Privacy notice

Effective 2026-11-05

Who we are. This site is run by Olsen Industries LLC, 2A Floyd Drive, Totowa, NJ 07512, USA ("we"). We are the controller of the personal data described here. Contact: contact@olsenindustries.com.

Your answers stay on your device. The practice tests run in your browser. We don't receive or store your answers or scores. If you choose "Save my progress", your progress is stored in your browser on this device only; you can clear it at any time.

What we collect. Our host, Cloudflare, processes standard request data (such as IP address, browser type and the page requested) to deliver and protect the site. We do not use analytics on these pages. If you email us, we use your message and email address only to reply.

Why and on what basis. To run, secure and improve the site. Our lawful basis is legitimate interests (UK GDPR Article 6(1)(f)).

Who receives it. Cloudflare, Inc. processes this data for us as our service provider, in the United States and other countries, under its data processing terms.

How long we keep it. Cloudflare request logs are kept only for Cloudflare's standard short retention periods; we keep no copies. Emails are deleted 12 months after the conversation ends.

Your rights. You can ask for access to, correction or erasure of your personal data, or object to our processing, by emailing us. You can complain to the UK Information Commissioner's Office (ico.org.uk).

No accounts, advertising or tracking cookies. We don't sell personal data, and we don't make automated decisions about you.