Privacy Policy
Last updated: June 1, 2025 · Effective immediately
Table of Contents
1. Who We Are2. Information We Collect3. How We Use Your Information4. Cookies & Tracking Technologies5. Google AdSense & Advertising6. Third-Party Services7. AI-Generated Content & Data8. Data Storage & Security9. Data Retention10. Your Rights (GDPR / India IT Act)11. Children's Privacy12. Changes to This Policy13. Contact UsThis Privacy Policy explains how CodeZero ("we", "our", "us") collects, uses, and protects information when you use codezero.dev. By using our platform, you agree to the practices described here.
1. Who We Are
CodeZero is an educational platform providing free programming tutorials, AI-powered learning, coding roadmaps, and developer resources. Our website is operated from India and accessible globally.
Data Controller: CodeZero | Email: devopsmechanic@gmail.com
2. Information We Collect
2.1 Information You Provide
- Contact form: Name, email address, message content when you contact us.
- Newsletter: Email address when you subscribe.
- Feedback: Any voluntary feedback or bug reports you submit.
2.2 Information Collected Automatically
- Usage data: Pages visited, time spent, clicks, scroll depth (via Google Analytics).
- Device info: Browser type, operating system, screen size, language preference.
- IP address: Approximate geographic location (country/city level only).
- Referring URL: Which site directed you to CodeZero.
2.3 Information We Do NOT Collect
- Passwords (we have no account system)
- Payment or financial information
- Social security numbers or government IDs
- Precise GPS location
3. How We Use Your Information
| Purpose | Data Used | Legal Basis |
|---|---|---|
| Respond to contact form inquiries | Name, email, message | Legitimate interest / consent |
| Send newsletters (if subscribed) | Email address | Consent |
| Improve platform & fix bugs | Anonymous analytics | Legitimate interest |
| Display relevant advertisements | Cookies (via AdSense) | Consent (cookie banner) |
| Prevent fraud and abuse | IP address, usage patterns | Legitimate interest |
We never sell, rent, or share your personal data with third parties for their marketing purposes.
4. Cookies & Tracking Technologies
We use the following categories of cookies:
| Category | Purpose | Can Opt-Out? |
|---|---|---|
| Strictly Necessary | Core site functionality, security | No |
| Analytics | Google Analytics — anonymous usage stats | Yes |
| Advertising | Google AdSense — personalised/contextual ads | Yes |
| Preferences | Remembering your level/language settings | Yes |
You can manage cookies through our Cookie Policy page or your browser settings.
To opt out of Google Analytics: Google Analytics Opt-out Browser Add-on
5. Google AdSense & Advertising
CodeZero uses Google AdSense (Publisher ID: ca-pub-6244411550751335) to display advertisements that help us keep the platform free.
- Google uses cookies to show ads based on your previous visits to our site and other sites on the Internet.
- Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the Internet.
- You may opt out of personalised advertising by visiting Google Ad Settings.
- Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to our website.
For more information about Google's privacy practices, visit the Google Privacy Policy.
6. Third-Party Services
| Service | Purpose | Privacy Policy |
|---|---|---|
| Google Analytics | Anonymous usage analytics | Link |
| Google AdSense | Advertising revenue | Link |
| Groq AI / OpenRouter | AI Tutor responses | See section 7 |
| Brevo (Sendinblue) | Transactional emails | Link |
| Vercel / AWS | Hosting & CDN | Link |
| Judge0 / RapidAPI | Code execution (IDE) | Link |
7. AI-Generated Content & Data
When you use the CodeZero AI Tutor:
- Your questions are sent to Groq AI (or OpenRouter/Ollama as fallback) for processing.
- CodeZero does not store your AI conversation history. Sessions are ephemeral.
- Groq AI processes your queries under their own privacy policy. Avoid sharing sensitive personal information in AI prompts.
- AI responses are educational only and should be verified against official documentation.
8. Data Storage & Security
- Contact form data is stored in Brevo's GDPR-compliant servers (EU-based).
- We use HTTPS/TLS encryption for all data in transit.
- Analytics data is stored on Google's servers under their data processing agreement.
- We do not maintain our own database of user accounts or passwords.
- If you believe a data breach has occurred, contact us immediately at devopsmechanic@gmail.com.
9. Data Retention
| Data Type | Retention Period |
|---|---|
| Contact form messages | 12 months, then deleted |
| Newsletter email list | Until you unsubscribe |
| Google Analytics data | 14 months (GA default) |
| AI conversation data | Session only (not stored) |
| Server access logs | 30 days |
10. Your Rights (GDPR / India IT Act)
Depending on your location, you may have the following rights:
- Access: Request a copy of the personal data we hold about you.
- Correction: Request correction of inaccurate data.
- Deletion ("Right to be Forgotten"): Request deletion of your personal data.
- Portability: Request your data in a machine-readable format.
- Withdraw consent: Opt out of newsletters, cookies, or analytics at any time.
- Complaint: Lodge a complaint with your local data protection authority.
To exercise any right, email us at devopsmechanic@gmail.com with "Privacy Request" in the subject line. We respond within 30 days.
11. Children's Privacy
CodeZero is designed for users aged 13 and above. We do not knowingly collect personal information from children under 13. If you believe a child under 13 has provided us with personal data, please contact us at devopsmechanic@gmail.com and we will delete it immediately.
12. Changes to This Policy
We may update this Privacy Policy from time to time. When we do, we will update the "Last updated" date at the top. Significant changes will be notified via a banner on the website. Continued use of CodeZero after changes constitutes acceptance of the new policy.
13. Contact Us
For privacy-related questions, requests, or concerns:
Email: devopsmechanic@gmail.com
Subject line: "Privacy Policy Inquiry"
Response time: Within 30 days (usually within 48 hours)
Contact form: codezero.dev/contact