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Last updated: January 11, 2025

1. What Are Cookies?

Cookies are small text files that are placed on your device when you visit our website. They help us provide you with a better experience by remembering your preferences, analyzing how you use our Service, and enabling certain functionalities.

2. How We Use Cookies

zenn.engineering (zenn.engineering) uses cookies for the following purposes:

2.1 Essential Cookies

These cookies are necessary for the Service to function properly:

Authentication: To keep you logged in during your session
Security: To protect against cross-site request forgery and other attacks
Load Balancing: To ensure optimal performance across our servers
User Preferences: To remember your language and theme settings

2.2 Functional Cookies

These cookies enhance your experience:

AI Model Selection: To remember your preferred AI models
Code Editor Settings: To save your editor preferences
UI Customization: To maintain your interface preferences
Recent Activity: To provide quick access to recent projects

2.3 Analytics Cookies

We use analytics cookies to understand how users interact with our Service:

Usage Patterns: To identify popular features and improve our Service
Performance Monitoring: To detect and fix technical issues
User Journey: To optimize the user experience

2.4 Marketing Cookies

With your consent, we may use marketing cookies to:

Show relevant advertisements on other platforms
Measure the effectiveness of our marketing campaigns
Understand how you discovered our Service

3. Types of Cookies We Use

3.1 First-Party Cookies

These are cookies set directly by zenn.engineering (zenn.engineering):

Cookie Name	Purpose	Duration
session_token	User authentication	Session
user_preferences	UI settings and preferences	1 year
selected_model	Last selected AI model	30 days
theme	Light/dark mode preference	1 year

3.2 Third-Party Cookies

These cookies are set by our service providers:

Provider	Purpose	More Information
Stripe	Payment processing	Stripe Privacy Policy
Google Analytics	Usage analytics	Google Privacy Policy
Cloudflare	Security and performance	Cloudflare Privacy Policy

4. Managing Cookies

4.1 Cookie Consent

When you first visit zenn.engineering, we will ask for your consent to use non-essential cookies. You can change your preferences at any time through the cookie settings in your account.

4.2 Browser Settings

You can control cookies through your browser settings. Most browsers allow you to:

View what cookies are stored on your device
Delete cookies individually or all at once
Block third-party cookies
Block all cookies from specific websites
Block all cookies entirely

Here are links to cookie management instructions for popular browsers:

4.3 Impact of Disabling Cookies

Please note that disabling certain cookies may impact your experience:

Essential cookies: The Service may not function properly
Functional cookies: You may lose saved preferences
Analytics cookies: We won't be able to improve our Service based on usage data
Marketing cookies: You may see less relevant advertisements

5. Local Storage

In addition to cookies, we use local storage to enhance performance:

Session Storage: Temporary data that expires when you close your browser
Local Storage: Persistent data for offline functionality and caching
IndexedDB: For storing larger amounts of structured data locally

6. Do Not Track

zenn.engineering respects Do Not Track (DNT) browser signals. When we detect a DNT signal, we:

Disable third-party analytics cookies
Limit tracking to essential Service functionality only
Do not share data with advertising partners

7. Children's Privacy

zenn.engineering is not intended for users under 13 years of age. We do not knowingly collect cookies or tracking information from children.

8. International Users

For users in the European Economic Area (EEA), United Kingdom, and California, we comply with GDPR, UK GDPR, and CCPA requirements respectively, including:

Obtaining explicit consent for non-essential cookies
Providing clear information about cookie usage
Offering easy ways to withdraw consent
Respecting user privacy rights

9. Changes to This Policy

We may update this Cookie Policy from time to time. We will notify you of any significant changes by posting a notice on our Service or sending you an email.

10. Contact Us

If you have questions about our use of cookies, please contact us at:

Company: AltaLink Core LLC
Email: support[at]zenn.engineering
Phone: +1 (719) 316-4566
Location: 1500 N GRANT ST, STE N, Denver, CO 80203

11. More Information

For more information about cookies in general, you can visit: