What is a user agent in browser?
A browser’s user agent string (UA) helps identify which browser is being used, what version, and on which operating system. Like all other browsers, Chrome for Android sends this information in the User-Agent HTTP header every time it makes a request to any site.
What are the types of user agents?
User-Agent list for different device types
- Android User Agents.
- iPhone User Agents.
- MS Windows User Agents.
- Tablet User Agents.
- Desktop User Agents.
What does user agent mean?
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.
Why does Chrome user agent say Mozilla?
Mozilla/5.0 is the general token that says that the browser is Mozilla-compatible. For historical reasons, almost every browser today sends it. platform describes the native platform that the browser is running on (Windows, Mac, Linux, Android, etc.) and if it is a mobile phone.
What is user agent in Firefox?
A user agent tells websites what type of browser and operating system you’re using. This information helps the web server deliver content that’s compatible with your browser. If websites tell you that your browser is outdated or incompatible even though Firefox is up to date, an incorrect user agent may be the cause.
What is an example of an user agent?
A user agent is therefore a special kind of software agent. Some prominent examples of user agents are web browsers and email readers. Often, a user agent acts as the client in a client-server system. In some contexts, such as within the Session Initiation Protocol (SIP), the term user agent refers to both end points of a communications session.
What is user agent identifier?
User Agent Identifier is an add-on to simplify User Agent Identification with our continuously updated user agent parsing library. As automated bots, mobile devices and desktop browsers have exploded into a thousand different forms, it is really difficult to accurately determine just what a given user-agent represents…
What is User Agent header?
The User-Agent header contains a line of text that can be used to identify a user agent and client device. Most of the time, we can find the device model and manufacturer from the User-Agent header. It may also contain information such as the client device’s OS version, browser version, Java capabilities, etc.
What are user agent strings?
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 to determine what content to return.