Cross-Browser Testing

Browser compatibility testing verifies if the product correctly operates across different browsers. The testing consists in identifying specific patterns of functional behavior and interface appearance, as well as in finding bugs that impair the product performance in a particular browser.

Cross-browser testing is performed to eliminate discrepancies in the websites and web services functions that are caused by how a specific browser operates (for instance, some of the product features may or may not be supported), as well as differences in the operation of the desktop and mobile versions of the product.

Cross-browser testing verifies that the product is fully functional on a variety of devices, allows extending its life cycle and ensures the product correct operation regardless of the user device configuration.

How We Perform Cross Browser Testing on Real Devices

We check the product compatibility with various browsers via manual testing on real devices, as well as using emulators that simulate their functions. To increase our performance efficiency, we use modern cross-browser tools and services which allow comprehensive automated testing of the products of any complexity level.

During browser compatibility testing, the following product criteria are tested:

  • uniformity of the dynamic interface elements;
  • uniform display of fonts;
  • correct page layout;
  • interface graphics (images, backgrounds, fields, text areas);
  • the ability to scale, cursor hover, or page scroll.

We use various methods to test the product compatibility with different browsers:

  • “Live” tests during which the product is being operated in a browser with predefined settings, and the test results are documented via video recordings and saving screenshots;
  • Selenium tests which involve automated testing of products based on pre-written scripts with video recording of the results;
  • Automatic screenshots saving for different combinations of various operation systems, browsers, devices, scales and screen resolutions;
  • Local check of the documents not yet uploaded to the server.

We perform product testing on new versions of the most popular browsers, such as Google Chrome, Mozilla Firefox, Opera, Internet Explorer, Safari. At the same time, we run test JavaScript in browser and check the browser ability to support JavaScript and CSS.


All products are being tested in accordance with the composed test cases, which indicate all possible configurations of the environments with which the product will interact, such as varieties and bit size of the OS, types and versions of the browsers, the capabilities of graphic adapters, the devices memory size and the networks bandwidth. Then all found bugs and their priority are recorded in the bug tracking system.

Why QA Supermarket?

  • Expert Testing on Demand
  • Upfront NDA
  • Transparent Pricing
  • Free Test Plan
  • No Obligations
  • No Overhead
  • No Sales Pitch
  • 100% Satisfaction Guaranteed

Why do you need professional testing:

  • About 60% of apps fail because of bad quality.
  • Automated testing will not show most of the bugs witch human may get.
  • Most developers are not qualified and not efficient to perform testing of your app.
  • The application must be tested in full – unit test can work, but integration of the all parts of the system can bring lots of surprises (see examples).

Why choose QA Supermarket?

  • Cost effective: Third-party testing on demand reduces expenses for internal QA team and hardware
  • Experienced: All testing is performed manually by highly-trained, knowledgeable experts
  • Transparent: Pricing is provided upfront so you know exactly what you’ll get and what you’ll pay
  • Easy: QA’s interactive dashboard guides you through the process, providing real-time status updates from start to finish
  • Secure: With an upfront NDA, you can be confident we’ll find your bugs while you keep your code

It takes only 3 steps to test your app

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Log In
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Type your link
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Get free testplan & start testing

QA Supermarket’s full range of testing services for software, websites and applications include:

Functional testing

Does your product work like it’s supposed to? >

Installation testing

Can people install and load your product quickly and easily? >

Usability testing

Do the interface and other components of the product offer users an optimal experience? >

Interrupt testing

Will interacting with device components or other software cause your product to malfunction? >

Performance testing

Does your product behave like you want under different load conditions? >

Compatibility testing

Will your product look good and work properly across different devices and platforms? >

Stability testing

Will your product continue to perform well over time and through a full range of uses? >

Why QA

Why QA Supermarket?

You no longer need to maintain your own testing department and pay salaries, insurance and taxes. No need to spend money on facilitating tasks and purchasing equipment for testing. QA Supermarket provides an NDA upfront. We provide workflow to guide you through the process from a task definition to final bug list. Get in touch and rest assured that your software will be bug-free soon.

How can QA Supermarket help you?

Business owner

QA Supermarket helps you deliver the a highest-quality product to keep customers happy and your reputation intact

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Project manager

QA Supermarket acts as an extension of your team so you can reach your goals on the timelines you need

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Software developer

QA Supermarket enables you to focus on creating a great product while we keep the bugs out of your code

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