Cookies Policy
What we use cookies for:
Temporarily store input information in our calculators, tools, illustrations and demonstrations; Improve our understanding of how you navigate through our sites so we can identify improvements; and Evaluate our sites' effectiveness (we own the anonymous data collected and don't share it with anyone).
Two types of cookies are used on this web-site: Session Cookies: temporary cookies that remain in the cookie file of your browser until you leave the site; and Persistent Cookies: cookies which remain in the cookie file of your browser for much longer (though how long will depend on the lifetime of the specific cookie). We may collect session cookies to allow you to carry information across pages of our web-site and avoid having to re-enter information. We may collect persistent cookies to help us recognise you as a unique visitor when you return to our web-site and to allow us to speed up access to the site. Click here to find out more.
Changing your cookie settings
You have the ability to accept or decline cookies by modifying the settings in your browser. However, you will be unable to use certain features of our web-site if cookies are disabled.
Legal Notice
This policy may be updated from time to time so please revisit this section of the web-site on a regular basis. This policy is not intended to and does not create any contractual or other legal rights. This policy does not cover the links within this site linking to other sites or the content of those sites.
| Cookie | Description | Duration | Type |
|---|---|---|---|
| Google Analytics | |||
| _ga | ID used to identify users | 1 year | Analytics |
| _ga_* | Used to identify and track an individual user session. | 24 hours | Analytics |
| _gid | ID used to identify users for 24 hours | 1 year | Analytics |
| _gat | Used to monitor number of Google Analytics server requests when using Google Tag Manager. | 58 seconds | Analytics |
| _gat_* | Used to set and get tracking data | 1 hour | Analytics |
| _gac_ | Contains information related to marketing campaigns and may be shared with Google Ads when accounts are linked. | 90 days | Analytics |
| AMP_TOKEN | Contains a token code used to read a Client ID from the AMP Client ID Service and match users between AMP and non-AMP content. | 1 year | Analytics |
| __utma | ID used to identify users and sessions | 2 years | Analytics |
| __utmt | Used to monitor number of Google Analytics server requests | 10 minutes | Analytics |
| __utmb | Used to distinguish new sessions and visits. | 30 minutes | Analytics |
| __utmc | Used with older Urchin versions of Google Analytics to distinguish sessions. | Session | Analytics |
| __utmz | Contains information about the traffic source or campaign that directed the user to the website. | 6 months | Analytics |
| __utmv | Contains custom information set by the web developer through Google Analytics. | 2 years | Analytics |
| __utmx | Used to determine whether a user is included in an A/B or multivariate test. | 18 months | Analytics |
| __utmxx | Used to determine when the A/B or multivariate test ends. | 18 months | Analytics |
| Microsoft Azure / Application Insights | |||
| ai_session | Unique anonymous session identifier set by Microsoft Application Insights to gather statistical usage and telemetry data. | 1 hour | Analytics |
| AI_buffer | Stores queued telemetry events locally when network issues occur to ensure reliable delivery. | Session | Analytics |
| AI_sentBuffer | Tracks which telemetry events were sent to avoid duplicate submissions. | Session | Analytics |
| ai_user | Unique user identifier enabling counting of users accessing the application over time. | 1 year | Advertisement |
| Hotjar | |||
| _hjSessionUser_* | Ensures data from subsequent visits is attributed to the same user ID. | 1 year | Analytics |
| _hjSession_* | Ensures data from subsequent visits is attributed to the same session. | 1 hour | Analytics |
| First-Party / Website Analytics | |||
| umbracoEngageAnalyticsVisitorId | Used to identify and track visitors for analytics purposes. | 1 year | Analytics |