https://whatmyuseragent.com
What's My User Agent?
Get your users agent string, web browser, opera system, device information and more... Useragent is a small piece of data that is sent by your web browser when accessing a website or application.
https://developer.mozilla.org › en-US › docs › Web › HTTP › Reference › Headers › User-Agent
User-Agent header - HTTP | MDN - MDN Web Docs
The HTTP User-Agent request header is a characteristic string that lets servers and network peers identify the application, operating system, vendor, and/or version of the requesting user agent.
https://www.w3.org › TR › UAAG20
User Agent Accessibility Guidelines (UAAG) 2.0
UAAG 2.0 guides developers in designing user agents that make the web more accessible to people with disabilities. User agents include browsers, browser extensions, media players, readers and other applications that render web content. A user agent that follows UAAG 2.0 will improve accessibility ...
https://en.wikipedia.org › wiki › User_agent
User agent - Wikipedia
On the Web, a user agent is a software agent responsible for retrieving and facilitating end-user interaction with Web content. [1] 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 like cURL.
https://baccyflap.com › res › robots
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https://chromewebstore.google.com › detail › user-agent-switcher-for-c › djflhoibgkdhkhhcedjiklpkjnoahfmg
User-Agent Switcher for Chrome - Chrome Web Store
Ever needed to quickly switch between user-agent strings on the fly? Developing a site that needs to work on both mobile browsers and desktop browsers? Sick of some archaic site blocking you because you're not using Netscape 4? The User-Agent Switcher for Chrome is the answer.
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https://www.reddit.com › r › firefox › comments › 1729yqx › what_does_useragent_really_do
r/firefox on Reddit: What does user-agent really do?
Basically User-Agent is a relic of the past, at least in theory (in browsers that is, in crawlers aka web spiders it can make sense). Browsers should not depend on its value, but some questionably made sites still do sometimes. You nearly never have to change it, that tiny percentage is annoying though. More on reddit.com
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http://www.w3.org › TR › widgets
G'day! LOL Cats!
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https://utcc.utoronto.ca › ~cks › space › blog › web
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https://www.whatismybrowser.com › detect › what-is-my-user-agent
What is my user agent? - WhatIsMyBrowser.com
It's a short, technical description of the web browser, operating system, (and maybe mobile device) that you're using as you access the internet. Your web browser sends it to every website you visit.
https://www.browserless.io › blog › what-is-a-user-agent
What Is a User Agent? A 2026 Guide for Developers, Scrapers, and Testers
A user agent is a small piece of text sent by web browsers or automation scripts in HTTP requests to identify the client's software, browser version, and operating system to the web server. What is a user agent header? The user-agent header is the specific HTTP request header that carries the user agent string from the client to the web server.
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://www.w3.org › TR › push-api
Push API
The Push API enables sending of a push message to a web application via a push service. An application server can send a push message at any time, even when a web application or user agent is inactive. The push service ensures reliable and efficient delivery to the user agent. Push messages are delivered to a Service Worker that runs in the origin of the web application, which can use the information in the message to update local state or display a notification to the user. (4,99)
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https://explore.whatismybrowser.com › useragents › parse
Parse a user agent - WhatIsMyBrowser.com
Learn how to decode and understand any user agent string sent by your web browser or other software. Use this tool to parse user agents by browser, OS, platform, hardware, software type and layout engine.
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https://www.openssh.com › agent-restrict.html
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https://www.useragents.me
The Latest and Most Common User Agents List (Updated Weekly)
Useragents.me provides a self-updating list of user agents seen on the web across all device types, operating systems, and browsers. You can view, download, or get the list as JSON or TSV, and see the relative share of each user agent.
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https://www.w3.org › TR › 2011 › WD-html5-20110113 › video.html
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https://user-agents.net
User Agents
The User-Agents.Net website provides various user agent lists and technical information about them
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https://chromewebstore.google.com › detail › user-agent-switcher-and-m › bhchdcejhohfmigjafbampogmaanbfkg
User-Agent Switcher and Manager - Chrome Web Store
The extension enables user-agent spoofing on specific domains only; it is conversely possible to exclude certain domains from spoofing. Check the Options page for more info. 5. You can set per-site user-agent strings 6. There is an option to randomize user-agent strings. 7.
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https://w3c.github.io › pointerevents
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https://useragents.io
List of User Agents strings | UserAgents.io
What is an user-agent? The User-Agent request-header field contains information about the user agent originating the request. This is for statistical purposes, the tracing of protocol violations, and automated recognition of user agents for the sake of tailoring responses to avoid particular user agent limitations.
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https://html.spec.whatwg.org › multipage › webappapis.html
HTML Standard
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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.
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http://www.softpanorama.org › Net › Application_layer › SSH › sshd_configuration.shtml
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https://random-user-agent.com
Random User-Agent and Switcher (browser extension)
This extension is designed to shield your online privacy and make it super easy to appear as if you're browsing from different devices.
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https://softpanorama.org › Net › Application_layer › SSH › sshd_configuration.shtml
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https://play.google.com › store › apps › details
User Agent - Apps on Google Play
This is a simple utility for users who want to discover the 'user-agent' given by the device by default - "Display browser User-Agent and other useful device info." Bloatware is an odd description for a 1.37MB app.
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https://www.rfc-editor.org › rfc › rfc7231
RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
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https://developer.mozilla.org › en-US › docs › Glossary › User_agent
User agent - Glossary | MDN
A user agent is a computer program representing a person, for example, a browser in a Web context.
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https://html.spec.whatwg.org › multipage › system-state.html
HTML Standard
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https://browser-use.com
Browser Use - The way AI uses the internet
Your 24/7 Claude agent. Claude Code and Browser Harness in a remote box.
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https://foundation.wikimedia.org › wiki › Special:MyLanguage › Policy:Wikimedia_Foundation_User-Agent_Policy
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https://html.spec.whatwg.org › multipage › media.html
HTML Standard
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https://wicg.github.io › ua-client-hints
User-Agent Client Hints
This document proposes a mechanism which might allow user agents to be a bit more aggressive about removing entropy from the User-Agent string generally by giving servers that really need some specific details about the client the ability to opt-into receiving them.
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https://www.w3.org › TR › tracking-dnt
Tracking Preference Expression (DNT)
This specification defines the DNT request header field as an HTTP mechanism for expressing a user (15,98)
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https://www.w3.org › TR › CSP2
Content Security Policy Level 2
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https://html.spec.whatwg.org › multipage › document-lifecycle.html
HTML Standard
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https://medium.com › @goswamisushma30 › what-is-a-user-agent-bcbf56238ba
What is a user-agent?. You might have heard of user-agent… | by Sushma Goswami | Medium
er-agent, refers to a characteristic string of information that identifies the software, the hardware, and their versions used by a client (i.e.
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https://dnschecker.org › user-agent-info.php
User-Agent Information - Instantly Check Browser User-Agent
User-agent checker instantly tells your browsers user agent. User-agent is the identifier which lets the server know what browser is requesting the resource or what operating system the request initiator uses.
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https://gs.statcounter.com › detect
Useragent Detect | StatCounter Global Stats
In Chrome (Ver.114 or greater) on mobile devices, the model-key now shows up as 'k' in the useragent, but the correct model can be obtained via javascript. This is equivenlent to the the Operating System(OS) name. e.g. Windows or Android. This is equivenlent to the the Operating System(OS) version, this is usually described as an numbers separated by decimal points to denote Major, Minor and sometimes Patch releases.
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https://chromewebstore.google.com › detail › random-user-agent-switche › einpaelgookohagofgnnkcfjbkkgepnp
Random User-Agent (Switcher) - Chrome Web Store
User-Agent is like a secret code your browser shares with every website you visit. It reveals details about your browser, your operating system, and even some plugins you have installed.
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https://www.w3.org › WAI › standards-guidelines › uaag
User Agent Accessibility Guidelines (UAAG) Overview | Web Accessibility Initiative (WAI) | W3C
The User Agent Accessibility Guidelines (UAAG) documents explain how to make user agents accessible to people with disabilities. User agents include browsers, browser extensions, media players, readers and other applications that render web content.
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