You can change your mind.
Reopen these controls from the footer. Withdrawing analytics stops future optional use and clears accessible analytics cookies. It does not erase information already sent to a provider.
Essential features keep the website working. Optional choices are yours to make.
Reopen these controls from the footer. Withdrawing analytics stops future optional use and clears accessible analytics cookies. It does not erase information already sent to a provider.
A technical inventory of the built-in features. Provider settings and any later integrations need owner review.
| Storage | Purpose | Category | Duration |
|---|---|---|---|
| ct_session / XSRF-TOKEN First-party cookie | Session security and protection of submitted forms. | Essential | Session configuration; normally 120 minutes. |
| ct_privacy Encrypted first-party cookie | Remember privacy choices and the preference-notice revision. | Essential | 180 days. |
| ct_theme, ct_low_data, ct_sidebar, ct_music, ct_trust_quiet, ct_trust_favourites, ct_dashboard_{user} Local storage | Remember appearance and navigation choices when preference storage is allowed. | Preferences | Until cleared or preference storage is withdrawn. |
| Draft recovery and offline lesson stores Local storage / IndexedDB | Optional device features explicitly enabled in their own controls; never analytics. | Requested feature | Draft recovery up to 7 days; lesson authorisation and device cleanup controls apply. |
| Static asset cache Service-worker cache | Cache public static assets and show an offline fallback. Private responses are not stored by this cache. | Requested/offline feature | Until replaced by a new asset version or cleared on the device. |
| _ga / _ga_* Google Analytics cookies | Optional website usage measurement, only when configured and allowed. | Analytics | Provider configuration; review the actual deployed settings. |