Cookie Policy
Last Updated: 16 January 2026
This Cookie Policy explains how SDF Prep ("we", "us", or "our") uses cookies and similar tracking technologies when you visit our website and use our Service. This Policy should be read alongside our Privacy Policy.
By using our Service, you consent to the use of cookies in accordance with this Policy. You can manage your cookie preferences at any time through your browser settings or our cookie consent banner.
1. What Are Cookies?
Cookies are small text files that are placed on your device (computer, tablet, or mobile) when you visit a website. They are widely used to make websites work more efficiently and to provide information to website owners.
Cookies allow a website to recognise your device and store some information about your preferences or past actions. They help us provide you with a better experience when you browse our website and allow certain features to function properly.
2. How We Use Cookies
We use cookies for the following purposes:
- Essential Functionality: To enable core functionality of the Service, including user authentication and session management
- Security: To protect against fraud and maintain the security of the Service
- User Preferences: To remember your preferences and settings
- Performance: To understand how visitors interact with our website and improve performance
3. Types of Cookies We Use
3.1 Strictly Necessary Cookies
These cookies are essential for the Service to function properly. They enable core functionality such as user authentication, session management, and security features. Without these cookies, the Service cannot operate effectively.
Examples:
- next-auth.session-token: Used by NextAuth.js to maintain your authenticated session
- next-auth.csrf-token: Security token to prevent cross-site request forgery attacks
- cookieConsent: Stores your cookie consent preferences
Can you disable these? No. These cookies are essential and cannot be disabled without affecting the functionality of the Service.
3.2 Functional Cookies
These cookies enhance functionality and personalisation. They remember your preferences and choices to provide a more personalised experience.
Can you disable these? Yes, but this may affect your user experience and some features may not work as intended.
3.3 Performance Cookies
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. This helps us improve the way our website works.
Can you disable these? Yes, you can disable these cookies without affecting the core functionality of the Service.
4. Third-Party Cookies
Some cookies are placed by third-party services that appear on our pages. We use the following third-party services that may set cookies:
4.1 Google OAuth
When you sign in using Google OAuth, Google may set cookies to manage the authentication process. These cookies are subject to Google's Privacy Policy.
4.2 Stripe
When you make a payment, Stripe may set cookies to process your transaction securely. These cookies are subject to Stripe's Privacy Policy.
5. Cookie Duration
We use both session cookies and persistent cookies:
- Session Cookies: These are temporary cookies that expire when you close your browser. They are used to maintain your session while you use the Service.
- Persistent Cookies: These cookies remain on your device for a set period or until you delete them. They help us recognise you when you return to our website.
Most authentication cookies expire after 30 days of inactivity, but this may vary depending on your usage patterns.
6. Managing Your Cookie Preferences
6.1 Cookie Consent Banner
When you first visit our website, you will see a cookie consent banner. You can accept all cookies, reject non-essential cookies, or customise your preferences. Your choice will be remembered for future visits.
6.2 Browser Settings
You can control cookies through your browser settings. Most browsers allow you to:
- See what cookies you have and delete them individually
- Block third-party cookies
- Block cookies from particular websites
- Block all cookies
- Delete all cookies when you close your browser
Note: If you block or delete cookies, some features of the Service may not function properly. Essential cookies cannot be disabled as they are necessary for the Service to operate.
6.3 Changing Your Preferences
You can change your cookie preferences at any time by clearing your browser cookies and revisiting our website, or by contacting us through our contact page.
7. Updates to This Cookie Policy
We may update this Cookie Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of any material changes by posting the updated Policy on this page and updating the "Last Updated" date.
Your continued use of the Service after any changes to this Policy constitutes your acceptance of the updated Policy.
8. Contact Us
If you have any questions about our use of cookies or this Cookie Policy, please contact us through our contact page or visit our FAQ page.
Questions About Cookies?
If you have questions about how we use cookies or wish to manage your cookie preferences, please contact us.