This tool puts small files (known as ‘cookies’) onto your computer to collect information about how you browse the site.
Cookies are used to:
- remember your progress
- measure how you use the tool so it can be updated and improved based on your needs
This tool's cookies aren't used to identify you personally. Find out more about how to manage cookies.
How cookies are used on this tool
We will store a cookie to remember your progress on this computer and to expire your session after 60 minutes of inactivity or when you close your browser.
|_sessionId||Saves your current progress in this computer and tracks inactivity periods||After 60 minutes of inactivity or when you close your browser|
|analytics||Remembers whether you accept or reject analytics cookies on this form||After 1 year|
Measuring usage (Google Analytics)
We use Google Analytics software to collect information about how you use this tool. We do this to help make sure this tool is meeting the needs of its users and to help us make improvements. Google Analytics stores information about:
- the pages you visit
- how long you spend on each page
- how you got to the tool
- what you click on while you’re visiting the site
We do not 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 do not allow Google to use or share our analytics data.
Google Analytics sets the following cookies:
|_ga||This helps us count how many people visit this tool||2 years|
|_gid||This helps us count how many people visit this tool||24 hours|
|_gat||Used to manage the rate at which page view requests are made||10 minutes|
|_utma||Like _ga, this lets us know how many of our visitors are new to this tool or to a certain page||2 years|
|_utmb||This works with _utmc to calculate the average length of time you spend on this tool||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 tool (for example from another website or a search engine)||6 months|
You can opt out of Google Analytics cookies.