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1. User Agent For Firefox Mac Browser
2. User Agent For Firefox Mac Download
3. User Agent Switcher Firefox Mac

The User-Agent (UA) string is contained in the HTTP headers and is intended to identify devices requesting online content. The User-Agent tells the server what the visiting device is (among many other things) and this information can be used to determine what content to return. Of course this requires using a device detection solution which translates UAs into understandable software and hardware information.

1. User-Agent: Firefox. This document describes the user agent string used in Firefox 4 and later and applications based on Gecko 2.0 and later. For a breakdown of changes to the string in Gecko 2.0, see Final User Agent string for Firefox 4 (blog post). See also this document on user agent sniffing and this Hacks blog post.
2. Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!

List of User Agents. User Agent strings come in all shapes and sizes, and the number of unique user agents is growing all the time. We've collected millions of user agents and have categorised them here for you, based on many of the things we detect about them - Operating System, Browser, Hardware Type, Browser Type, and so on.

User-Agent list for different device types

There are millions of User-Agent combinations given that UAs change with the software and hardware. For example, a Chrome browser on an iPhone 6 will introduce itself using a different UA than a Safari browser on the same phone.

User Agent For Firefox Mac Browser

Every device type, including phones, tablets, desktops, may come with its own UA that makes it possible to detect this device for any purpose. Interestingly bots and crawlers also come with their unique UAs.

Here is a list of example User-Agents for different device types that can be detected. If you’d like to learn more on these devices, just copy and paste the UAs to our User-Agent testing tool. You’ll see all the properties of a detected device.

• E-Readers User Agents

Android Mobile User Agents

If you're wondering which devices are most common where you are, read our list of the world's most popular Android devices.

iPhone User Agents

Below are examples of User Agent strings used by the most popular iPhone devices. As Apple do not pass much info through the User Agent, version numbers don't allow us differentiate between iPhone models.

However, with DeviceAtlas client-side, you can classify these user agents to return correct device model.

Download our free e-book on User Agents to learn:

• What is a User Agent?
• How do you parse them?
• What can you do with them?

For more on how to detect exact iPhone 8/8 Plus and iPhone X models, read our guides on How To Detect iPhone 8/X and how to detect the latest iPhones - the XR, XS and XS Max.

MS Windows Phone User Agents

Tablet User Agents

User Agent For Firefox Mac Download

If you're looking for a list of mobile browser user-agents, we've got them too - List Of Mobile Browser User-Agent Strings .

Desktop User Agents

User Agent Switcher Firefox Mac

For the web, native apps and mobile operator environments.

Set Top Boxes User Agents

Game Consoles User Agents

Bots and Crawlers User Agents

We've compiled a more in-depth list of User-Agent strings of the most active web crawlers and bots.

E Readers User Agents

Learn more about User-Agents

If you're looking for more information on User-Agents, be sure to read these posts on the DeviceAtlas blog:

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• Optimize website content for mobile, tablet, and other devices
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• Handle traffic from any device as you want

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A user agent is a line of code that tells websites what type of browser and operating system you're using. This information helps the web server deliver content that's compatible with your browser.

Table of Contents

You can change Firefox's user agent to trick websites into thinking that you're using a different browser or operating system. Web developers might do this to see how their websites will appear on different systems and browsers. Sometimes, add-ons and other installations can change your user agent without your knowledge.

Websites may not display correctly or may show a message that your browser is outdated or incompatible, based on the detected user agent. It's important to switch Firefox back to the default user agent so that websites work properly.

To view your user agent, click the Firefox menu button , click Help and select Troubleshooting Information. This will open a page with the address about:support. The Application Basics section will include a User Agent entry. For example, the default user agent entry for Firefox 72 on Windows 10 (64-bit) would appear as:
_{Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0}

To reset your user agent:

1. Type about:config in the address bar and press EnterReturn.
   A warning page may appear. Click to continue to the about:config page.
2. Search for useragent by typing it into the Search field.
3. Right-clickHold down the control key while you click on each of these preferences, if they exist, and select Reset from the context menu.

1. Type about:config in the address bar and press EnterReturn.
   A warning page may appear. Click to continue to the about:config page.
2. Search for useragent by typing it into the Search preference name field.
3. Click the Reset or Delete button on each of these preferences, if they exist:

• general.useragent.extra.firefox
• general.useragent.extra.productName - where productName can be the name of some third party software (e.g. microsoftdotnet).
• general.useragent.locale
• general.useragent.override
• general.useragent.security

See Configuration Editor for Firefox for more information about using the about:config page to reset or delete preferences.

After resetting your user agent, you may need restart Firefox and clear your cookies and cache:

1. Click the Library button on your toolbar. (If you don't see it there, click the menu button then click Library.) Click and select .
2. In the Time Range to clear: drop-down, select Everything.
3. Below the drop-down menu, select both Cookies and Cache. Make sure other items you want to keep are not selected.
4. Click .