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.
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.
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.
The User Agent string is a HTTP Header that your web browser sends to each page it requests. Do you want to see all the headers your browser is ...
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.
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.
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.
UserAgents.io provides a simple way to parse a user agent and get technical information about it. The database is updated daily and easy to navigate.
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.
A comprehensive list of User Agent strings for the most popular devices in use today. It includes Android, iPhone, Windows, tablets, desktops, bots and ...
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.
A user agent is a computer program representing a person, for example, a browser in a Web context. Besides a browser, a user agent could be a bot scraping ...
Discover what a user agent is and how it facilitates web interactions. Learn about User-Agent strings and their role in web optimization.
A user agent is a software application or program that acts on behalf of a user when interacting with web servers.
What is a User-Agent string? A User-Agent (UA) string is a piece of text that devices send to web servers stating what kind of device and browser are being used. In simple terms, it acts as the messenger (agent) between the device and the web server. Websites use this information to show visitors the correct version of their site. It is a standard part of web architecture and is passed by all ...
Your user agent is a string that web servers use to identify your browser and optimize content delivery. Learn what a user agent is, how to troubleshoot browser issues, and see your user agent details on this site.
De useragent, user agent of gebruikersagent is het computerprogramma dat bij een netwerkfunctie of protocol hoort. In de context van e-mail bijvoorbeeld duidt ' ...