Privacy

On this website

This version has no account registration, payment form, advertising scripts or analytics trackers. Search, filters and the data calculator run in your browser. This code does not set cookies or save your entries to local storage.

Hosting and external websites

This website is hosted on Cloudflare Pages. Cloudflare may process technical request information, including IP addresses and request metadata, to deliver and protect the website. Provider links open external websites with their own privacy and cookie policies.

Email and privacy requests

Contact [email protected] for privacy questions or editorial corrections. Incoming email is forwarded through Cloudflare Email Routing to a Gmail inbox. Your message and contact details are used to answer your request. Do not send activation QR codes, payment details or passwords. This website has no contact form. Email and hosting services process information under their own policies; this page does not promise a specific provider retention period.