YouTube uses various tracking cookies and storage limits to collect user data and improve video experiences. Here are some key examples:
* **HTML Local Storage**: Used to track user interactions with embedded content, with a maximum storage duration of 180 days.
* **HTTP Cookie**: Used for tracking user interactions, with varying maximum storage durations ranging from session-based to 1 day or 180 days.
These cookies and storage limits are essential for YouTube’s implementation and functionality. They help the platform collect statistics on what videos users have seen and provide personalized experiences.
Some notable examples include:
* **yt.innertube::nextId** and **yt.innertube::requests**: Used to track video viewing history.
* **ytidb::LAST_RESULT_ENTRY_KEY**: Tracks user interactions with embedded content.
* **YtIdbMeta#databases**: Stores user data in IndexedDB.
The use of these cookies and storage limits allows YouTube to provide a better viewing experience for its users.
Source: https://www.pressreader.com/malaysia/the-star-malaysia/20250202/282445649747642