Privacy Policy

Last updated: 2026-11-08

What we collect

You can use every lab without an account. Your lab progress is stored only in your own browser (localStorage) and never sent to us.

If you subscribe to our email list, we store your email address with our email provider solely to send you updates. You can unsubscribe at any time using the link in every email.

Analytics

We may use privacy-friendly analytics (such as Cloudflare Web Analytics) to count page views. It does not use cookies to track you across sites.

Advertising and cookies

We may display ads served by Google. Third-party vendors, including Google, use cookies to serve ads based on a user’s prior visits to this website or other websites. Google’s use of advertising cookies enables it and its partners to serve ads to users based on their visit to this site and/or other sites on the Internet.

You may opt out of personalized advertising by visiting Google Ads Settings or aboutads.info.

Affiliate links

Some outbound links are affiliate links. The destination site may set its own cookies to attribute your visit. See our affiliate disclosure.

Contact

Questions about this policy: the contact details on this page (coming soon).