What Does Your User Agent Say About You?


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".


User Agent String

Browser Data

Android Chrome Change User Agent

Maria Johnson
• Sunday, 22 May, 2022
• 9 min read

That’s why when you visit from your smartphone browser instead of desktop, Facebook loads its mobile layout to make it view-able in phone screen. In the same way, a website can change its layout depending on whether you are from Android, iPhone or iPad.

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You can also switch to Desktop Sergeant to load the Desktop version of any website (if the website loads its design depending on Sergeant other than screen size). Phone must be rooted with a Super User app installed(Chrome doesn’t let you change UA String).

Now for the first time when switching to a different Sergeant, you should be asked to grant ‘Super User request. To check if your changed Sergeant is really working, you can visit and see details.

Chrome for Android actually uses different kinds of User Strings different phones. Unless you need to change it, it’s not recommended to changeuseragent as some website may misidentify your device browser and you may face bad experience.

Saber is a Programmer and Tech Enthusiast Geek from Dhaka, Bangladesh. Changing the user agent string can be useful in certain scenarios when some website's functionality is locked down to the specific platform and you need to bypass the restriction.

This allows developers to differentiate various device classes like tablets, phones, Desktop PCs and laptops, and more. The user agent string can provide web servers some details about the user's operating system, and the browser version.

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Google Chrome is the most popular web browser which exists for all major platforms like Windows, Android and Linux. Alternatively, you can enter a custom user agent value using the text box below the list.

On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. You can change the Sergeant String (String) in Google Chrome for your desktop computer by using these steps.

You can also get to this screen by pressing Ctrl + Shift + I for Windows and Linux or Command + Option + I for macOS. Select the Menu icon located in the upper-right corner, then choose More tools > Network conditions “.

Uncheck the Select automatically check box, then choose the user agent you wish to use. Note: The UA String will only be spoofed on the current tab and only while the Developer Tools are open.

User agent is an HTTP request header string identifying browser, application, operating system which connects to the server. Not only browsers have user agent but also bots, search engines crawlers such as Google bot, Google AdSense etc.

chrome user agent

Technical Writer, Chrome DevTools & Lighthouse Press Command + Shift + P (Mac) or Control + Shift + P (Windows, Linux, Chrome OS) to open the Command Menu.

In the User agent section disable the Select automatically checkbox. If you have specific ideas on how to improve this page, please create an issue.

If you have specific ideas on how to improve this page, please create an issue. If you have specific ideas on how to improve this page, please create an issue.

If you have specific ideas on how to improve this page, please create an issue. If you have specific ideas on how to improve this page, please create an issue.

If you have specific ideas on how to improve this page, please create an issue. If you have specific ideas on how to improve this page, please create an issue.

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If you have specific ideas on how to improve this page, please create an issue. If you have specific ideas on how to improve this page, please create an issue.

If you have specific ideas on how to improve this page, please create an issue. 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.

chrome android string agent change ua changing after different strings kinds uses actually browser another os

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 useragentchange 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. As you can see below, there will be an option to change the user agent by unpicking the “Select automatically” box.

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.

Making statements based on opinion; back them up with references or personal experience. Today we explore a very interesting topic and unfortunately ignored by most: we talk of a Sergeant, all the browsers use it, but there are very few users who really know what it is and how it works.

chrome agent user google change changing dev canary editor built channel build features feature venkat francois thanks via

Identify is important, because depending on the browser and the system on which it runs, the server may send different versions of the same site. For example, if a browser will identify itself as Chrome on a desktop system (Windows, macOS, Linux) will be provided with the full version of the site, if you will identify as the same browser on the mobile platform (Android, iOS) you may be provided a simplified version of the page.

Once installed you can choose in a simple and immediate way the Sergeant that you want to use the extension offers a great collection perfect for all your needs. To use this extension is perfectly safe to return to the Sergeant of Chrome, and of your platform just with a click choose the default entry.

But, In short, An user agent is a software that provides information to a website about your browser, operating system, device etc. It helps a website to deliver compatible and relevant contents to its visitors.

Some websites deliver different contents for different operating systems, browsers and devices. In that case, You may feel necessity to change web browser’s user agent or operating system id to windows.

There are plenty of extensions or add-ons for all popular browsers to change its operating system, device and other information. You can simply install it in your browser (Chrome of Firefox) and then start using it.

browser user

After installing them, You should see a new icon in top right corner of browser. Click on that user agent extension icon and choose your preferences from browser versions, operating systems and device types etc.

You will see the different version of web pages according to the user agent you have selected In fact, Extensions and add-ons are the easiest way to changeuseragent.

ChangeUserAgent in Chrome without Extensions: First, Visit a webpage. Alternatively, You can right-click on blank area of webpage and choose To inspect.

You will find them by clicking on Edit from the device list of drop-down. Just, Right clicks on blank space and choose New > String.

Mozilla/5.0 (Windows NT 6.4; WOW64) Apple WebKit/537.36 (HTML, like Gecko) Chrome /36.0.1985.143 Safari/537.36 Edge/12.0 A full list of user agents can be found here: You can set value according to your preference.

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If you want to get back the default user agent, Just right click on general.user agent.override preference and choose reset. You can easily change, browser type, device, operating system information from there.

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