The public site does not require a reader account. The calculator runs in your browser and does not submit its inputs to this server. Server access logs may include IP address, request path, browser information, and request time for reliability and security.
When enabled, Google Analytics measures visits to public pages and interactions with the site. It may use cookies and collect page addresses, browser and device information, and visit events. Google signals and advertising personalization are disabled in the site configuration. See Google's privacy policy for details.
The editorial admin area uses an essential session cookie for authentication and form protection and does not load Google Analytics. External websites have their own privacy policies.
Language choice is saved in a preference cookie for one year. You can change it using the language selector.