What cookies are
Cookies are small text files placed on your device when you visit a website. We use them only to keep this site working, to remember your language, to secure our forms, and to understand how the site performs.
You can separately allow Google analytics and advertising measurement. If you allow advertising measurement, we retain campaign and click identifiers to understand which ads lead to enquiries. We do not sell your data. You may change your choices below; rejecting optional measurement does not prevent an enquiry or material test.
Cookies we use
| Cookie | Purpose | Type | Retention |
|---|---|---|---|
| Privacy preferences (local storage) | Remembers your separate choices for Google analytics and advertising measurement. | Preference | 180 days |
| Advertising attribution (local storage) | With permission, links campaign and click identifiers to enquiries. Personalized advertising is not enabled by this choice. | Optional advertising measurement | Up to 90 days on this browser; submitted attribution follows enquiry retention |
| Locale / host preference | Remembers the language (EN/ES) you are served. | Essential | Session / up to 12 months |
| Material-test session | Keeps your AI visual preview upload and verification flow working. | Essential | Until the test session expires |
| Security & load balancing | Protects forms from abuse and routes requests reliably. | Essential | Session |
| Performance analytics | Aggregated, anonymised measurement of how pages perform. | Performance | Up to 24 months |
How to control cookies
You can delete or block cookies through your browser settings. Note that blocking essential cookies may stop the enquiry forms and the material test from working correctly.
See also our Privacy Policy. For any question, email [email protected].
Last updated: 2026-10-09