JK://quantum
SECURE · 2026.05.12 v.ac63b9b

The short version

This site doesn't use advertising cookies, tracking cookies, or analytics cookies. The only thing stored in your browser is your theme preference, and that never leaves your device.

What we store and why

Theme preference (localStorage)

When you toggle between light and dark mode, your choice is saved to localStorage under the key theme. This is a plain string — either "light" or "dark". It never leaves your browser and is not transmitted to any server.

If you clear your browser storage or visit in a private/incognito window, the site falls back to your operating system's preferred color scheme.

Cloudflare Turnstile (session, bot detection only)

The contact form uses Cloudflare Turnstile to distinguish human visitors from bots. Turnstile may set a short-lived session cookie or use browser storage internally during the challenge interaction. Cloudflare's documentation states that Turnstile does not create persistent advertising profiles or track you across sites. See Cloudflare's privacy policy for details.

No other storage

No first-party cookies. No third-party analytics (no Google Analytics, no Meta Pixel, no Mixpanel). No session cookies. No fingerprinting scripts.

How to control or clear browser storage

You can clear localStorage and cookies at any time through your browser's developer tools or privacy settings. On most browsers:

  • Chrome / Edge: Settings → Privacy and security → Clear browsing data
  • Firefox: Settings → Privacy & Security → Cookies and Site Data → Clear Data
  • Safari: Preferences → Privacy → Manage Website Data

Clearing storage on this site has no functional consequences beyond resetting your theme preference to match your OS setting.

Changes to this page

If our storage practices change, we'll update the effective date above. Because this site doesn't use email lists for policy updates, check back here directly if you're curious.

Questions

Use the contact form — Sophie handles the inbox.

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