Cookies & analytics

We keep cookies to a minimum and use no advertising or third-party tracking cookies.

Essential

rf_anon: a signed, random identifier so guests get their free daily checks and can re-open reports. 13 months.

Sign-in session: stored in your browser's session storage by the Steady Circuit account service while you are signed in.

Analytics

rf_vid / rf_sid (browser storage): random identifiers for our own first-party, statistical analytics, used to count visitors and understand which features help people. These are set under the exemption for statistical analytics cookies introduced by the Data (Use and Access) Act 2025. You can switch them off below. We also honour Do Not Track and Global Privacy Control signals automatically.