Privacy Policy
Privacy Policy
Controller: Grigoriy Dobryakov
Contact: privacy@dobryakov.net
Last updated: 2026-11-11
What this service does
This site publishes file-based courses and tracks learning progress for signed-in users. Authentication uses Google Sign-In.
Data we process
- Account data from Google: name, email, profile image.
- Learning data: course enrollments, topic views, quiz attempts and scores.
- Technical logs: server logs for reliability and abuse prevention.
- Cookie preference: your analytics Accept/Reject choice.
Cookies
| Category | Purpose | Consent |
|---|---|---|
| Necessary | Keep you signed in; remember cookie preference | Not required |
| Analytics | Google Analytics and/or Yandex Metrika usage measurement | Required |
Analytics scripts load only after you Accept analytics. Reject keeps them off. You can change this anytime via Cookie settings in the footer.
Processors
- Google (Sign-In; Analytics if enabled and consented)
- Yandex (Metrika if enabled and consented)
- Hosting/infrastructure operators for this server
Retention
Account and progress data are kept while the service is offered and your account remains. Logs are retained for a limited operational period.
Your rights
Depending on applicable law (including GDPR where it applies), you may request access, correction, or erasure of personal data by emailing the contact above.
Changes
We may update this policy; the “Last updated” date will change when we do.