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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

Change User Agent In Opera

author
Ellen Grant
• Tuesday, 03 November, 2020
• 7 min read

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. In today's article, we will learn how to change the user agent string in the popular Opera browser.

agent user opera change reddit modern
(Source: www.bettertechtips.com)

Contents

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.

Prior to version 12, the browser had its own rendering engine, Presto, which was ditched in favor of Blink. Alternatively, you can enter a custom user agent value using the text box below the list.

The list includes various versions of Internet Explorer, Edge, Opera, Safari, Firefox, and Chrome. Using the built-in Developer Tools option, you can restore the default value of the user agent in the Opera browser any time.

Scroll down your mouse to the User agent section and uncheck the Select automatically option. Select your desired user agent from the drop-down menu and reload the current page to apply the change.

Built-in ad blocker battery saver free VPN This Opera extension adds a toolbar button and a menu to switch between user -agents.

(Source: www.youtube.com)

Enter a number from 1 to 5 (refer to the list above), and press save. Note that there is currently no Safari or Chrome user agent spoofing in Opera yet since Internet Explorer and Firefox are understandably the 2 internet browsers with the largest users worldwide.

User -agents are particularly crucial for mobile devices, which are much more fragmented than desktop computers in terms of capabilities. Service providers need to know what particular handset is being used to purchase content, so it can push the correct file with the preferred video and sound format after the billing stage is finalized.

In the search box adjacent to Show All, type Spoof Sergeant ID. This is the flag that was amended in the main guide, using the Opera graphical interface.

Built-in ad blocker battery saver free VPN Important features are as following:a. Toolbar popup UI provides an easy interface to access 26 user -agents.

Android: a Google OS for various mobile devices including Nexus.3. Internet Explorer, Edge: two browsers build by Microsoft.

(Source: tech-geek.ru)

Opera can make itself to identify as either Internet Explorer or Mozilla Firefox. The flexibility is provided as a workaround for users to access websites which do not recognize or support Opera, and worse still, block access or prevent loading or web pages on Opera browser.

Type Spoof Sergeant ID into the quick find box next to “Show All”. If you ever wanted to make your web traffic seem like it was coming from a different browser–say, to trick a site that claims it’s incompatible with yours–you can.

If you don’t see the console at the bottom, click the menu button in the top right corner of the Developer Tools pane–that’s the button just to the left of the “x”–and select “Show Console”. On the Network conditions tab, uncheck “Select automatically” next to User agent.

It only works while you have the Developer Tools pane open, and it only applies to the current tab. To create the preference, right-click on the about:config page, point to New, and select String.

This setting applies to every open tab and persists until you change it, even if you close and reopen Firefox. To revert Firefox to the default user agent, right-click the “general.user agent.override” preference and select Reset.

opera browser driver daily years glitches firefox happens chrome always well been some
(Source: jimiz.net)

Microsoft Edge and Internet Explorer have user agent switchers in their developer tools, and they’re nearly identical. To open them, click the settings menu and select “F12 Developer Tools” or just press F12 on your keyboard.

The developer tools will open in a separate pane at the bottom of the window. You can find extensive lists of user agents on various websites, such as this one.

It only applies to the current tab, and only while the F12 Developer Tools pane is open. Chris has written for The New York Times, been interviewed as a technology expert on TV stations like Miami's NBC 6, and had his work covered by news outlets like the BBC.

Since 2011, Chris has written over 2,000 articles that have been read more than 500 million times---and that's just here at How-To Geek.

Other Articles You Might Be Interested In

01: Wget Specify User Agent
02: Wget User Agent Example
03: Screen Reader User Agent
04: Uptime Robot User Agent
05: Webbrowser Control User Agent
06: Web Browser User Agent List
07: Css User Agent Stylesheet Override
Sources
1 stackoverflow.com - https://stackoverflow.com/questions/4873867/whats-the-best-way-to-override-a-user-agent-css-stylesheet-rule-that-gives-unor
2 alabamacodecamp.com - https://alabamacodecamp.com/css/css-override-user-agent-stylesheet.html
3 stackoverflow.com - https://stackoverflow.com/questions/24415385/how-to-stop-user-agent-stylesheets-from-overriding-my-css
4 stackoverflow.com - https://stackoverflow.com/questions/9308234/user-agent-stylesheet-overriding-my-table-style-twitter-bootstrap
5 cmsdk.com - https://cmsdk.com/css3/why-is-user-agent-stylesheet-overriding-my-css-stylesheets-in-safari-7-0-0.html
6 www.w3docs.com - https://www.w3docs.com/snippets/css/how-to-override-css-styles.html
7 css-tricks.com - https://css-tricks.com/forums/topic/cant-seem-to-override-user-agent-styles/
8 teamtreehouse.com - https://teamtreehouse.com/community/user-agent-stylesheet-overriding-a-div-class
9 developer.mozilla.org - https://developer.mozilla.org/en-US/docs/Web/CSS/Cascade
10 www.niceonecode.com - https://www.niceonecode.com/Question/20584/What-is-user-agent-stylesheet-and-how-edit-it