Oct 28, 2025 · 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 …
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 ...
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.
The user agent string can be accessed with JavaScript on the client side using the navigator.userAgent property. ... A typical user agent string ...
Useragent is a small piece of data that is sent by your web browser when accessing a website or application. It is used to identify the type of browser you are using, what device and operating system …
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 …
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 ...
This extension is designed to shield your online privacy and make it super easy to appear as if you're browsing from different devices.
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 ...
Sep 30, 2024 · 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 …
A user agent is software used to communicate with the Internet. The user agent software submits requests for Web content on behalf of the user, and receives and displays the content on the user’s device.
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.
To better understand what hosts are using this specific user agent string, I can take a look at the raw data. The data used for this search was only the last 7 days. # read web honeypot json files # cat /logs/webhoneypot*.json # search for values that do not have a blank user agent # jq -r 'select(.useragent!="")' # search for our specific user agent string (Windows 7, Firefox 22) # jq -r 'select(.useragent[]=="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0")' # output the source IPs, sorted by the number of times the source IP was seen # jq -r .sip | sort | uniq -c | sort -n cat /logs/webhoneypot*.json | jq -r 'select(.useragent!="")' | jq -r 'select(.useragent[]=="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0")' | jq -r .sip | sort | uniq -c | sort -n 831351 80.243.171.172
The WebFetch tool in OpenCode sends Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 as its user agent.
A User-Agent refers to the software used on the client side to access servers based on specific protocols.
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 ...
NEW LIST: List of User-Agent strings The standard way to pass information to the server about the visiting device is to include it in the User-Agent (UA) string. This information typically passes the name and version of the browser among many other details.
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.
User agents include browsers, browser extensions, media players, readers and other applications that render web content. Some accessibility needs ...
Simply put, it's a string of text unique for each software or browser on the internet and holds the technical information about your device and operating system ...
... User Agent Accessibility Guidelines 1.0
Aug 4, 2025 · 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 …
Dec 3, 2025 — When a browser or device makes a request, a string of text is sent, known as a user-agent. The user-agent helps identify the application, operating system, and ...
A User Agent is a request header string that describes the client (a browser like Chrome or an HTTP client like Requests) sending a request to a ...
Oct 22, 2025 · Use Requestly to modify and test different User-Agent strings easily. Every web request carries hidden signals about the device and browser it originates from. One of the key signals is the …
User agents SHOULD keep these strings short and to the point, but servers MUST accept arbitrary values for each, as they are all values constructed ...
Every website you visit sends a digital fingerprint through the User Agent (UA) header — a textual snippet that reveals far more than just the browser name. This subtle but critical HTTP header acts as a window into the client environment, disclosing software identity, operating system, device type, and even browser version.
This page has been moved to " Policy:User-Agent policy " on Wikimedia Foundation Governance Wiki where you can provide translations and feedback on ...
But we've got collections of the latest user agents grouped by operating system - so by looking for "latest windows user agents" you'll get the latest user agents for all the major browsers that run on Windows.
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 ...
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
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.