The Open Cookie Database is an effort to describe and categorise all major cookies. All cookie descriptions are saved in a downloadable CSV file. All contributions to the CSV file are welcomed.

The definitions of the categories are as follows:

• Functional (also known as technical, essential or strictly necessary)
• Preferences (also known as functionality)
• Analytics (also known as perfromance or statistics)
• Marketing (also known as tracking or social media)

You can also visit: https://cookiedatabase.org/function-and-purpose-of-cookies/ to know more.