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User agent | Web Scraping Tool | ScrapeStorm

2023-10-26 19:56:23
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Abstract:User agent is part of the HTTP request header and is a string that identifies the user agent program (usually a browser or application) that initiates the HTTP request. ScrapeStormFree Download

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Introduction

User agent is part of the HTTP request header and is a string that identifies the user agent program (usually a browser or application) that initiates the HTTP request. The user agent string contains detailed information about the user agent program, such as the application name, version, operating system, hardware type, and browser type and version.

Applicable Scene

Web servers use user agent information to adaptively render the content of a web page so that the web page displays correctly on the user’s device and browser.

Pros: The main benefit of user agents is that they allow servers to serve web content adaptively, ensuring that users get the best browsing experience across different devices and browsers. This helps improve website accessibility and user experience.

Cons: One of the drawbacks of user agents is the potential for exploits such as browser fingerprinting and privacy violations. Another issue is that different browsers and applications may provide different user agent information, requiring additional processing by developers to ensure consistency.

Legend

1.User agent diagram.

2. User agent diagram.

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Reference Link

https://en.wikipedia.org/wiki/User_agent

https://en.wikipedia.org/wiki/User-Agent_header

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent

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