Top "User-agent" questions

A user agent is a piece of software (a software agent) that acts on behalf of a user.

Mobile browser detection?

We are looking for a way to determine if a user is using a mobile browser. We need to do …

php mobile user-agent browser-detection
Is there a way to obtain the default user agent string aside from WebView.getSettings().getUserAgentString()?

I want to use the default user agent for the phone in a HttpClient connection and would like to know …

android httpclient user-agent
Pretend Firefox instead of Phantom.js

When I try to scrap this site with Phantomjs, by default, Phantomjs send the following headers to server: "name":"User-Agent", "…

web-scraping phantomjs user-agent http-status-code-405
What would be the User Agent string for iPhone 8, iPhone 8 Plus and iPhone X?

In a device detection, what would be the user agent for the new iPhone 8, iPhone 8 Plus and iPhone X?

javascript iphone user-agent iphone-x
Is possible to spoof user-agent and OS with Chrome?

What are the options to block the methods bellow with Chrome? navigator.appVersion Info os.name as I was successfully …

javascript google-chrome user-agent spoof
How to download a file with Powershell System.Net.WebClient and custom user-agent string?

I am running the following command to download a file using the Powershell System.Net.WebClient method: powershell -Command "(New-Object …

powershell http batch-file user-agent system.net
Is it possible to list multiple user-agents in one line?

Is it possible in robots.txt to give one instruction to multiple bots without repeatedly having to mention it? Example: …

user-agent robots.txt
What does " Mozilla/5.0" in user agent string signify?

When I myself send many requests to the server I found it amazing that in IE if I choose opera …

http browser user-agent mozilla
What is the iPad2 User-Agent string?

Does anyone know the user-agent string of the just released iPad2?

ipad user-agent ipad-2
How to detect browser spoofing and robots from a user agent string in php

So far I am able to detect robots from a list of user agent string by matching these strings to …

php user-agent bots spoof