Cookie Policy

Last updated: January 11, 2026

This Cookie Policy explains how Lab28 ("we," "us," "our") uses cookies and similar technologies on our website (lab28.hlavac.business) and mobile applications. This policy is part of our commitment to GDPR compliance and user privacy.

1. What Are Cookies?

Cookies are small text files stored on your device when you visit our website. They help us provide a better user experience by remembering your preferences and understanding how you use our services.

2. How We Use Cookies

2.1 Essential Cookies (Always Active)

These cookies are necessary for the website to function properly:

• Session Cookies: Maintain your login session and security
• Authentication Cookies: Keep you logged in securely
• CSRF Protection: Prevent cross-site request forgery attacks

2.2 Analytics Cookies (Google Analytics 4)

We use Google Analytics 4 (GA4) to understand how visitors use our website:

3. Google Analytics Data Collection

3.1 What We Collect

Google Analytics collects the following information:

• Pages visited and time spent on each page
• Device information (browser type, screen resolution, operating system)
• Geographic location (country, city - anonymized)
• Referral sources (how you found our website)
• User interactions (clicks, scrolls, form submissions)
• Technical data (IP address - anonymized)

3.2 Data Processing

Google Analytics data is processed by Google LLC in the United States. We have enabled IP anonymization to comply with GDPR requirements. Data is retained for 26 months before automatic deletion.

3.3 Legal Basis

Our use of Google Analytics is based on legitimate interest (Article 6(1)(f) GDPR) to improve our website and user experience. You can opt-out at any time.

4. Third-Party Cookies

4.1 Google Analytics

Provided by Google LLC. Privacy policy: Google Privacy Policy
Opt-out: Google Analytics Opt-out Browser Add-on

4.2 Firebase Services

Used for authentication and data storage. Privacy policy: Firebase Privacy Policy

5. Cookie Consent

By continuing to use our website, you consent to the use of essential cookies. Analytics cookies are optional and can be managed through our cookie consent banner or your browser settings.

6. Managing Cookies

6.1 Browser Settings

You can control cookies through your browser settings:

• Chrome: Settings → Privacy and Security → Cookies
• Firefox: Settings → Privacy & Security → Cookies
• Safari: Preferences → Privacy → Manage Website Data
• Edge: Settings → Cookies and site permissions

6.2 Opt-out Options

• Google Analytics Opt-out
• Google Ads Settings

7. Data Retention

Analytics data is retained for 26 months. Essential cookies are deleted when you close your browser or log out. Authentication cookies expire after your session.

8. Updates to This Policy

We may update this Cookie Policy to reflect changes in our practices or legal requirements. Significant changes will be communicated via our website.

9. Contact Us

Cookie and Privacy Officer