Last updated 16 October 2026. This page lists what the website stores in your browser.
In short
We use one cookie that keeps you signed in, and a few settings saved in your browser. We do not use advertising or analytics cookies.
Cookie we set
| Name | Purpose | Lifetime |
|---|---|---|
| s | Keeps you signed in to the portal. It is HTTP-only, secure and same-site, so scripts cannot read it and it is not sent from other sites. | Up to 8 hours, or until you sign out |
Settings saved in your browser
The portal saves a few choices in your browser’s local storage, such as your theme, sound and animation settings, video player preferences and which announcements you have seen. These stay on your device and are not sent to us.
Third parties
Some lessons embed videos from YouTube (using its privacy-enhanced domain). If you play a video, YouTube may set its own cookies under its own policy. The public pages of this site load no third-party scripts or fonts.
Your control
You can clear cookies and site data in your browser at any time. If you block the sign-in cookie you will not be able to sign in.