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.
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.
Find out your user agent string, browser, opera system, device and more with this tool. Learn what a user agent is and how it is used for feature detection and compatibility.
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. It typically includes the browser name, version, operating system, and, occasionally, the device type.
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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Un user agent est un identifiant qui permet à un « agent » de s'identifier sur le web et de donner des informations sur lui-même.
Un user agent ou agent utilisateur est une application logicielle cliente qui utilise un protocole réseau particulier ; l'expression est principalement employée ...
Grab the most up-to-date user agents for Chrome, Safari, Firefox, and Edge. These are essential for web scraping, automated screenshots, and bypassing bot blocks.
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.
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.
Your browser sends its user agent to every website you connect to.
In its simplest form, a user agent is a line of text or string that identifies the browser to the web server. While that may sound simple, understanding how user agents function can be a bit complicated.
For example, a website might use the user agent string to determine if you’re on a mobile device. If so, it will serve you the mobile-optimized version of the site, which is designed to load quickly and be easy to navigate on a smaller screen. Similarly, if you’re using an older browser, the website might serve you a simpler version of the site that’s compatible with your browser’s capabilities.
Answer: In W3C usage, a user agent is a browser, media player, or extension. It is the software that delivers the content, not the content itself. The W3C User Agent Accessibility Guidelines (UAAG) 2.0 definition of a user agent.
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.
In short, a User Agent (UA) is a text string that acts like a “digital ID card” or “passport” your web browser (or any internet connected software) automatically sends to the server of each website you visit.
A user agent is a type of software that acts as an intermediary between a user and a network service, like a website.
A user agent is a computer program representing a person, for example, a browser in a Web context.
Modifiez les chaînes d'agent utilisateur. User Agent Switcher est une extension simple mais puissante. Elle simplifie considérablement la ...
& User Centric. Nous concevons, designons et développons des produits et des expériences digitales sur-mesure : sites web, applications mobiles, apps dans ...
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..
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.
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.
Le User-Agent est une empreinte numérique envoyée par votre navigateur aux sites web, révélant votre appareil, OS et navigateur. Que dit votre ...
Discover what a user agent is and how it facilitates web interactions. Learn about User-Agent strings and their role in web optimization.
This extension is designed to shield your online privacy and make it super easy to appear as if you're browsing from different devices.
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.
We've collected millions of user agents and have categorised a selection of them here for you, based on many of the things we detect about them - Operating System, Browser, Hardware Type, Browser Type, and so on.
A user agent is a relatively short bit of text that (attempts to) describe the Software/Browser (the "Agent") that is making the request to a website. Web browsers include the user agent string in the requests they make to websites.
Since this criterion was written, the HTML Living Standard has adopted specific requirements governing how user agents must handle incomplete tags, incorrect element nesting, duplicate attributes, and non-unique IDs.
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.
Back in 2005 I wrote my first user agent analyzer for reporting purposes. It used sequences of rules in a (proprietary) pattern matching language and the first rule that matched was used for the output. This worked quite well for the attributes I needed (things like Operating System and Browser). Yet after a while I found that the variations in the user agent strings was so large it became a maintenance nightmare.