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How To Do Cross Browser Testing In Selenium?



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Serialization in Java converts an object’s state into a byte stream; de-serialization is the reverse We’ve often noticed that some websites aren’t correctly shown in various browsers, leading us to believe that the website is not working correctly. However, it works properly when you access the same website in another browser. As a result, the compatibility of a website with various browsers is explained. In addition, the material on the website is interpreted differently by each browser. As a result, some browsers may lack the website’s features, causing it to appear broken in that browser.

With today’s latest technology, various browser options are available, and it’s not enough that our website works on one of them. Users should not be required to utilize a specific browser to access your application. As a result, you must test your website’s compatibility with various browsers. Chrome, Firefox, Safari, Opera, Internet Explorer, and others are some of the most popular browsers.

Cross-browser testing is a functional test that ensures your online application performs as expected across various browsers. Testers aim to run tests on all conceivable browsers and browser versions while evaluating website functionality. Selenium is frequently used for these tests since it supports cross-browser testing.

With the growing demand for automation testing, Selenium is one such tool that is ideal for website cross-browser testing. It’s critical to test the websites’ compatibility and performance across various browsers and operating systems.

Cross-browser testing entails putting a website through its paces in various browsers, such as Internet Explorer, Chrome, and Firefox, to see how well it performs. The capability of a website or web application to work across many browsers and operating systems is known as cross-browser compatibility.

Manually testing a website across numerous browsers, on the other hand, is quite time-consuming.

Consider the following scenario:

100 test cases must be run manually. Imagine running the same tests on five different browsers - the amount of time it takes increases exponentially. However, if the same tests are automated with Selenium, they may be done in parallel and a fraction of the time. It will also eliminate any issues caused by human error.

👉How to do Headless Browser Testing in Selenium?

👉What is Selenium Testing?

Why is Cross-Browser Testing Needed

Cross Browser Testing is required for a variety of reasons.

  • Compatibility of the browser with various operating systems.
  • Orientation of the image
  • Page alignment and div size.
  • Javascript has a distinct orientation in each browser, which can cause problems at times.
  • CSS,HTML validation differences can be there.
  • Font sizes aren’t matching or aren’t being rendered correctly.
  • Some browsers still do not support HTML5.
  • Compatibility with the new web framework is an important consideration.

What is the significance of cross-browser testing

Although browser companies adhere to Open Web Standards, each has its interpretations. Because different browsers render HTML, CSS, and JavaScript in different ways, carefully debugging a website’s source code isn’t enough to ensure that it will look and behave as intended across all browsers (or various versions of a single browser).

As an outcome, web developers are responsible for abstracting browser differences. Cross-browser compatibility testing aids with this by identifying browser-specific compatibility issues, allowing them to be promptly debugged. In addition, it ensures that a website does not alienate a significant portion of its intended audience simply because it is not compatible with its browser OS.

How To Do Cross-Browser Testing In Selenium

Selenium is one of the numerous extensively used automated testing frameworks. Selenium is a software package, not simply a single program.

It comes with various options:

WebDriver: a set of language-specific bindings for driving a browser

IDE: an add-on that records and replays interactions with the browser

Grid: to run the tests on a wide range of browsers and operating systems

You can automate the browser with Selenium, which gives you many options and functions. Thanks to its flexibility, you can replicate practically everything a user can perform on the program. This kind of repetitious work lends itself well to automation. As an outcome, adopting tools to accomplish this testing is more cost-effective. Let’s glance at how it’s done with the Selenium Web Driver.

Step 1: With Selenium WebDriver, we can automate test cases in Internet Explorer, Chrome, Firefox, and Safari.

Step 2: We can use the TestNG framework in conjunction with Selenium WebDriver to simultaneously test cases in many browsers on the same machine.

Step 3: Finally, it’s time to write the test cases and run the code.

👉Explore Trainings in Software Testing


When it comes to website building, cross-browser testing is critical. Compared to the earlier decade, the mobile revolution has transformed the way people see websites nowadays. The developer cannot ignore the fact that billions of mobile consumers worldwide. The website is compatible with any device, browser, version, operating system, and resolution. Developers and testers have to be ready for this before the disaster occurs. Selenium automation enables us to perform cross-browser testing and be confident in our website. Cross-browser testing using Selenium is crucial since it guarantees that the web application is cross-browser consistent and equips a consistent user experience.

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