What is the use of cookie acquisition?

The functions of cookie acquisition include "session management", "personalized experience", "shopping cart and e-commerce", "advertising tracking" and "website statistics and analysis": 1. Session management, use Used to track user sessions between the client and the server; 2. Personalized experience, websites can use cookies to store user preferences, language choices, themes and other information; 3. Shopping carts and e-commerce, on e-commerce websites, cookies It can be used to store the user's shopping cart information, product preferences, browsing history, etc.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Cookies have many uses in web development, mainly including the following aspects:

1. Session management: The most common use is for use on the client (usually is a user session that is tracked between the browser) and the server. The server can set a unique session identifier (Session ID) as the value of the cookie and send the identifier to the client for storage after the user logs in. The client brings this session identifier back to the server on subsequent requests, allowing the server to identify the specific user session and keep the user logged in.

2. Personalized experience: Websites can use cookies to store user preferences, language choices, themes and other information to provide a personalized experience the next time the user visits. This helps improve user experience and increase user stickiness.

3. Shopping cart and e-commerce: On e-commerce websites, cookies can be used to store users’ shopping cart information, product preferences and browsing history to provide more personalized recommendations and shopping experience.

4. Advertising Tracking: Third-party advertisers may use cookies to track users’ browsing behavior and interests to provide relevant advertising content. This is one of the reasons why we often see relevant ads after browsing certain websites.

5. Website statistics and analysis: Website owners can use cookies to collect data such as user access patterns, traffic sources, page views, etc. for website analysis and improvement.

In general, the main role of cookies is to pass information between the client (browser) and the server to achieve session management, personalized experience, ad tracking and data collection and other functions. However, it should be noted that although cookies provide these functions, they also have some privacy and security issues, so developers and website owners need to handle and use cookies carefully to protect user privacy and security.

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