Last updated: 17 August 2026
Cookies are small files a site stores in your browser. We also use local storage, which works in a similar way. This policy explains what we use and why.
cf_cookie_consent — stores your choice about analytics cookies. Duration: until you clear browser data.cf_lang, cf_ui_lang, cf_exam_lang — the language you chose for the site, the interface and the questions.cfResume_… — lets you resume an unfinished study session (expires after 24 hours)._ga and _ga_<ID>. They measure, in aggregate, how many people visit the site and which sections they use. Duration: up to 2 years. IP addresses are anonymised.We do not use advertising or third-party profiling cookies.
On your first visit you will see a banner. Analytics cookies are only enabled if you press “Accept”. You can change your choice at any time from the “Cookie settings” link in the footer, or by clearing site data in your browser.
You can block or delete cookies in your browser settings (Safari, Chrome, Firefox and Edge all provide options). Note that blocking essential cookies may prevent you from signing in to the web console.
The app does not use cookies. For crash diagnostics and usage analytics it relies on device and installation identifiers managed by Firebase, as described in the Privacy Policy.
Data processing: Privacy Policy. Google Analytics: Google’s privacy policy. Questions: team@carnetflow.com.
We use necessary cookies to run the site and, with your consent, analytics cookies. See our Cookie Policy.