Berry Mathew

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Chrome has maintained its position as the most widely used browser on mobile browsers, with a market share of 66% so far in 2022. Safari has around 24.14%. But on tablet browsers, the number of users differs- Chrome 49.46% and Safari 34.62%. On desktop, 66.18 % of users prefer Google, 9.59% choose Safari, but around 11% of people use Edge. 

These statistics prove that with the device, people’s choice of browser changes. So, while creating any application, pay attention to cross-browser testing.

What is cross-browser testing?

Cross-browser testing is also known as browser compatibility testing. It is the process of checking a website or web application in many browsers for any issues that can lead to a worse user experience for certain people due to the browser they are using. Testing for browser compatibility pays special attention to the site’s functionality and actual presentation across various browsers.

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What are the cross-browser issues?

issues with javascript

Due to the dynamic nature of browsers, code is often updated and patched. If an older browser doesn’t support a new JavaScript feature, it might cause problems for the web application that uses that feature.

No reset of CSS

When testing for browser compatibility, one of the most prevalent problems is that each browser has unique CSS rules. Because of this bug, the same style may appear differently among browsers.

Problem with HTML/CSS Validation

One of the most typical cases of cross-browser compatibility testing is the validation of HTML and CSS codes. This needs to be noticed because web developers seldom check their code using an HTML/CSS validator, even though browsers often interpret and react differently to the same code.

Identifying Outdated Web Browsers

Using outdated browsers is difficult because they rely on obsolete browser detection programs. It increases the likelihood of a site’s breakdown if the browser’s version is unknown.

A few more issues are

  • Disorganized page layout
  • Layout compatibility issues with some browsers; framework and library version 
  • Inconsistent font size and image orientation

Why is it important?

Any application has many components, and its appearance depends on the browser. Take JavaScript code in IE and Chrome. JavaScript operates differently in these browsers. Another example can be image orientation or design. The design components may look more prominent in Opera and smaller in Safari. Cross-browser testing ensures all site components perform seamlessly and as intended in different browsers.

Look at its benefits to better understand the cross-browser’s importance.

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elevated user engagement

Improved revenues and profits are the direct outcomes of an application’s increased user engagement. One of the most powerful methods of boosting user engagement is checking for browser compatibility. Testing them in many browsers will seem the same to everyone who visits your site. If browsers misinterpret the site’s design, users could quickly lose interest and go elsewhere.

Generate CTAs without any interruptions

There is a clear correlation between the visibility of CTAs and the success of an online marketing campaign (ROI). The purpose of a website or web application’s call to action is to get people to do that action. Some visitors to the site may see it correctly and take the appropriate action, while visitors using other browsers may not see it correctly or, worst-case scenario, may only see it if it is rendering for some browsers. Consequently, your internet marketing will be more successful if you do tests across many browsers.

The cohesive combination of forms

In the economic world, forms have crucial functions. However, there are situations when things need to be revised. One of the main reasons for this form misuse is insufficient for cross-browser testing. A web designer will be aware of this after launching the site in every major web browser and seeing that the forms don’t work in any of them. In the same vein as before, this kind of mistake hurts the business. Using a cross-browser test may aid businesses in getting beyond such obstacles.

uncomplicated fonts

Web fonts may seem different in specific browsers than the developers intended. By testing on many browsers, uniformity can be confirmed. In time, specific browsers will display inaccuracies.

Compatible with mobile devices

A website or web application’s responsiveness is guaranteed by browser compatibility testing. It’s generally known that different mobile devices have other default browsers. If they work on all major mobile browsers, all mobile users will view a correctly formatted size version. UX, SEO, bounce rate, and sales improvements may all be attributed to testing on many mobile browsers.

Similar preferences across browsers

Different operating systems and browsers have different ways of dealing with code. A minor mistake, such as forgetting to close a tag, might have catastrophic results in some situations. The element won’t render in specific browsers, while others will. Testing in many browsers will guarantee there is no such problem.

Adapt to the trend

Web development practices have evolved dramatically since the advent of the internet. Website configurations have become due to the advent of new web technologies, libraries, and frameworks, including HTML, jQuery, JSON, XML, and ReactJS, as well as their constant refining over the years.


Cross Browser testing is directly related to user experience, and poor experience will affect your business. You can prevent this with cross-browser testing automation. Use HeadSpin’s comprehensive automated testing to analyze and fix issues with the application across a wide range of platforms and browsers. Developers and testers can use this solution to do automated and manual tests on real devices.