Privacy Policy

GestationCalc ("we," "us," or "our") operates the website gestationcalc.com. This Privacy Policy explains how we collect, use, disclose, and protect your information when you visit our website.

Information We Collect

Automatically Collected Information

When you visit GestationCalc, we automatically collect certain information through Google Analytics 4 (GA4), including:

• Browser type and version
• Operating system
• Pages visited and time spent on pages
• Referring URLs
• General geographic location (country/city level)
• Device type (desktop, mobile, tablet)

This data is anonymized and aggregated. We do not collect personally identifiable information through analytics.

Information You Provide

If you use our contact form, we collect your name, email address, and message content. This information is used solely to respond to your inquiry.

Local Storage

Our calculators use your browser's localStorage to save your most recent calculation (breeding date and breed selection) so it persists between visits. This data is stored entirely on your device and is never transmitted to our servers.

Cookies

We use cookies for the following purposes:

• Analytics: Google Analytics 4 uses cookies to distinguish users and track sessions. These are first-party cookies with a 2-year expiration by default.
• Advertising: We may serve Google AdSense ads, which use cookies to serve relevant advertisements. See Google's privacy policy for details.

You may opt out of Google Analytics tracking by installing the Google Analytics opt-out browser add-on.

How We Use Your Information

• To understand how visitors use our site and improve the user experience
• To respond to contact form inquiries
• To serve relevant advertisements via Google AdSense

Third-Party Services

We use the following third-party services:

• Google Analytics 4: Web analytics (Google Privacy Policy: policies.google.com/privacy)
• Google AdSense: Advertising (Google Privacy Policy: policies.google.com/privacy)
• Vercel: Web hosting (Vercel Privacy Policy: vercel.com/legal/privacy-policy)

Data Retention

Analytics data is retained for 14 months (the GA4 default). Contact form submissions are retained for 1 year. You may request deletion of any data by contacting us.

Your Rights (GDPR)

If you are located in the European Economic Area, you have the right to:

• Access the personal data we hold about you
• Correct inaccurate personal data
• Request deletion of your personal data
• Object to processing of your personal data
• Request restriction of processing
• Data portability

To exercise these rights, please contact us via the contact form.

Children's Privacy

GestationCalc is not directed at children under 13. We do not knowingly collect personal information from children under 13.

Changes to This Policy

We may update this Privacy Policy periodically. Changes will be posted on this page with an updated "Last updated" date.

Contact

Questions about this Privacy Policy? Use our contact form.