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.
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 ...
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. What is an user-agent? The User-Agent request-header field contains information about the user agent originating the request.
User Agent là một phần quan trọng của giao thức HTTP mà trình duyệt gửi đến máy chủ web khi bạn truy cập vào một trang web. Được coi như một “bản thông tin cá ...
User-Agent Switcher and Manager · Tổng quan · 4,4/5. 262 lượt xếp hạng. Tìm hiểu thêm về kết quả và bài đánh giá. · Chi tiết · Quyền riêng tư · Nhà phát triển ...
Aug 26, 2024 ... User agent là gì? User agent ( UA) là chuỗi nhận dạng của trình duyệt khi gửi yêu cầu đến máy chủ web. Khi bạn truy cập vào một trang web nào đó ...
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.
Nov 4, 2025 ... User Agent là một chuỗi văn bản được gửi trong Header HTTP (tiêu đề HTTP), cụ thể là header User-Agent . Thông tin này được trình duyệt web (như ...
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.
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 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.
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 ...
This module is for generating random, valid web user agents:
>>> from user_agent import generate_user_agent, generate_navigator >>> from pprint import pprint >>> generate_user_agent() 'Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.3; Win64; x64)' >>> generate_user_agent(os=('mac', 'linux')) 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:36.0) Gecko/20100101 Firefox/36.0' >>> pprint(generate_navigator()) {'app_code_name': 'Mozilla', 'app_name': 'Netscape', 'appversion': '5.0', 'name': 'firefox', 'os': 'linux', 'oscpu': 'Linux i686 on x86_64', 'platform': 'Linux i686 on x86_64', 'user_agent': 'Mozilla/5.0 (X11; Ubuntu; Linux i686 on x86_64; rv:41.0) Gecko/20100101 Firefox/41.0', 'version': '41.0'} >>> pprint(generate_navigator_js()) {'appCodeName': 'Mozilla', 'appName': 'Netscape', 'appVersion': '38.0', 'platform': 'MacIntel', 'userAgent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:38.0) Gecko/20100101 Firefox/38.0'}
That Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 user-agent header is the one used by the most recent Chrome on macOS—which is a little odd here as the Sec-Ch-Ua-Platform : “Linux” indicates that the agent browser runs on Linux.
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
When using Chrome user-agent for example, does it break or affect some kind of functionality when visiting other sites? Do I need to switch between using ...
Jul 11, 2025 ... Besides a browser, a user agent could be a bot scraping webpages, a download manager, or another app accessing the Web. Along with each request ...
This extension is designed to shield your online privacy and make it super easy to appear as if you're browsing from different devices.
So, I decided I would create a user agent list that is dynamically generated and updated- it uses data from my own website to keep the list of user-agent data up to date – which means the list stays up to date as new browsers are released and new user agents emerge.
Trong máy tính, user agent (dịch ra tiếng Việt là đại lý người dùng) là phần mềm (một đại lý phần mềm) hoạt động thay mặt cho người dùng.
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.
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.
Ever wonder how your browser or app talks to the website? That's where user agents come in. A user agent is just a fancy way of saying "a piece of software that acts on your behalf to communicate with websites." Think of it as your digital representative.
Use the user agent lookup tool above to see what your user agent, or UA, presents as to the websites you visit within your browsing session. Once you have the information from the user agent checker, learn how to change your UA in the sections below. What is a user agent?
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User-agent Attributes User-agent OS Attributes User-agent Attributes Describes user-agent attributes. Attributes: Key Stability Value Type Description Example Values user_agent.name string Name of the user-agent extracted from original. Usually refers to the browser’s name.
if (FALSE) { GET("http://httpbin.org/user-agent") GET("http://httpbin.org/user-agent", user_agent("httr")) } Run the code above in your browser using DataLab
{'app_code_name': 'Mozilla', 'app_name': 'Netscape', 'app_version': '5.0 (Windows)', 'build_id': '20170124100044', 'build_version': '51.0', 'navigator_id': 'firefox', 'os_id': 'win', 'oscpu': 'Windows NT 6.2', 'platform': 'Windows NT 6.2', 'product': 'Gecko', 'product_sub': '20100101', 'user_agent': 'Mozilla/5.0 (Windows NT 6.2; rv:51.0) Gecko/20100101 ' 'Firefox/51.0', 'vendor': '', 'vendor_sub': ''}