In today’s competitive era, there are now more choices than ever for creating a personalized experience while reading digital material. However, in the process of developing software, this is readily missed. The major offender? Not doing web testing.

It is really simple to see why web testing is often neglected. A web developer works hard to create a web application that works and looks nice for them. However, you can only be certain it works that way on your computer if you don’t do at least a minimal degree of cross-browser testing. How can you be sure that your tests pass when someone uses Safari if you’re using Google Chrome on a Mac? Have you given Android or iPhones any thought? What about Firefox or Internet Explorer on Windows? Cross-browser testing is essential as technology advances since it is the only method to determine if other people are using your website as you intended.

This post will discuss the importance of cross-browser testing. Read on to know more. 

Cross-Browser Testing : What Is It?

Cross-browser testing is the procedure that is used to check if your website or web app if it can be accessed using various devices, browsers, and assistive technologies. Because each browser interprets website code differently, it is the responsibility of developers to ensure that both the most recent and older browsers comprehend the code properly. With this type of testing, you can identify browser-specific compatibility issues so you can rapidly debug them by testing and understanding this method.

Even if you’ve created an application that runs well on your favorite browser, testing is still necessary to guarantee user success. Testing across browsers is part of this.

Let’s take an example. Consider that you just created a new website for your organization. On your preferred browser, it appeared and operated well. But you want to impress a potential customer. The website turned out to be a total jumble when you access it on your phone. Gifs don’t function, text is all over the place and there are no photos. This is a consequence of failing to recognize compatibility issues unique to certain browsers. Through cross-browser testing, you may examine how the website will work and look on:

  • Different combinations of browser and operating system
  • Different types of gadgets

Cross-browser testing is a method of verifying that your application functions as intended when used by anybody, regardless of browser or device, without a drop in quality.

It is quite significant to note that if your website has lengthy page loads or other issues, people will leave it immediately. Numerous methods, like as surveys, focus groups, and A/B testing, help you ensure the quality of your website, but they cannot provide you continual, real-time information about how consumers are really using it. Real-user monitoring, often known as RUM, is one way to address this problem. RUM monitors and evaluates the end user experience in an application, including how long it takes for web page components to load, if there are problems on the page, and how long AJAX and HTTP requests take

Why Should You Use Different Web Browsers For Testing?

The Internet plays a noteworthy role in our daily lives, both personally and professionally. Today, the world’s information hub is the Internet. Most of the information we access every day is hosted on websites that come from all parts of the world. Any organization, regardless of its kind, needs a solid website that responds to users in a timely, dependable, and accurate manner. Your website is essential to the continued success of your company and to set it apart from the competitors. But not all browsers operate in the same browser, and without external, multi-browser testing, your website visitors could not enjoy the experience you want them to.

Come, now, let’s us take a glance at some of the reasons why you should consider cross browser testing for your organization.

  • The significance of outside testing – Third-party testing

It is crucial to test your website on several web browsers from a third party. Have you ever observed that when someone visits your website from a computer outside of your workplace, it appears differently? Your website may appear excellent on Chrome but terrible in Internet Explorer, and vice versa. You have no influence over the browser a user chooses to access your website using.

The variations in page presentation are brought on by how each web browser interprets HTML, CSS, XHTML, and browser plug-ins. The browser performs several functions like a small operating system. Browsers provide a variety of fresh interface and visualization options for your website and the web. Browsers get slower the more work we ask of them on your website. Knowing how long it takes for your website to load and how it appears in various browsers is essential in today’s competitive era.

  • Browser and version differences are important.

It is essential to understand how real end users really interact with your website. The effectiveness and aesthetics of your website affects your organizations’s reputation, regardless of whether it serves as an informative resource, a lead generator, or a source of increased sales. It gets worse since you have to be aware of how your website will appear at various screen sizes and in various browser versions. Take Safari as an example. How does your website seem on the latest version of Safari? Make sure your website displays properly in as many browsers and all of their externally available versions as you can.

According to the US Government, Chrome has 35% of the market share for desktop browsers, followed by Internet Explorer with 28%. Safari comes in second place after Internet Explorer with 20% of the market. The majority of the browser market share in Europe, at 50%, is held by Chrome. 

  • Various browser testing safeguards your cash and reputation.

You have invested a lot of money so that you get your website up and run in order to attract visitors and showcase your organization and products to a broad audience. You must be aware of how your website functions on various browsers if you are revamping it or want to ensure that your investment in it is paying off. Ensuring that your organization creates a positive impression on current and future clients may be achieved by doing website testing across various browsers.

You can confirm that your website always functions properly, responds swiftly, and shows appropriately by automating testing of it. Today, it’s critical to understand more about your website than simply if your architecture, servers, and network are functioning properly.

  • It’s critical to use the proper monitoring software.

Finding a technology that can analyse your website natively in the browser—that is, loading your content in a real browser rather than simulating the browser—is crucial. Additionally, this tool must examine your website from the places where your visitors access it, i.e., from numerous geographical locations outside of your firewall and outside on the web.

You may put up your own servers at other locations and test your website in other browsers as one method of doing this testing. Setting up 30–40 servers in far-flung locations to test your website across various browsers would be unaffordable. It is possible to examine your website using monitoring tools from cost-effective external geographic checkpoints. Tools that make sure you don’t lose visitors as a result of a browser’s or a browser version’s poor rendering. Make sure you protect your website investment by evaluating and monitoring your website performance rather than making the assumption that your website is doing effectively. By not testing, you are compromising the income and reputation of your business.

How Should I Select The Best Browsers for Testing?

It is hard to develop for and test on every conceivable combination of browser and operating system due to the sheer number of devices, operating systems, and browsers available today. Focusing your testing efforts on increasing the reach of your website inside your target market is a more practical aim. Lock down the most important browsers and versions to do this:

  • Considering analysis: Analyze and segment the traffic statistics for your website as recorded by analytics programs (such as Google Analytics or Kissmetrics). The objective is to learn:

Which browser-OS combinations do your target customers most often use?

What devices people often use to access your website

  • According to popularity: Choose the 10–20 most widely used or popular browsers. Select the top two systems, such as iOS and Android. This will increase your visibility in any target market. B2C (consumer-facing) websites are often optimized for this.

Choose the browser-OS pairings that your end users prefer in light of these facts. Prioritize testing on any browser-OS that receives more than 5% of traffic, according to a straightforward rule of thumb.

Refer to your traffic statistics and then combine those learnings to make an educated choice that is tailored to your target audience. The Business and Marketing departments often decide which browsers and platforms to test on (or the client). These teams’ goals aid in concentrating the efforts of the product/testing teams in directions that will provide the most rewards with the least amount of work.

Important Metrics Measured The use of cross-browser testing

Metrics may be used by development teams who do cross-browser testing to assess many facets of the user experience. Depending on the platform you select, and how you execute cross browser testing, different metrics may apply. You may assess how these KPIs perform across various browsers and devices for each process or user journey you test.

  • the time needed to do a single task inside a wider process, such as pressing a button.
  • the amount of time it takes for a page’s components to completely load.
  • the time it takes to complete a user interaction or transaction on a website, such as setting up an account.
  • the time it takes for the web page’s biggest component to load (just taking into account stuff above the fold).
  • how content moves across a web page when certain components, such as videos or graphics, load more slowly as compared to the rest of the page. Users may miss their location on a page or click the incorrect button as a result of these sudden movements.


By leveraging cloud-based cross browser testing platforms like LambdaTest, you can test web applications across more than 3000 different browsers, operating systems, and gadgets. With LambdaTest, cross-browser testing may be done manually or automatically using frameworks like Selenium, Cypress, and more. Your team will benefit from this scalable testing platform by moving your software evaluation requirements to the cloud infrastructure. You can make sure that your web application or website is compatible with practically every browser and device on the market by running real-time cross-browser compatibility testing using LambdaTest. Businesses may use it to evaluate the responsiveness of their online applications and get complete screenshots of the testing.

Knowing how important cross-browser testing is from a QA standpoint and for the creation of contemporary online applications, It helps us comprehend how we must make sure that the website’s elements function effectively on a variety of browsers, operating systems, and computer systems. Cross-browser compatibility testing was unnecessary if each browser was created in accordance with the Open web standards

However, these factors change and make firms reliant on cross-browser testing in order to be the best on the market. Cross-browser testing is a need for the QA process and is inescapable. In order to prevent users from subsequently complaining about a malfunctioning website, it helps identify and fix any issues up front. In order to maintain a loyal user base over the long term, the ultimate goal of all of this work is to provide an unrivaled user experience across all platforms.


Keerthana is the Managing Director at After many years of making it and breaking it in the freelance world, she now mentors new writers who want to take their careers to the next level.

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