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.
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.
Un user agent ou agent utilisateur est une application logicielle cliente qui utilise un protocole réseau particulier ; l'expression est principalement employée ...
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 ...
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 ...
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.
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. Ce site donne des informations ...
26 janv. 2026 — Un agent utilisateur est un programme informatique qui représente une personne, par exemple, un navigateur dans le cadre d'une utilisation ...
The user agent string format is currently specified by section 10.1.5 of HTTP Semantics. The format of the user agent string in HTTP is a list of product tokens (keywords) with optional comments. For example, if a user's product were called WikiBrowser, their user agent string might be WikiBrowser/1.0 Gecko/1.0. The "most important" product component is listed first. The parts of this string ...
Every time you open a webpage, the user agent says, “Hey, here I am!” to the web server by sending a little identifier called a User-Agent string. This string shares info about things like your browser type, version, device, and operating system.
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.
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.
It allows you to choose from a very modest list of preloaded User Agents, as well as add save your own UAs for future use. As with the Chrome extension, changing the User Agent means the whole browsing experience changes. User Agent strings are passed in the HTTP request in which some browser and device specific information is conveyed.
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.
The user_agent processor extracts details from the user agent string a browser sends with its web requests. This processor adds this information by default...
A User-Agent refers to the software used on the client side to access servers based on specific protocols.
A user agent, or UA, is a string of information that identifies a user’s browser and operating system. When you visit a website, your Internet browser sends information to the web page about your web browser, operating system, device, screen resolution, and more.
Useragent originated as port of browserscope.org's user agent parser project also known as ua-parser. Useragent allows you to parse user agent string with high accuracy by using hand tuned dedicated regular expressions for browser matching. This database is needed to ensure that every browser is correctly parsed as every browser vendor implements it's own user agent schema.
26 oct. 2023 — Un user agent, ou agent utilisateur, est un programme qui accède à un contenu web : crawler, navigateur ou encore application.
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.
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.
Le user agent est un code envoyé par chaque navigateur web lors d'une connexion à un serveur. Le code permet à un site web de savoir entres autres quel ...
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.
Understand user agents, their role in bot detection, and how to customize them ethically for scraping and automation. Get tips and tools for testing in 2025.
2 mars 2026 — Qu'est-ce qu'un agent utilisateur ? Un agent utilisateur est une courte description textuelle de votre appareil, envoyée avec chaque requête web ...
A user agent is any software that retrieves and presents Web content for end users or is implemented using Web technologies. User agents include Web browsers, media players, and plug-ins that help in retrieving, rendering and interacting with Web content.
The User-Agent Header is a component of an HTTP request that communicates information about the client software making the request. It tells the server what type of browser, device, operating system, and sometimes rendering engine is being used.
Essayez l'agent utilisateur suivant · Analyser l'agent utilisateur du navigateur actuel · GoogleBot User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; ...
Go on, put us to the test. Try our User-Agent and User-Agent Client Hints HTTP header parser below and we'll show you what information we can get.
Learn what the User-Agent header is, how it works, and why it is important for web development. See a real example of a User-Agent string used by Googlebot and other tips and concerns.
This might be a browser that Google Workspace does not support. https://support.google.com/a/answer/33864 · This site uses cookies from Google to deliver its services and to analyze traffic
A user agent is a computer program representing a person, for example, a browser in a Web context.
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 small piece of text (a string) sent by your browser to a web server as part of an HTTP request header.
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 ...