Privacy-First

Cookies Policy

We believe in a web without surveillance. TensorFoundry only uses essential cookies for secure authentication and saving your preferences - no tracking, no advertising, no compromise on your privacy.

Last updated: November 9, 2025

The Simple Truth: Essential Cookies Only

Authentication & Preferences Only. No Tracking. No Compromise.

TensorFoundry only uses essential cookies for authentication when you log into protected areas and for saving your preferences to improve your experience. We NEVER use cookies for tracking, advertising, or analytics. When browsing our public website, no cookies are set at all - your browser remains exactly as you left it.

This isn't just about compliance with privacy laws. It's about respecting you as a visitor and demonstrating that we can maintain security and user experience without compromising your privacy through invasive tracking technologies.

What Are Cookies?

Understanding the technology we choose not to use

Cookies are small text files that websites place on your computer or mobile device when you visit them. While they can serve legitimate purposes, they're often used for tracking and profiling users across the web.

Common Types of Cookies (That We DON'T Use)

Session Cookies

Temporary cookies that exist only while you browse a website. They're deleted when you close your browser. We don't use these.

Persistent Cookies

Cookies that remain on your device for a set period or until you delete them. Often used for remembering preferences or tracking. We don't use these.

Analytics Cookies

Used to collect information about how visitors use a website. While useful for improvements, they can be privacy-invasive. We use cookieless analytics instead.

Advertising Cookies

Cookies that track you across websites to build a profile for targeted advertising. We never use these - we don't do advertising tracking.

Social Media Cookies

Placed by social media platforms to track your activity even when you're not on their sites. We don't use any social media tracking.

Essential Cookies We Use

Strictly necessary for functionality and your preferences - nothing more

While we maintain a strong stance against tracking, we do use minimal essential cookies for authentication and remembering your explicit choices. These cookies are strictly functional, never for tracking or advertising.

What We DO Use (Only for Essential Functions)

Session Authentication Cookie

A secure, encrypted session identifier that verifies you're logged in. Contains no personal data or tracking information. Automatically deleted when you log out or your session expires. Only set when you explicitly log in.

CSRF Protection Token

Prevents cross-site request forgery attacks to keep your account secure. This is a security measure required for safe authentication. Contains only a random token, no user data.

User Preference Cookies

Only set when you make explicit choices in our applications. These remember your preferences like:

  • Language/locale selection (if you choose a non-default language)
  • Dashboard layout preferences (for logged-in users)
  • Notification settings (what alerts you want to receive)
  • Display preferences (table view vs. card view, sorting preferences)
  • Accessibility settings (high contrast mode, font size adjustments)

Important: These cookies only store your explicit choices - never behavioural tracking. They're optional, you can clear them anytime and they never leave TensorFoundry's servers. If you don't make any preference selections, no preference cookies are set.

What We NEVER Use

Tracking Cookies
Analytics Cookies
Advertising Cookies
Third-Party Cookies
Social Media Cookies
Behavioural Tracking

Important Distinction: Our preference cookies are fundamentally different from tracking cookies. They only store what YOU explicitly choose (like language or layout), never track your behavior, never follow you across sites, and never leave TensorFoundry's servers. Think of them as your personal settings file, not a surveillance tool.

Important: You can browse our entire public website without any cookies being set. Essential cookies are ONLY used when you explicitly log into protected services or make preference choices, and authentication cookies are immediately deleted when you log out. Preference cookies can be cleared at any time through your browser settings. None of our cookies contain tracking information or are ever shared with third parties.

Our Privacy-First Approach

How we deliver a modern web experience with minimal cookies

Why We Minimize Cookie Usage

At TensorFoundry, we believe that respecting user privacy isn't just good ethics - it's good business. We've architected our website to function with only essential cookies for authentication and user preferences because:

  • Privacy is a fundamental right: You shouldn't have to accept tracking just to learn about our products. Our public website requires zero cookies.
  • Functionality without surveillance: We use cookies only for essential functions - authentication and saving your explicit preferences - never for tracking, profiling, or analyzing your behavior.
  • Trust builds better relationships: When we respect your privacy, we earn your trust. Our minimal cookie use demonstrates this commitment.
  • User control is paramount: Preference cookies only store what you explicitly choose, and you can clear them anytime. No tracking, no advertising, no analytics - just your settings.
  • Transparency matters: We're clear about what we use and why - no hidden trackers, no complex consent banners, no GDPR cookie complications.

How We Handle Different Types of Preferences

We use different technologies for different types of preferences, always choosing the most privacy-respecting option:

Local Storage (Public Website Preferences)

For preferences on our public website (like theme selection), we use your browser's localStorage API:

  • Stored only on your device (never sent to our servers)
  • Not a cookie (doesn't get transmitted with requests)
  • Completely under your control via browser settings
  • Used solely for visual preferences like light/dark mode

Essential Preference Cookies (Logged-In Users Only)

For authenticated users who need preferences to sync across devices or sessions:

  • Only set when you explicitly choose preferences in our applications
  • Store your choices like language, dashboard layout, or notification settings
  • Never used for tracking or behavioural analysis
  • Can be cleared anytime without losing account access
  • Stay entirely within TensorFoundry's servers
Key Difference: Unlike tracking cookies that monitor your behavior, our preference cookies are just a secure way to remember what YOU told us you want. They're your personal settings, not surveillance tools.

Analytics Without Cookies

We use PostHog configured in cookieless mode for basic analytics. This helps us understand site performance without tracking individual users:

  • No cookies placed in your browser
  • No persistent user identifiers
  • No cross-session or cross-site tracking
  • Only aggregated, anonymized data

Learn more in our Privacy Policy.

Third-Party Services

External services and their cookie policies

Embedded Content

While TensorFoundry doesn't use cookies, some third-party content we might embed (such as videos or code examples) could attempt to set cookies. We minimize the use of such embeds, but when necessary:

  • We prefer privacy-respecting alternatives (e.g., YouTube's privacy-enhanced mode)
  • We clearly mark external content
  • We cannot control third-party cookie policies, but we choose partners carefully

External Links

When you click links to external websites (like our GitHub repositories or documentation), those sites may use cookies. Our cookie-free policy applies only to tensorfoundry.io and its subdomains.

CDN and Hosting

Our site is delivered via Netlify's content delivery network (CDN). Netlify does not set cookies for static site delivery. Any technical headers used for routing or caching are not cookies and don't track individual users.

Managing Cookies in Your Browser

Take control of cookies across the web

While we don't use cookies, other websites do. Here's how to manage cookies in your browser:

General Cookie Controls

All modern browsers allow you to:

  • Block all cookies (though this may break some websites)
  • Block third-party cookies (recommended for privacy)
  • Clear existing cookies
  • See which sites have stored cookies
  • Set exceptions for trusted sites

Browser-Specific Settings

Chrome Firefox Safari Edge

Privacy-Focused Alternatives

For maximum privacy, consider using browsers that block tracking by default:

  • Brave: Blocks ads and trackers automatically
  • Firefox Focus: Privacy-focused mobile browser
  • Tor Browser: Maximum privacy and anonymity
  • DuckDuckGo Browser: Built-in tracking protection

Do Not Track Signals

We respect Do Not Track (DNT) signals, though they're somewhat redundant for us since we don't track anyone anyway. If your browser sends a DNT signal, you can be assured that:

  • We honour your preference (though we wouldn't track you regardless)
  • We don't change our behaviour based on DNT (we never track)
  • Your privacy is protected by default, not by request

Changes to This Policy

We may update this Cookies Policy from time to time, though we don't expect significant changes given our commitment to remaining cookie-free. When we make changes:

1

We'll Update the Date

The "Last updated" date at the top will reflect when changes were made.

2

We'll Note Major Changes

If we ever decided to use cookies (highly unlikely), we would prominently announce this change and seek appropriate consent.

3

We'll Maintain Our Commitment

Our core commitment to a cookie-free experience will remain unchanged.

Questions About Our Cookie-Free Approach?

We're proud of our cookie-free website and happy to discuss our approach to privacy-respecting web development. Whether you're curious about the technical implementation or considering a similar approach for your own site, we'd love to hear from you.

Email Us

legal@tensorfoundry.io

For questions about cookies, privacy, or our technical approach

Open Source

View our code

See how we build cookie-free web applications

Privacy by Design

This Cookies Policy reflects our broader commitment to privacy-first development. We believe the future of the web is cookie-free, tracking-free and built on respect for user privacy. By choosing TensorFoundry, you're supporting this vision.

Thank you for taking the time to understand our approach to cookies (or rather, our approach to not using them). Your privacy matters and we're committed to protecting it.