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Privacy policy
This policy describes what this website collects and why. It is written in plain language on purpose.
What we collect
- Standard analytics: pages visited, approximate region, device type. Used to decide what to improve.
- Information you send us by email, used only to reply and to improve our guides.
- Calculator inputs are calculated in your browser and are not sent to us.
What we do not do
- We do not sell personal information.
- We do not require an account to read any guide.
- We do not collect payment information on this site.
Cookies
We use a minimal set of cookies for analytics and basic site function. You can block cookies in your browser and every guide will still work.
Changes
If this policy changes, the new version will be posted on this page with a new update date. This version is dated November 14, 2026, and is a pre-launch draft to be reviewed before the site takes real traffic.