Privacy Policy
1. Who we are
DevFest.cz 2026 is organised by GDG Czech Republic (Google Developer Group Czech Republic), a volunteer community group. For privacy-related enquiries, contact us at info@devfest.cz.
2. Data we collect and why
a) Newsletter sign-up
When you submit your email address via the notification form, we store it in SmartEmailing (our email service provider) to send you conference updates such as ticket availability announcements and event news. Legal basis: consent (GDPR Art. 6(1)(a)). You may unsubscribe at any time via the link in every email.
b) Analytics cookies
If you accept cookies, we use Google Firebase Analytics (measurement ID G-L5NK2S2EZ0) to collect anonymised usage statistics — pages visited, session duration, browser type — so we can improve the website. No personally identifiable information is included. Legal basis: consent (GDPR Art. 6(1)(a)). You can withdraw consent at any time by clicking "Decline" in the cookie banner (clear your browser storage to see it again).
c) Server logs
Our hosting provider (Firebase Hosting) automatically records standard access logs (IP address, browser, requested URL). These are retained for up to 30 days for security purposes. Legal basis: legitimate interests (GDPR Art. 6(1)(f)).
3. Cookies
We use the following cookies:
| Name | Purpose | Duration |
|---|---|---|
cookie-consent | Stores your cookie preference (localStorage) | Until you clear browser storage |
_ga, _ga_* | Google Analytics — only set after consent | 2 years |
4. Data sharing
We do not sell your data. We share it only with the processors listed above (SmartEmailing, Google Firebase) under data processing agreements, and only to the extent necessary to provide the services described.
5. Your rights
Under GDPR you have the right to:
- Access the personal data we hold about you
- Request correction or deletion of your data
- Withdraw consent at any time (this does not affect prior processing)
- Lodge a complaint with the Czech Data Protection Authority (uoou.cz)
To exercise these rights, email us at info@devfest.cz.
6. Changes to this policy
We may update this policy as the website evolves. The "last updated" date at the top reflects the most recent revision. Material changes will be announced via our newsletter.