Legal
Cookie policy
Last updated November 14, 2026
The short version
We use essential browser storage to make the course work: saving your lesson progress, XP, streak, badges and preferences. We don't use advertising cookies or cross-site trackers.
What we store
| Name | Type | Purpose |
|---|---|---|
cca_state | Local storage | Completed lessons, quiz scores, XP, streak and badges |
cca_user | Local storage | Your signed-in account on this device |
cca_cookie, cca_lead_seen, cca_ann_x | Local storage | Remembering that you dismissed a banner or popup |
Third parties
- Stripe sets its own cookies on its checkout pages to process payments securely and prevent fraud.
- Google Fonts delivers our typefaces. Your browser requests the font files from Google's servers.
Your choices
You can clear site data at any time in your browser settings. Doing so resets your progress on that device. Choosing "Essential only" in the cookie banner is always respected, because we don't use non-essential trackers.