User-agent examples,user agent types,user agent request,useragent example

本文详细解释了用户代理的概念及其在网页请求过程中的作用,包括不同操作系统与浏览器的用户代理示例,以及如何通过用户代理字符串获取系统信息。

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On this page you can find user-agent examples and user agent types. Useragent type is linked with operation system and browser. Linux have different structure of ua then Windows, see useragent example in user-agent table.

When you visit a Web page, your browser sends the user-agent string to the server hosting the site that you are visiting. This string indicates which browser you are using, its version number, and details about your system, such as operating system and version. The Web server can use this information to provide content that is tailored for your specific browser. 

When you request a Web page, your browser sends (user agent request) a number of headers to the server hosting the site that you are visiting. Each header contains details that help the server determine the best way to provide the information that you requested. The user-agent header identifies the application requesting the information from the server. 

 

Some User Agents for OS - Windows
 
 
 
Some User Agents for OS - Mac
 
Some User Agents for OS - Linux/Unix/Beos
 
Some User-Agents of famous Search Spiders
 
User-Agents of some Spiders
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