Firefox Browser Testing
The easiest way to test websites on latest Firefox browser versions. Say goodbye to your lab of PCs and virtual machines (VM) for Firefox Testing.
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Trusted by more than 50,000 customers globally
Real Firefox Browser
We provide real browsers on real machines for accurate results. Instantly test in any version of Firefox.
Test on dev environments
Test websites hosted on development environments or behind firewalls with zero setup or configuration.
No VMs or setups
Start testing your website on a remote Firefox browser from any machine. No VMs to be maintained, and no software to be installed. You just need a browser and the Internet to use BrowserStack.
3000+ desktop browsers
Use our cross browser testing tool to test across new and old versions of IE, Edge, Safari, Chrome and Firefox on Windows and macOS.
Just played around with BrowserStack: Quite cool, instant access to a browser in a VM with dev tools.
@BrowserStack, you guys rock! Just saved me hours of work by being able to nail down a Firefox 35 + OS X bug in 5 minutes!
React Router tests are green on Safari, @googlechrome, @firefox, IE 10-11, and Mobile Safari thanks 2 @browserstack!
Frequently Asked Questions
Firefox has a 9.39% desktop browser market share and is the second most used browser after Chrome. In countries like Germany, Firefox had a 16.41% market share in 2018. This means testing a website on the Firefox browser is critical.
Firefox version 68 is released and others are coming soon. However, previous versions still have users on them. For example, Firefox 52 to Firefox 59 is still used by 6.24% of the total Firefox users. With each new version, some functionality is deprecated and new features are introduced. Thus, constantly testing a website on older versions of Firefox to see if new functionalities still work on all versions is important. Similarly, when Firefox releases new versions or variants like Firefox Quantum, teams must be able to build and take advantage of the new features.
A Firefox Emulator (sometimes referred to as Firefox Simulator) imitates a Mozilla Firefox browser on a desktop or a laptop. This helps developers or QA testers to run a quick check of how their code appears on Firefox, as part of their development lifecycle.
Firefox emulators (also well known as Firefox Simulators) mimic a Firefox screen and run slower than a real Firefox browser instance. They act like a Firefox Virtual Machine (VM). For example, a Firefox test on Mac is unreliable on an emulator since teams cannot mimic some interactions or the exact CSS support. Thus, this can mean that an end-user might experience a bug that might not come up in a test run on emulators.
BrowserStack provides instant access to real devices with pre-installed Mozilla Firefox versions to comprehensively test on Firefox. For example, teams can run a Firefox 60 test on Windows 10 by signing into BrowserStack Live. Tests conducted on real devices give accurate results similar to end-users in the real world as compared to those performed on Firefox Emulators. For debugging, BrowserStack provides native developer tools similar to Firefox. This can be very useful given the discontinuation of Firebug.
BrowserStack provides developers and QA testers with access from Firefox 3 to Firefox 69. Teams can also automate their tests and integrate with CI/CD tools like CircleCI, TeamCity, Jenkins using our plugins.