Cookie Policy
Last updated: December 21, 2025
What Are Cookies?
Cookies are small text files stored on your device when you visit a website. They help the site remember your preferences, understand how you use the site, and improve your experience.
How We Use Cookies
diffray uses cookies and similar technologies for the following purposes:
Essential Cookies
Required for the website to function. These cannot be disabled.
- Authentication and session management
- Security features (CSRF protection)
- Load balancing
Analytics Cookies
Help us understand how visitors interact with our website.
- Vercel Analytics — page views, performance metrics
- Google Analytics — user behavior, traffic sources
You can opt out of these through our cookie banner or browser settings.
Preference Cookies
Remember your choices such as cookie consent preferences.
Cookies We Use
| Cookie | Type | Purpose | Duration |
|---|---|---|---|
| diffray-cookie-consent | Essential | Stores your cookie preferences | 1 year |
| __session | Essential | Authentication session | Session |
| _ga, _gid | Analytics | Google Analytics tracking | 2 years / 24h |
| va_* | Analytics | Vercel Analytics | Session |
Third-Party Cookies
Some cookies are set by third-party services that appear on our pages:
- Google — Analytics and Tag Manager
- Vercel — Analytics and performance monitoring
- GitHub — OAuth authentication
Managing Cookies
You can control cookies in several ways:
- Cookie Banner: When you first visit our site, you can accept or decline non-essential cookies.
- Browser Settings: Most browsers allow you to block or delete cookies. See your browser's help documentation for instructions.
- Google Analytics Opt-out: Install the browser add-on
Note: Blocking essential cookies may prevent you from using certain features of our Service.
Updates to This Policy
We may update this Cookie Policy from time to time. Changes will be posted on this page with an updated revision date.
Contact Us
Questions about our use of cookies? Contact us at privacy@diffray.ai
For more information about how we handle your data, please see our Privacy Policy.