Can user agent ever be null?

The UserAgent is null when there is no User-Agent header in the request.

Can user agent ever be null?

The UserAgent is null when there is no User-Agent header in the request.

Is user agent a string?

A User Agent (UA) string is a type of HTTP header request that contains information on the device. For example, if you browse the web on your smartphone, your device will send a HTTP request header to the web server, saying that it is a mobile device.

How do I get User-Agent in .NET core?

var userAgent = HttpContext. Request. Headers[“User-Agent”]; var uaParser = Parser. GetDefault(); ClientInfo c = uaParser….

  1. That link is the best answer.
  2. This answer is for .NET Framework, not .NET Core.
  3. I have a web app and about 95% of users send back a user agent.

What is the user agent string for Android?

Focus for Android

Focus Version (Rendering Engine) User Agent string
1.0 (WebView Tablet) Mozilla/5.0 (Linux; Android 7.0) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Focus/1.0 Chrome/59.0.3029.83 Safari/537.36
6.0 (GeckoView) Mozilla/5.0 (Android 7.0; Mobile; rv:62.0) Gecko/62.0 Firefox/62.0

How do I find the user agent in Chrome?

Install the User-Agent Switcher extension Go to the Chrome Web Store. Search for User-Agent Switcher for Chrome. In the popup, click Add extension.

What is request user agent?

The 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.

What is a custom user agent?

Custom UserAgent String is an extension that enables you to easily change your browser’s user-agent by adding site-specific user-agent strings from the Options page.

What is a user agent string for?

Published: 23 October 2018. 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.

What is user agent lookup?

User Agent Lookup. A user agent is a string of text that identifies the browser and operating system to the web server you are connecting to. When you connect to a website, you are sending your User-Agent in a field in your HTTP header. The content of the user agent vary from browsers and operating systems. The web server can use this

What is a user-agent?

A user agent is a string of text that identifies the browser and operating system to the web server you are connecting to. When you connect to a website, you are sending your User-Agent in a field in your HTTP header. The content of the user agent vary from browsers and operating systems.

What is Uaua lookup statistics?

UA Lookup Statistics User Agent Lookup This tool allows you to check what the latest browscap.ini(6000051) will identify any User Agent as. User Agent: © Copyright 1998-2021 — Browser Capabilities Project

What is the Firefox user agent string?

For more on Firefox- and Gecko-based user agent strings, see the Firefox user agent string reference. The UA string of Firefox is broken down into 4 components: Mozilla/5.0 (platform; rv: geckoversion) Gecko/ geckotrail Firefox/ firefoxversion Mozilla/5.0 is the general token that says the browser is Mozilla-compatible.