Privacy Policy

Last updated: May 2026

Responsible

What data we collect

This site uses Google Analytics 4 (GA4) — only when you have given explicit consent — to collect anonymous traffic data: pages visited, session duration, approximate geographic location (country/city level), and device type. No personally identifiable information is stored.

Strictly necessary functionality (theme preference, cookie consent choice) is stored in your browser's localStorage and never leaves your device.

Purpose

To understand how visitors use the site in order to improve its content and structure.

Legal basis

Your explicit consent, given through the cookie banner. You may withdraw consent at any time by clearing this site's localStoragein your browser settings, or by refreshing the page and choosing "Reject" if the banner reappears.

Data processor

Google LLC, operating under EU Standard Contractual Clauses. GA4 data is processed in the United States under GDPR-compliant data transfer mechanisms. See Google's privacy policy.

Retention

Analytics data is retained for 14 months (Google Analytics default). localStorage data persists until you clear your browser data.

Your rights

Under GDPR you have the right to:

Access your data
Rectify inaccuracies
Request erasure
Restrict processing
Data portability
Object to processing

To exercise these rights, contact javier@zao3d.com.

Supervisory authority

You may lodge a complaint with your national data protection authority. In Spain: Agencia Española de Protección de Datos (aepd.es).