UserAgent.me

What Does Your User Agent Say About You?

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A user agent is a computer program representing a person, for example, a browser in a Web context.

Besides a browser, a user agent could be a bot scraping webpages, a download manager, or another app accessing the Web. Along with each request they make to the server, browsers include a self-identifying User-Agent HTTP header called a user agent (UA) string. This string often identifies the browser, its version number, and its host operating system.

Spam bots, download managers, and some browsers often send a fake UA string to announce themselves as a different client. This is known as user agent spoofing.

The user agent string can be accessed with JavaScript on the client side using the navigator.userAgent property.

A typical user agent string looks like this: "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0".

(Source: Mozilla.org)

User Agent String

Browser Data

User Agent Switcher Addon Firefox

author
James Lee
• Tuesday, 29 December, 2020
• 8 min read

To do so, simply visit our project on the Debate hosted instance, create an account and either select an existing language or add a new one to get going. This way it becomes much easier for me to keep track of reported issues and get back to you if additional information is needed to help you.

agent user switcher
(Source: www.youtube.com)

Contents

To do so, simply visit our project on the Debate hosted instance, create an account and either select an existing language or add a new one to get going. This way it becomes much easier for me to keep track of reported issues and get back to you if additional information is needed to help you.

To do so, simply visit our project on the Debate hosted instance, create an account and either select an existing language or add a new one to get going. This way it becomes much easier for me to keep track of reported issues and get back to you if additional information is needed to help you.

This feature is useful for SEO professionals, for example, to identify issues with cloaking which is against Google’s Webmaster Guidelines or auditing websites which has different look depending on the device. User agent is an HTTP request header string identifying browser, application, operating system which connects to the server.

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Sources
1 developer.mozilla.org - https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent
2 whatismyipaddress.com - https://whatismyipaddress.com/user-agent
3 en.wikipedia.org - https://en.wikipedia.org/wiki/User_agent
4 www.scientiamobile.com - https://www.scientiamobile.com/correctly-form-user-agents-for-mobile-apps/
5 stackoverflow.com - https://stackoverflow.com/questions/54385601/how-to-find-the-user-agent-of-an-app-and-use-it-in-a-desktop-browser
6 stackoverflow.com - https://stackoverflow.com/questions/15069533/http-request-header-useragent-variable
7 www.elastic.co - https://www.elastic.co/guide/en/security/7.11/web-application-suspicious-activity-sqlmap-user-agent.html
8 mobiforge.com - https://mobiforge.com/research-analysis/webviews-and-user-agent-strings
9 social.msdn.microsoft.com - https://social.msdn.microsoft.com/Forums/vstudio/en-US/64eb8ced-a081-4ecb-875e-80ddbcc07854/how-to-get-the-useragent-with-c
10 help.openstreetmap.org - https://help.openstreetmap.org/questions/75718/what-is-or-how-to-decide-valid-http-user-agent-application-name-to-avoid-osm-blockage