Cookie Policy
Last updated: January 25, 2026
1. What Are Cookies
Cookies are small text files that are placed on your computer or mobile device when you visit a website. They are widely used to make websites work more efficiently, as well as to provide information to the website owners.
2. How We Use Cookies
Engineering Notes uses cookies for the following purposes:
- Essential functionality: To enable core website features like secure login and cookie consent management
- Analytics: To understand how visitors interact with our website (only with your consent)
- Preferences: To remember your settings such as theme and language preferences
3. Types of Cookies We Use
3.1 Essential Cookies
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in, or filling in forms.
Essential Cookies
| Cookie Name | Purpose | Duration |
|---|---|---|
| next-auth.session-token | User authentication session | Session |
| next-auth.csrf-token | Cross-site request forgery protection | Session |
| cookie-consent | Stores your cookie preferences | 1 year |
| visitor-id | Anonymous visitor identifier for consent tracking | 1 year |
3.2 Analytics Cookies
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. They are only placed with your explicit consent.
Analytics Cookies
| Cookie Name | Purpose | Duration |
|---|---|---|
| _ga | Google Analytics - distinguishes users | 2 years |
| _ga_* | Google Analytics - maintains session state | 2 years |
3.3 Preference Cookies
These cookies enable the website to remember choices you make (such as your preferred theme or language) and provide enhanced, more personalized features. They are only placed with your explicit consent.
Preference Cookies
| Cookie Name | Purpose | Duration |
|---|---|---|
| theme | Stores your preferred color theme (light/dark) | 1 year |
| locale | Stores your preferred language | 1 year |
3.4 Marketing Cookies
We do not currently use marketing cookies. If this changes in the future, we will update this policy and obtain your consent before placing any marketing cookies.
4. Managing Your Cookie Preferences
When you first visit our website, you will see a cookie banner that allows you to:
- Accept All: Enable all categories of cookies
- Reject All: Allow only essential cookies
- Customize: Choose which categories of cookies to allow
You can change your preferences at any time by clearing your browser cookies and revisiting our site, or by using the cookie settings in your browser.
5. Browser Cookie Controls
Most web browsers allow you to control cookies through their settings. Here are links to cookie management instructions for common browsers:
Note: Disabling certain cookies may affect the functionality of this website.
6. Third-Party Cookies
Some cookies are placed by third-party services that appear on our pages. We use the following third-party services:
- Google Analytics: For website traffic analysis (only with your consent)
We do not have control over third-party cookies. Please refer to the respective third-party privacy policies for more information.
7. Changes to This Policy
We may update this Cookie Policy from time to time to reflect changes in technology, legislation, or our data practices. Any changes will be posted on this page with an updated revision date.
8. Contact Us
If you have any questions about our use of cookies, please contact us at privacy@engnotes.dev or visit our Contact page.