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

User agent - Wikipedia

4 days ago - On the Web, a user agent is a software agent responsible for retrieving and facilitating end-user interaction with Web content. This includes all web browsers, such as Google Chrome and Safari, some email clients, standalone download managers like youtube-dl, and other command-line utilities ...

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https://www.browserless.io › blog › what-is-a-user-agent

What Is a User Agent? A 2025 Guide for Developers, Scrapers, and Teste

Spoofing user agents carries both legal and ethical risks. Responsible use means maintaining consistency, transparency, and avoiding the impersonation of protected services. Introduction A user agent is a text string sent by your browser or script during an HTTP request to identify the client's software and operating environment to the server.

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https://chromewebstore.google.com › detail › user-agent-switcher-for-c › djflhoibgkdhkhhcedjiklpkjnoahfmg

User-Agent Switcher for Chrome - Chrome Web Store

With this extension, you can quickly and easily switch between user-agent strings. Also, you can set up specific URLs that you want to spoof every time. Please note that this does not provide improved privacy while browsing the Internet and that some sites might have other means to figure out that the browser is not what it pretends to be.

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https://chromewebstore.google.com › detail › user-agent-switcher-and-m › bhchdcejhohfmigjafbampogmaanbfkg

User-Agent Switcher and Manager - Chrome Web Store

Usage example: You can alter your user-agent string to indicate you?re on a mobile device if you prefer seeing mobile versions of sites so they load quicker. -- This extension allows you to spoof your browser "user-agent" string to a custom designation, making it impossible for websites to know specific details about your browsing arrangement.

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https://whatismyuseragent.com

What is my user agent

Your user agent is a string that web servers use to identify your browser and optimize content delivery. Learn what a user agent is, how to troubleshoot browser issues, and see your user agent details on this site.

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https://www.geeksforgeeks.org › html › http-headers-user-agent

HTTP Headers - User-Agent - GeeksforGeeks

The HTTP header User-Agent is a request header that sends a characteristic string to web servers, allowing them to identify the Operating System (OS) and browser of the client making the request. Every time your browser connects to a website, it includes the User-Agent field in the HTTP header. This information helps websites serve content tailored to different browsers and operating systems ...

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https://pypi.org › project › user-agent

user-agent · PyPI

>>> from user_agent import generate_user_agent, generate_navigator >>> from pprint import pprint >>> generate_user_agent() 'Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.3; Win64; x64)' >>> generate_user_agent(os=('mac', 'linux')) 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:36.0) Gecko/20100101 Firefox/36.0' >>> pprint(generate_navigator()) {'app_code_name': 'Mozilla', 'app_name': 'Netscape', 'appversion': '5.0', 'name': 'firefox', 'os': 'linux', 'oscpu': 'Linux i686 on x86_64', 'platform': 'Linux i686 on x86_64', 'user_agent': 'Mozilla/5.0 (X11; Ubuntu; Linux i686 on x86_64; rv:41.0) Gecko/20100101 Firefox/41.0', 'version': '41.0'} >>> pprint(generate_navigator_js()) {'appCodeName': 'Mozilla', 'appName': 'Netscape', 'appVersion': '38.0', 'platform': 'MacIntel', 'userAgent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:38.0) Gecko/20100101 Firefox/38.0'}

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https://developers.google.com › search › docs › crawling-indexing › overview-google-crawlers

Google Crawler (User Agent) Overview | Google Search Central | Documentation | Google for Developers

They operate from global datacenters, use HTTP/1.1 or HTTP/2, and support gzip, deflate, and Brotli compression. Crawl rates can be adjusted to prevent server overload. Caching, via ETag and Last-Modified headers, is supported to optimize crawling efficiency. To identify a google crawler, use HTTP user-agent, source IP address, and the reverse DNS hostname.\n"]]

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