What are the advantages and disadvantages of cookies

What are the advantages and disadvantages of Cookies? This article will introduce to you what cookies are? Let everyone know the advantages and disadvantages of cookies, I hope it will be helpful to you.

What are cookies?

A cookie is a message that a web server passes to a web browser when a user visits an Internet site. The browser stores each message as a name-value pair in a small file on the user's computer. When the user requests another page from the server, the browser sends the cookie back to the server. These files usually contain information about the web pages the user visits, as well as any information the user voluntarily provides, such as: user information, user preferences, password remembering options, etc.

Advantages of using Cookies

1. Cookies are easy to use and implement

Implementing cookies Much easier to use than any other Internet protocol.

2. Occupies less memory

Does not require any server resources and is stored on the user's computer, so it will not place additional burden on the server.

3. Persistence

One of the most powerful aspects of Cookie is persistence. When a cookie is set on a client's browser, it can last for days, months, or even years. This makes it easy to save user preferences and access information and keep this information available each time the user returns to the site. Additionally, because cookies are stored on the client's hard drive, they are still available if the server crashes.

4. Transparency

Cookies work transparently, and users do not know the information that needs to be stored.

5. Easy to manage

Most browsers allow users to easily clear their browsing history. Just go to tools, clear history and select cookies.

Cookies are stored in a text file under cookie.txt on the user's hard drive and since it is a text file we can display, edit and delete them using any viewer or text editor.

Disadvantages of using Cookies

1. Privacy issues

Most users are mainly concerned about It's privacy. A web browser with cookies enabled will track all websites you visit. This means that, with permission (or without Google), third parties can access the information stored by these cookies. In some cases, these third parties can be advertisers, other users. . . .

2. Unsafe

Cookie security is a big issue because they are stored in clear text, which may pose a security risk because anyone can open it. and tamper with cookies.

The ease with which cookies are discovered on the client side means they are easily hacked and modified.

3. Difficult to decrypt

We can manually encrypt and decrypt cookies, but due to the time required for encryption and decryption, it requires additional encoding and affects application performance .

4. The size is limited and can only store simple string information.

The size of cookie text (usually 4kb), the number of cookies (usually 20 per site) ) There are some limitations and can only accommodate 20 cookies per site.

Cookies are limited to simple string information, they cannot store complex information.

5. Can be disabled

Users can choose to disable cookies on their computers from their browser settings. This means that the user can decide not to use cookies on his browser, which may cause some problems in the operation of the browser.

6. Can be deleted

Users can delete cookies from their computers, which gives them greater control over cookies.

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