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. Warning: See Browser detection using the user agent for reasons why serving different content to different browsers is usually a bad idea.
Learn what your user agent is and what it reveals about your web browser, operating system, and mobile device. Find out how to change or fake your user agent and why some sites may detect it.
A user agent is a software agent that retrieves and facilitates web content for end-users. Learn about different types of user agents, such as browsers, email clients, and command-line utilities, and how they are identified by the HTTP User-Agent header.
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.
User agent ... Pour les articles homonymes, voir Agent. Un user agent ou agent utilisateur est une application logicielle cliente qui utilise un protocole réseau ...
24 févr. 2025 — The HTTP User-Agent request header is a characteristic string that lets servers and network peers identify the application, operating system, ...
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.
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.
User agents are the strings of text which specify the browser and operating system of web servers. User agents are present in HTTP headers when the browser wants to communicate with a server. Each browser has its specific user agent string and web servers utilize this information to deliver appropriate material across different operating systems.
Agence digitale mobile first spécialisée dans la conception, le design et le développement de sites web, d'applications mobiles, d'expériences en magasin et ...
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” refers to the application that remotely accesses a different computer, usually a server, through the network. Let’s state it a simpler way: When you’re surfing the Internet—hopping from one Web page to another, sending emails from your Gmail or Yahoo email account, or shopping on Amazon.com—your Web browser (Google ...
User agent. Un user agent est une application cliente utilisée avec un protocole réseau particulier. L'expression est plus généralement employée comme référence ...
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 affect web browsing.
UserAgents.io is a website that provides a simple way to parse a user agent and get technical information about it. You can also browse the latest user agent strings and learn what they mean.
What's my user agent? · According to useragent v2.2.1: · ua · os · According to ua-parser-js v0.7.31: · ua · browser · engine · os. name ...
Cet outil permet de vous indiquer votre user agent. Le user agent est un code envoyé par chaque navigateur web lors d'une connexion à un serveur. Le code permet ...
Spoofs & Mimics User-Agent strings.
Cette page vous montre ce que votre navigateur Web envoie dans l'en-tête "User-Agent" pour vos requêtes HTTP. Vous voulez savoir quels en-têtes votre ...
A user agent is a computer program representing a person, for example, a browser in a Web context.
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..
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.
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1 week ago - 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.
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 ...
12 mars 2025 — La chaîne User-Agent est un en-tête de requête HTTP qui permet aux serveurs et aux réseaux d'identifier l'application, le système d'exploitation ...
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.
Le user-agent est un petit texte envoyé par le navigateur à un serveur lorsqu'un internaute accède à une page web. Il informe sur le logiciel utilisé.
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 ...
Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want
This tool can parse HTTP headers (such as the User-Agent and User-Agent Client Hints) to provide information on the associated device, operating system, and browser.
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Online privacy can be confusing. In this easy-to-read list, you'll find short definitions of essential privacy and Internet terms including User Agent. Check out the Brave Privacy Glossary here.
How to detect Microsoft Edge data with User-Agent Client Hints and the User-Agent string.
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.
User-Agent reduction limits passively shared browser data to reduce the volume of sensitive information which leads to fingerprinting. The reduction is now complete.
Google crawlers discover and scan websites. This overview will help you understand the common Google crawlers including the Googlebot user agent.
The User-Agent header has historically been included in bid requests to provide useful targeting data such as the initiating device's browser and platform. However, browsers often heavily redact the User-Agent due to its difficulty of use and to better protect user privacy.