daycount
 
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Privacy

What we do and don't collect.

Last updated: September 2026. daycount is designed so that as little as possible about you leaves your device. Here is what that looks like in practice.

What never leaves your browser

  • Dates you type in. Your birth date on the age calculator, the start and end dates on the difference calculator, the event dates on any countdown, and the timezones you compare on the timezone converter are all processed by JavaScript that runs inside your browser. There is no request sent to a server, so these values are literally invisible to us.
  • Countdowns you save. The "recent countdowns" list on the countdown page is stored in your browser's localStorage. It stays on your device and is never uploaded anywhere.
  • Stopwatch and timer state. Everything client-side.

What we do collect (and why)

  • Aggregate page views. We use Vercel Analytics and Google Analytics 4 to count how many people load each page. Both are configured for aggregate reporting — no individual user tracking, no ad-personalisation cookies.
  • Performance measurements. Vercel Speed Insights samples Core Web Vitals (load time, interaction latency) from a small percentage of visits so we can catch slowdowns.
  • Total site visits. A single global counter via abacus.jasoncameron.dev is incremented once per browser session for the number shown in the footer. This is a stateless HTTP call and contains no identifying information.

Cookies

daycount does not set any first-party tracking cookies. GA4 sets its own analytics cookies (_ga, _ga_*) if it loads — you can block these in your browser settings without breaking any tool.

Third-party services

  • Vercel hosts the static files that make up this site. Standard access logs (IP + user-agent + requested URL) are retained by Vercel for a short period for abuse prevention. See Vercel's privacy policy.
  • Google Analytics 4 receives aggregate page view events. See Google's privacy policy.
  • Google Fonts serves the Archivo and JetBrains Mono fonts. Font files are cached aggressively by your browser.
  • Counter API (abacus.jasoncameron.dev) — total visits only.

Your rights

Because we don't store the dates or personal inputs you type, there is nothing personal to export, correct, or delete. If you want to be removed from aggregate analytics, use a browser extension like uBlock Origin or the "Do Not Track" setting — we honour both.

Contact

Questions about this policy? Open an issue on the GitHub repo.