What is user agent string?

What is user agent string?

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.

What is User Agent example?

There are millions of User-Agent combinations given that UAs change with the software and hardware. For example, a Chrome browser on an iPhone 6 will introduce itself using a different UA than a Safari browser on the same phone. Here is a list of example User-Agents for different device types that can be detected.

What is RV in user agent?

rv:geckoversion indicates the release version of Gecko (such as “17.0”). In recent browsers, geckoversion is the same as firefoxversion. Gecko/geckotrail indicates that the browser is based on Gecko. (On Desktop, geckotrail is always the fixed string 20100101 .)

What is Firefox user agent string?

A user agent is a computer program representing a person, for example, a browser in a Web context. A typical user agent string looks like this: “Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0” . …

What is the most common User-Agent?

Most Common User Agents

percent useragent system
1.1% Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36 Edg/92.0.902.73 Edge 92.0 Win10
1.0% Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Firefox/91.0 Firefox 91.0 macOS

How do I find my User-Agent browser?

The user-agent string of the browser is accessed using the navigator. userAgent property and then stored in a variable. The presence of the strings of a browser in this user-agent string is detected one by one.

What is the User Agent for Chrome?

Latest Chrome on Linux User Agents

Platform Latest Chrome User Agents
Chrome (Standard) Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

What is AppleWebKit used for?

WebKit is used as the rendering engine within Safari and was formerly used by Google’s Chrome web browser on Windows, macOS, and Android (before version 4.4 KitKat). Chrome used only WebCore, and included its own JavaScript engine named V8 and a multiprocess system.

What can a user agent string be used for?

User agent strings typically carry information about an operating system, web browser and a basic hardware device information. The data supplied by the user agent string is generally used to optimize web browsing experience.

Which is user agent string does bingbot use?

User Agent String: Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) USER AGENT string decoderis a decoder tool that allows translating a browser user agent string into data blocks. User agent strings typically carry information about an operating system, web browser and a basic hardware device information.

How to use user agent in Mozilla browser?

User-Agent 1 Syntax. A product identifier — its name or development codename. 2 Firefox UA string. 3 Chrome UA string. 4 Opera UA string. 5 Safari UA string. 6 Internet Explorer UA string. 7 Crawler and bot UA strings 8 Library and net tool UA strings. 9 Specifications. 10 Browser compatibility

What does the header for user agent mean?

User-Agent. The User-Agent request header contains a characteristic string that allows the network protocol peers to identify the application type, operating system, software vendor or software version of the requesting software user agent. Please read Browser detection using the user agent and why serving different Web pages or services…