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Cookie Policy

seba | maths — Effective: 8 April 2026 · Review: 8 April 2027

1. What Are Cookies?

Cookies are small text files stored on your device when you visit a website. They are widely used to make websites work efficiently and to provide information to website owners. This policy explains how seba | maths uses cookies and similar technologies.

2. Types of Cookies We Use

Strictly Necessary CookiesRequired

These cookies are essential for the website to function. They include your cookie consent preference stored in localStorage. These cannot be disabled as the site cannot function without them.

cookie-consent: stores your accept/decline preference
Analytics CookiesOptional

We use privacy-respecting analytics (Umami) to understand how visitors use the site. All data is anonymised — no personal data is collected. Analytics are only activated if you accept cookies.

_umami: anonymised session and page view data (no personal identifiers)

3. Third-Party Cookies

seba | maths does not use third-party advertising, social media, or tracking cookies. We do not share any data with third parties for marketing purposes. The only external service is Umami Analytics, which is self-hosted and GDPR-compliant.

4. Managing Your Cookie Preferences

You can manage your cookie preferences in the following ways:

  • Use the cookie banner that appears on your first visit to accept or decline optional cookies
  • Clear your browser's localStorage to reset your cookie consent preference
  • Use your browser's built-in cookie management tools to block or delete cookies
  • Use browser extensions such as Privacy Badger or uBlock Origin

Note: disabling strictly necessary cookies may affect the functionality of the website.

5. Cookie Retention

Your cookie consent preference is stored in your browser's localStorage and persists until you clear it. Analytics data (if accepted) is retained for a maximum of 24 months in anonymised form.

6. Legal Basis

Strictly necessary cookies are placed on the basis of our legitimate interest in operating the website (Art. 6(1)(f) GDPR). Optional analytics cookies are placed only with your consent (Art. 6(1)(a) GDPR), which you can withdraw at any time.

7. Contact

For any questions about our use of cookies, please contact us at [email protected].