information (for example your name or address) so this information can’t be used to identify who you are.
We don’t allow Google to use or share our analytics data.
Google Analytics sets the following cookies:
| Name | Purpose | Expires |
|---|---|---|
| _ga | This helps us count how many people visit this site by tracking if you’ve visited before | 2 years |
| _gid | This helps us count how many people visit this site by tracking if you’ve visited before | 24 hours |
| _gat | Used to manage the rate at which page view requests are made | 10 minutes |
| Name | Purpose | Expires |
|---|---|---|
| _utma | Like _ga, this lets us know if you’ve visited before, so we can count how many of our visitors are new to this site | 2 years |
| _utmb | This works with _utmc to calculate the average length of time you spend here | 30 minutes |
| _utmc | This works with _utmb to calculate when you close your browser | when you close your browser |
| _utmz | This tells us how you reached this site (for example from another website or a search engine) | 6 months |
You can opt out of Google Analytics cookies.