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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 Extension Edge

author
Paul Gonzalez
• Saturday, 03 October, 2020
• 11 min read

It supports Google Chrome, Microsoft Edge and should work fine with other Chromium-based browsers. Once installed successfully, you would notice extension ’s icon on the browser toolbar as shown in the above screenshot.

user agent extension switcher chrome
(Source: browsernative.com)

Contents

Next is FAQ, this section is useful to get information about how this add-on works in your browser. It is designed to collect user feedbacks and bugs about this add-on.

Users can suggest improvements or feature requests through this form too. The last section is dedicated to reports submitted through the GitHub website.

Toolbar popup UI provides an easy interface to access all 26 user agents. Clicking on any UA, will change your browsers user agent immediately.

Second row is for desktop user agents which includes Google Chrome, Opera, Firefox, Safari, MS Internet Explorer and the new Edge browser by Microsoft. The last row in the popup UI is dedicated for the control options including a button to change the UA to its default value.

Moreover, some websites make look better in mobile devises while you are surfing in a desktop browser. With user agent switcher you have access to display a webpage or web element from a variety of different systems.

agent extension microsoft edge switcher chromium broken fix manager firefox
(Source: techdows.com)

The process for changing user -agents on-the-fly after the extension is installed in your browser is an extremely simple task. In other words, user agent switcher can quickly switch between iOS, android, and other famous mobile devices.

We do NOT host any extensions/add-ons/plugins in our website, all the download links will direct you to the related Firefox, Google Chrome, Opera and Safari Add-on Stores. Simply open the toolbar-popup and click on the desired user agent, selected UA is marked with green border.

Windows Phone, which is a mobile OS from Microsoft for its windows-phone devices. This user agent is available in 4 different operating systems (windows, Linux, mac and chromes).

This user agent is available in 3 different operating systems (windows, Linux, mac). This user agent is available in 5 different operating systems (windows, Linux, mac, chromes, IBM Warp OS/2).

This user agent is available in 3 different operating systems (windows, Linux, mac). To see your browsers user agent, you can use many websites that offer this service for Free.

agent firefox switcher extension edge agents change clicking pen below icon custom
(Source: scopiousmarketing.com)

But, if you do not want to completely remove this Add-on, you can simply open the toolbar popup, and click on the “Switch to Default” button in the bottom left corner. This way, your browsers user agent will be switched to its default value and no actions or changes will be made by this Add-on.

Once the UA is changed, click on the edit button in the bottom right corner in the popup. When you see the edit window opened, make your desired changes and click on the OK button.

Please note, before editing any user agent make sure the new value is a valid UA, otherwise the Add-on will not be able to change your browsers user agent and end up seeing errors in websites that you visit. If you want the selected user agent to be active on a specific website only, please open the toolbar-panel UI and enter the website address in designated field (input area in the bottom middle section).

In other words, if you do not modify the URL field, the UA will be applied to all websites and domains. In order to change the UA, the Add-on works in two separate modes.

Yes, it is fully compatible with all versions of modern browsers including, Firefox, Chrome and Opera. Please note, you can edit/update any of these strings from the toolbar popup UI once you run the Add-on in your browsers.

user agent firefox change switcher extension manager another edge
(Source: www.searchenginejournal.com)

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.

Get our daily newsletter from SEJ's Founder Loren Baker about the latest news in the industry! When you navigate to a webpage, the response from the server will depend on a number of factors.

The OS being used will be checked (Windows, Linux, Mac or Mobile) along with the browser (Firefox, Chrome, Safari and alike) and possibly the system architecture (x86, x64, etc.) It allows sites to determine specific details, which in turn alters how the page is served to the user.

For instance, menus will be easier to touch and read, and text will be more stripped down and readable. Normally, users are oblivious to the exchange of browser user agent data; there are, however, ways in which users and developers can change the user agent to test for different platforms or simply to mask their browser ID.

Browsers have a fingerprint that can help uniquely identify users with the user agent being one of these factors. When using Edge, open a page and press the F12 key to access the developer settings.

user agent switcher extensions mobile devices edge opera tablets behave possible windows way they retrohelix microsoft didn similar addons
(Source: addons.opera.com)

Select the “Emulation” tab and look for the Sergeant string list.” Here you can choose to make Edge mimic the browser of your choice. Just as with Edge, Chrome has an user agent change within the developer settings, although it is a lot more complicated to access.

From there click “Tools” and then “Developer Options.” You can also easily access this via the key combination of Ctrl + Shift + I. Open a browser window and type about:config within the address bar.

A warning will appear, but it is quite safe to proceed, providing you don’t change settings or flags without due care and attention. If you don’t fancy the idea of messing with a browser’s settings, then there are some add-ons and extensions that will do the job for you.

It is currently, at the time of writing this article, a featured extension from Firefox, so that may put to rest some concerns that users may have. Matthew Muller Matt has worked in the tech industry for many years and is now a freelance writer.

However, switching your browser’s user agent no longer requires that you install third-party software, such as extensions. Over the past few years, mainstream browsers have all started including such functionality as a part of their developer console or within standard menus.

chrome agent user switcher extensions optimize browsing experience these extension
(Source: www.makeuseof.com)

Although uncommon, there is a chance for browser extensions to become hijacked for malicious purposes, which could be a risk to your security. In this article, let’s go over how you can change your user agent in today’s most popular browsers without an extension.

If you look or scroll down towards the bottom of this panel, you should see a User agent label, which includes a respective set of options. Here, you can select from a set of defined user agents or even enter your own custom user agent string.

If it’s your first time doing so, you should see a disclaimer stating that you’re entering risky territory that’s for advanced users only. If the preference isn’t there, right-click on a blank area of the page, hover New, and select the String option.

Since 2008, he's worked remotely with some of the most notable publications in these industries, specializing in Windows, PC hardware and software, automation, and the like. When you load a web page such as groovyPost.com, a list of checks are performed to determine the platform (macOS, Windows, Linux), web browser (Microsoft Edge, Chrome or Safari for iOS) and the system type (x86 PC, Galaxy Tab, iPhone/iPad).

You likely see the difference when you load our website in Microsoft Edge on a Windows 10 PC vs Chrome on an Android smartphone. A feature of web browsers called the user agent string makes this happen.

user agent switcher chrome favorite chromebook extensions tip extension android
(Source: scarab1.wordpress.com)

Select the Emulation tab then click in the User agent string list box. Both Edge and Internet Explorer support a variety of modes, including Opera, Safari, Firefox, and Chrome.

When selected, the page you are browsing will be refreshed in real time, letting you see how it behaves in that particular web browser. Click in the Custom list box then choose the desired browser mode.

Opera’s Developer Tools are based on Chrome, but accessing it is a bit easier. Unlike Chrome, Opera, Edge, and IE, Firefox doesn’t have a user -friendly way to quickly switch the user agent string.

There are add-ons with similar names, so, look for the version with the globe icon and a network pipe attached. Choose the desktop web browser and operating system platform to view the desired website.

In the User agent section, disable the Select automatically checkbox. Use the following options to discuss the new features and changes in the post, or anything else related to DevTools.

user agent switcher firefox extension addons mozilla websites force mobile version
(Source: addons.mozilla.org)

Other Articles You Might Be Interested In

01: Parse User Agent Javascript
02: Parsing User Agent String
03: Reddit Api User Agent
04: Requests.get User Agent
05: Requests User Agent Python
06: Rest Api User Agent
07: Uptime Robot User Agent
08: Definition Of User Agent
09: Detecting User Agent Browser Version
10: Device Atlas User Agent Tester
Sources
1 deviceatlas.com - https://deviceatlas.com/device-data/user-agent-tester
2 engineeringportal.nielsen.com - https://engineeringportal.nielsen.com/docs/Digital_Measurement_Testing
3 deviceatlas.com - https://deviceatlas.com/blog/list-of-user-agent-strings
4 www.haproxy.com - https://www.haproxy.com/documentation/hapee/1-7r2/enterprise-modules/deviceatlas/
5 www.whatismybrowser.com - https://www.whatismybrowser.com/detect/what-is-my-user-agent
6 wurfl.sourceforge.net - http://wurfl.sourceforge.net/
7 docs.devo.com - https://docs.devo.com/confluence/ndt/searching-data/building-a-query/operations-reference/web-group/user-agent-device-type-uadevicetype
8 www.slideshare.net - https://www.slideshare.net/MartinClancy1/making-the-web-work-on-mobile-deviceatlas
9 blog.trendmicro.com - https://blog.trendmicro.com/trendlabs-security-intelligence/operation-black-atlas-part-2-tools-and-malware-used-and-how-to-detect-them/
10 relativelypositioned.wordpress.com - https://relativelypositioned.wordpress.com/category/mobile/