Learn what the User-Agent header is, how it identifies the browser, operating system, and version of the requesting user agent, and how to parse it. See examples of different User-Agent strings for various browsers and devices.
7. Februar 2025 - 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 ...
Learn what a user agent is, how it identifies itself with a user agent string, and how it can be spoofed. A user agent can be a browser, a bot, or another app accessing the Web.
8. März 2024 - The User-Agent (UA) string is contained in the HTTP headers and is intended to identify devices requesting online content. The User-Agent tells the server what the visiting device is (among many other things) and this information can be used to determine what content to return.
25. Juli 2024 - You can use our tool to parse your user agent to find out the various bits of information we can identify from that user agent.
Spoofs & Mimics User-Agent strings.
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vor 2 Wochen - Updated May 15th 2019– A dynamic, downloadable list of the most common user agents. Have you ever wondered what Most Common User Agents are? This is a list of the most common user agents, dynamically generated to remain accurate and up to date. Often times people will post a list on their ...
What Is a User Agent? A browser's user agent string (UA) helps identify which browser is being used, what version, and on which operating system. When feature detection APIs are not available, use the UA to customize behavior or content to specific browser versions.
The User Agent string contains information about your web browser name, operating system, device type and lots of other useful bits of information. But every browser sends its user agent in a different format, so decoding them can be very tricky.
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 ...
User Agent Client Hints (UA-CH) is a new standard being developed by the Chrome team at Google. UA-CH aims to address some of the limitations and privacy concerns associated with traditional user agent strings by allowing browsers to send only the information that the server explicitly requests.
A user agent is a text string that identifies the browser and operating system to the web server. Learn how user agents have evolved over time and how they are used by web servers and bots.
Using the user agent to detect the browser looks simple, but doing it well is, in fact, a very hard problem. This document will guide you in doing this as correctly as possible. Note: It's worth re-iterating: it's very rarely a good idea to use user agent sniffing. You can almost always find a better, more broadly compatible way to solve your ...
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Understand what information is contained in a Chrome user agent string. Get an analysis of your or any other user agent string. Find lists of user agent strings from browsers, crawlers, spiders, bots, validators and others..
Detect user-agent, operating system, browser, and device using several libraries, including ua-parser, ua-parser-js, and platform.
A user agent is a string of text that is sent by a web browser to a web server to identify itself and provide information about the browser's capabilities.
25. Februar 2004 - This is the latest accepted revision, reviewed on 12 February 2025. In computing, the User-Agent header is an HTTP header intended to identify the user agent responsible for making a given HTTP request. Whereas the character sequence User-Agent comprises the name of the header itself, the header ...
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25. Juni 2024 - Wondering what a user agent is? Do I have a user agent? We've got a guide to explain it all to you in simple terms.
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This page displays your User Agent String. This is a very basic output of the User Agent also referred to as simply UA.