Privacy Policy

Last Updated: January 25, 2026

1. Introduction

LearnStruct is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our educational data structures and algorithms visualization platform. By using LearnStruct, you consent to the data practices described in this policy.

2. Information We Collect

We collect the following types of information: AUTOMATICALLY COLLECTED DATA: IP address (processed by our hosting provider), browser type and version, device type and operating system, screen resolution and viewport size, pages visited and data structures viewed, quiz performance and scores, time spent on each page, referring website URLs, and timestamps of activities. LOCALLY STORED DATA: Language preference and theme preference (light/dark mode) stored in your browser's localStorage.

3. How We Use Information

We use collected information to: improve our visualizations and educational content; fix bugs and technical issues; enhance user experience and interface design; analyze usage patterns to identify popular topics; optimize website performance and loading times; ensure security and prevent abuse; and generate aggregated, anonymized statistics about platform usage.

4. Cookies and Tracking

We use cookies and similar tracking technologies: PREFERENCE COOKIES (stored in localStorage): 'theme' stores your light/dark mode preference; 'locale' stores your language preference. ADVERTISING COOKIES (Third-party - Google AdSense): Google AdSense sets cookies to display relevant advertisements. These may track browsing across multiple websites.

5. Data Retention

We retain different types of data for different periods: Server logs (IP addresses) are retained by Vercel for up to 30 days; LocalStorage data (preferences) is kept until you clear browser data; Quiz scores and progress are session-only (not stored on servers); AdSense data is managed by Google per their retention policies; Aggregated statistics are kept indefinitely (contains no personal data).

6. Information Sharing

We do not sell, trade, or rent your personal information. We may share data with Google AdSense for displaying relevant advertisements; with Vercel for website hosting and performance optimization; anonymized, aggregated data for educational research or statistics; when required by law or to protect our legal rights.

7. International Data Transfer

LearnStruct is hosted on Vercel servers that may be located outside your country of residence. By using our service, you consent to the transfer of your information to countries that may have different data protection laws. We take appropriate safeguards including using secure encrypted connections (HTTPS) and working with service providers who maintain industry-standard security practices.

8. Your Privacy Rights

Depending on your location, you may have the following rights: FOR ALL USERS: Access (request what personal data we have about you); Deletion (request deletion of your personal data); Opt-out (disable tracking using browser settings); Correction (request correction of inaccurate data). FOR EU/EEA USERS (GDPR): Right to data portability; Right to restrict processing; Right to object to processing. FOR CALIFORNIA USERS (CCPA): Right to know what personal information is collected; Right to delete personal information; Right to opt-out of sale (we do not sell data).

9. Children's Privacy

LearnStruct is designed as an educational resource suitable for students of all ages. We do not knowingly collect personal information from children under 13 years of age without parental consent. We do not require registration or collection of personal data to use our visualizations. If you are a parent or guardian and believe your child has provided personal information, please contact us immediately.

10. Data Security

We implement appropriate security measures to protect your information, including: encrypted connections (HTTPS) for all data transmission; secure hosting infrastructure provided by Vercel; regular security updates and monitoring; minimal data collection practices. However, no method of transmission over the Internet is 100% secure.

11. Third-Party Services

LearnStruct uses the following third-party services: GOOGLE ADSENSE (Advertising): Displays advertisements to support free educational content. Privacy Policy: https://policies.google.com/privacy. VERCEL (Hosting & CDN): Provides website hosting and content delivery. Privacy Policy: https://vercel.com/legal/privacy-policy. We recommend reviewing these third-party privacy policies for complete information.

12. Changes to This Policy

We may update this Privacy Policy to reflect changes in our practices, technology, or legal requirements. Significant changes will be announced via a prominent notice on our website. The 'Last Updated' date will be revised. Your continued use of LearnStruct after changes constitutes acceptance of the updated terms.

13. Contact Us

For questions, concerns, or requests regarding this Privacy Policy or your personal data, contact us: EMAIL: jameelahmedkalhoro@gmail.com. LINKEDIN: https://www.linkedin.com/in/jameel-ahmed-33v/. We respond to verified privacy requests within 30 days.