Privacy Policy

1. Data We Collect

We do not ask for names, email addresses, or passwords to use the site.

We do not require accounts, registration, or login. Our analytics may process technical data such as page URL, referrer, language, device category, and approximate geography:

• No names, email addresses, or passwords.
• Cloudflare and analytics providers may process IP addresses or IP-derived data as described in their privacy policies.
• We do not tie browsing history to an account or sell it to advertisers.

2. Local Storage

We use your browser's localStorage to remember:

• Your theme preference (dark or light mode).
• Inputs you type into the Custom Compare and Height Comparison tools (only while the page is open).

This data never leaves your device. You can clear it anytime via your browser settings.

3. Analytics

We use Google Tag Manager to load analytics tags and understand which pages and tools are used. These services may set cookies or use local storage, and may process technical events and approximate device or location signals. We use this information for site measurement and improvement, not to build advertising profiles.

Our Permissions-Policyheader explicitly blocks interest-cohort, disabling Google's Federated Learning of Cohorts (FLoC) and Topics API.

4. Cookies

Analytics loaded through Google Tag Manager may set cookies or similar storage. We do not use third-party advertising cookies or marketing pixels.

5. Third-Party Services

• Cloudflare — Hosting and CDN. See Cloudflare Privacy Policy.
• Google Tag Manager and analytics tags — Tag delivery and site measurement. See Google's Privacy Policy.
• Self-hosted fonts — Typography is bundled into the site's static assets at build time (via @fontsource). No external font CDN is contacted, so no third party sees your IP or browser fingerprint via fonts.

6. Children's Privacy

The Service is suitable for all ages and does not knowingly collect data from children. No age verification or parental controls are required.

7. Your Rights (GDPR / CCPA)

Where local privacy law gives you rights over analytics data processed as personal data, you may exercise those rights through the relevant provider or contact us. You can also:

• Clear local data via your browser settings.
• Block or delete analytics cookies through your browser settings.
• Use Google's official analytics opt-out tools where available.

8. Security

We enforce strict security headers including Content-Security-Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options. The Service is served exclusively over HTTPS.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date.

10. Contact

Privacy questions? Contact us.