1. User Identification & Session Management
- Session IDs: To keep users logged in across multiple pages.
- Login Status: To remember if a user is logged in or not.
2. Personalization & Preferences
- Site Preferences: Such as language settings, theme choices (dark mode, light mode), and currency preferences.
- Customization: Information about user-selected customization on websites, like layout or font size.
3. Analytics & Performance Data
- Pages Visited: Which pages a user visits and in what order.
- Time Spent on Each Page: How long users stay on certain pages.
- Bounce Rate: Information on whether users leave after visiting a single page.
- Session Duration: How long the overall user session lasts.
4. Behavioral Data
- Clickstream Data: Which links or buttons users click on.
- Scroll Depth: How far users scroll on a webpage.
- Interaction Data: Including form submissions, video plays, and other interactive elements.
5. Geolocation Data
- Approximate Location: Based on the IP address, cookies can store general location information such as city or region.
6. Targeted Advertising & Tracking
- Ads Clicked: Information on which ads were clicked and interactions with them.
- Ad Frequency: To prevent the same ad from being shown repeatedly.
- Interest Profiles: Building a profile based on the types of websites a user visits, their online shopping habits, and preferences for targeted ads.
- Cross-Site Tracking: Tracking user behavior across different websites to build a more detailed profile.
7. Shopping & E-Commerce
- Shopping Cart Data: To keep track of items added to an online shopping cart.
- Previous Purchases: For recommending products based on past purchases or browsing history.
8. Authentication Information
- Remember Me Data: Used for keeping users logged into a site across multiple sessions.
- Token Storage: For websites that use token-based authentication.
9. Device Information
- Browser Type and Version: To optimize website display for different browsers.
- Operating System Information: Stored to better serve content based on the device.
- Device Type: Information like mobile, tablet, or desktop.
10. Referral and UTM Data
- Referrer: Which website or link referred the user to the current page.
- Campaign Tracking: UTM parameters for tracking marketing campaign performance.
11. Consent Data
- Cookie Consent Status: Whether the user has accepted or rejected the cookie policy.