Arnab Roy Chowdhury is a community contributor with 10+ years of experience working across software development, web UI engineering, and technical content writing. Currently a Senior Consultant at Capgemini, he has hands-on experience in building and maintaining cross-browser compatible web interfaces using HTML5 and modern frontend practices. Arnab has also contributed as a freelance web developer and writer, combining practical development expertise with clear technical documentation. He holds a Bachelor’s degree in Computer Engineering.
Published Articles: 74
Articles by Author

Automation
Sales Affecting Mistakes In E-commerce WebsitesWorld economy is moving online. Building an e-commerce store is no longer a major challenge right now. Entrepreneurs with the dream of doing something big for their product get perfect exposure through online shopping applications.
January 11, 2026

Software Testing
13 Mistakes while performing Usability TestingTesters or observers make certain mistakes that can lead to a critical defect from where, recovering the application can be costly and time consuming. In this article, we shall discuss 13 common mistakes that happens during usability testing and should be taken care of.
January 11, 2026

Selenium
13 Benefits of Selenium WebDriver for Automation TestingFind out the key benefits of performing automation testing with Selenium WebDriver. See what makes it special and different from Selenium IDE and RC. Read more.
January 31, 2026

Software Testing
13 Reasons To Go For Software Testing CareerSoftware testing has a reputation to be a job where people accidentally fall in and after some time, starts liking it. This is however, a myth. The testing domain is thriving in the industry and with the new age of automation and organizations experimenting towards Agile Methodology.
January 11, 2026

Automation
16 Cross Browser Compatible Web Development ResourcesWeb development has never been the way it is currently. With more than hundreds of open source tools, libraries, and frameworks, along with lots of online tutorials, one can easily get started and very soon become a successful web developer.
January 11, 2026

Automation
18 CTA Design Tips to Boost Your WebsiteSupercharge your website's conversion rate with these 18 CTA design tips. Optimize your call-to-action buttons for maximum user engagement and conversions.
January 11, 2026

Interview Questions
Top 19 JavaScript Interview Questions | TestMu AI (Formerly LambdaTest)As a fresher, it is difficult to prepare for an interview. Here are 19 Javascript interview questions that I faced the most while applying for a job.
January 11, 2026

Automation
19 Typography Skills That Transform Mobile Web Design | TestMu AI (Formerly LambdaTest)Discover expert typography skills to revolutionize your mobile web design. Enhance readability, user experience, and visual appeal for mobile users.
January 11, 2026

Software Testing
24 Common Mistakes You Made In Website TestingThe pressure of working under a fast-paced Agile environment, leads to many mistakes in website testing. Here are 24 most common things that we forget to test.
January 30, 2026

Automation
30 Free Web UI Mockup Tools for Web Designers | TestMu AI (Formerly LambdaTest)Discover 30 free website mockup tools for web designers. Create interactive prototypes, streamline designs, and share ideas effortlessly with your team.
January 11, 2026

Automation
5 Common Android Problems and How To Fix Them | TestMu AI (Formerly LambdaTest)In this blog, explore the common Android problems and how to fix them.
January 11, 2026

Automation
How To Develop a Single Page WebsiteDeveloping a website, either for personal or for the commercial purpose have never been easy. You must consider many facts and conclude on decisions that may impact your site’s ranking as well as audience count. Especially, when you are planning to develop a single page website, complications arise even more.
January 11, 2026
![7 Required Skills for Automation Testers [2024]](https://assets.testmuai.com/resources/uploads/2024/03/7-Skills-of-Top-Automation-Tester-1200px.png)
Software Testing
7 Required Skills for Automation Testers [2024]Just starting as an automation tester? Your company will expect you to deliver solutions that no one thought of! Find out the 7 required skills for automation testers to excel.
January 13, 2026

Automation
Mistakes while Optimizing Your Site for Mobile DevicesIn the current age of digitalization, people are driven towards digital discovery through a mobile-first approach. Keeping that in mind, web developers from big enterprises as well as small businesses, make a note of optimizing a website as mobile-friendly as possible.
January 11, 2026

Software Testing
9 Skills To Master Exploratory TestingWondering what it takes to master exploratory testing? This article will help you evaluate the required skill set.
January 11, 2026

Automation
A Detailed Guide On Remote Debugging: Remote Debugging with Firefox and AndroidHere is a detailed guide on remote debugging: remote debugging with firefox and remote debugging on android
January 12, 2026

Automation
Advanced Guide On How To Write A Bug Report | TestMu AI (Formerly LambdaTest)Get better information on what is a bug report in software testing and how to write a bug report
January 30, 2026

Automation
Agile Vs Waterfall Methodology | TestMu AI (Formerly LambdaTest)The 2 most popular methodologies areWaterfall model, relying on a more traditional approach and Agile methodology, a rapid application development procedure, newer than waterfall and implemented using scrum.
January 11, 2026

Automation
Angularjs: A Developer’s First Choice | TestMu AI (Formerly LambdaTest)The job of a web developer is becoming much complex in recent days. With number of browsers increasing at a rapid rate and developed web pages behaving differently in each one of them, cross browser testing has emerged as a necessity to every web developer as the browser preferred by the end user is unknown to them.
January 12, 2026

Automation
Top 14 Programming Blogs to Read in 2026 | TestMu AI (Formerly LambdaTest)Discover top programming blogs to boost your skills, from learning new technologies to mastering them and solving coding problems along the way.
February 8, 2026
![Top 15 Best Books for JavaScript Beginners [2026]](https://assets.testmuai.com/resources/uploads/2024/03/Top-15-Best-Books-for-JavaScript-Beginners-2024-1.png)
Automation
Top 15 Best Books for JavaScript Beginners [2026]JavaScript is easy to learn. And it's even easier if you have basics on your fingertips. Here are the best books for JavaScript beginners that might want to gain some basic knowledge on JavaScript in order to improve your advanced coding capabilities.
February 8, 2026
![13 Best Chrome Extensions for Developers [2026]](https://assets.testmuai.com/resources/uploads/2024/03/16-Best-Chrome-Extensions-for-Developers-1200px.png)
Automation
13 Best Chrome Extensions for Developers [2026]Discover the 13 best Chrome extensions for developers to boost productivity. With Chrome’s 65% market share, get the top tools for seamless coding.
February 8, 2026

Automation
21 Best JavaScript and CSS Libraries | TestMu AI (Formerly LambdaTest)Discover top JavaScript & CSS libraries for web development. This blog highlights key tools for better design, workflow optimization, & more.
January 11, 2026
![7 Best Practices for Responsive Websites [With Examples] | TestMu AI (Formerly LambdaTest)](https://assets.testmuai.com/resources/uploads/2024/03/7-Tips-for-Responsive-Websites-Best-Practice-1200px.png)
Automation
7 Best Practices for Responsive Websites [With Examples] | TestMu AI (Formerly LambdaTest)Discover top tips for Responsive Websites Best Practices for a smooth user experience on any device. Examples and expert advice to optimize your web design.
February 11, 2026

Software Testing
Top differences in Web Browsers While TestingWhen it comes to a web application, before it goes into production, the developer must make sure that it works properly in all browsers. The end user should be able to experience a fully functional site that is able to handle all critical functionalities irrespective of the browser or device used by the end user. The behavior of an application is different in different operating systems, browsers and even devices based on their resolution.
January 11, 2026

Automation
Mistakes Made by Web Developers & how to avoid themEver-since the introduction of World Wide Web in 1990, the domain of web development has evolved dynamically from web pages to web applications. End users no longer browse web pages for reading static content. Websites now have dynamic features to increase their engagement rate.
January 11, 2026

Automation
Debugging JavaScript Using Developer ConsoleLast month while we were researching about cross browser compatibility issues in JavaScript, we found with an overwhelming consensus, that no matter how perfect the code is, JavaScript errors will always be there. In earlier times, errors were inspected using console.log or alert ().
January 11, 2026

Automation
Mastering Debugging Mobile Browser in ChromeUnlock the secrets of debugging mobile browser in Chrome with expert techniques and optimize your web development workflow for mobile devices.
January 11, 2026

Automation
Cross Browser Compatible WebApps With ModernizrThis article is for developers who are not that much comfortable in using JavaScript, but are comfortable in using HTML and CSS for web development. There is an incredible open source JavaScript library called Modernizr that can efficiently solve challenges faced in cross browser web development.
January 11, 2026

Software Testing
Manual Testing vs Automation TestingThe most arduously debated topic in software testing industry is What is better, Manual testing or Automation testing. Although Automation testing is most talked about buzzword, and is slowly dominating the testing domain, importance of manual testing cannot be ignored
January 11, 2026

Software Testing
Strategies for Cross Browser Testing of a Web AppCross browser testing has become an important job to perform before deploying a developed website, to ensure that the developed site runs properly in all browsers in different devices and operating systems. This post will focus on certain strategies that will make cross browser testing much easier and efficient.
January 11, 2026

Automation
Eight Non Technical Skills For Software DevelopmentNontechnical Skills are acknowledged as interactive skills. It comprises of communication skills, skills for teamwork, and decision-making skills. It is not like those technical skills, but can be a compliment to those to make them more efficient and effective.
January 11, 2026

Software Testing
Testing That all the Beginner Should Know AboutAt one time, testing was probably the most ignored career choice in the IT industry. However, with advanced project methodologies like Agile and DevOps and organizations focusing more on maintaining and improving the quality of their applications, testing has become a great career choice.
January 11, 2026

Software Testing
E2E Testing Tutorial: A Complete Guide to End to End TestingE2E Testing, aka End to end testing, is a very common testing methodology where the objective is to test how an application works by checking the flow from start to end.
January 11, 2026

Automation
Guide to Set Up Your Local Web Development Environment | TestMu AI (Formerly LambdaTest)Having the perfect web development environment set up is the dream of every User Interface developer. Having a local environment enables the developers to work remotely on their client’s webpage from anywhere around the world.
January 11, 2026

Automation
How Do Browsers Work?Explore how browsers work behind the scenes delving into their core components and the rendering process that builds and displays web pages.
January 11, 2026

Automation
Why Every QA Should Participate In Code Review?Code review should not only involve developers but QAs and product managers too. Here we look into the code review best practices, ways & objective of the same.
January 11, 2026

Selenium
How Do You Calculate Your Test Automation ROI With Selenium? | TestMu AI (Formerly LambdaTest)Let’s discuss the metrics to evaluate test automation ROI with Selenium, best practices, and test automation ROI calculation techniques for automated cross browser testing.
January 31, 2026

Software Testing
How Parallel Testing Improves Your Workflow?Discover how parallel testing instantly improves your workflow by running tests simultaneously across browsers and devices, boosting speed, efficiency, and release quality.
January 11, 2026

Software Testing
How to get started with Load Testing? | TestMu AI (Formerly LambdaTest)We have all been in situations while using a software or a web application, everything is running too slow. You click a button and nothing is happening except
January 11, 2026

Software Testing
How to Test a Microservice Architecture Application | TestMu AI (Formerly LambdaTest)Learn effective techniques to test microservice architecture applications. From unit testing to integration and end-to-end scenarios, ensure robustness and scalability.
January 11, 2026

Software Testing
How To Test A Multiscreen Behaviour Of An Application | TestMu AI (Formerly LambdaTest)In present times, people use multiple devices to perform their day to day activities, be it booking a flight ticket, or watching a show on Netflix or buying stuff online, the corresponding portals are accessed from desktop, mobile devices as well as tablets.
January 11, 2026

Software Testing
Virtual Machines for Cross Browser TestingWorking in IT, we have often heard the term Virtual Machines. Developers working on client machines have used VMs to do the necessary stuffs at the client machines. Virtual machines are an environment or an operating system which when installed on a workstation, simulates an actual hardware.
January 11, 2026

Software Testing
Importance of a Test Management ToolThe age we live in demands for RAD(Rapid Application Development) models where testing provides a sense of relief by delivering a sound quality check. From noting down the test scenarios and developing respective test cases, to collecting the test results and sharing them with the team.
January 11, 2026
![13 JavaScript Testing Best Practices You Should Know [2026] | TestMu AI (Formerly LambdaTest)](https://assets.testmuai.com/resources/uploads/2024/02/13-Best-Practices-In-JavaScript-Testing-You-Must-Know-1200px.png)
Software Testing
13 JavaScript Testing Best Practices You Should Know [2026] | TestMu AI (Formerly LambdaTest)The best 13 JavaScript testing practices that will help you come up with scalable and reliable automated test scenarios. Take your JavaScript Testing to next level.
February 8, 2026

Software Testing
LifeCycle Of A Testing Bug | TestMu AI (Formerly LambdaTest)A software bug is an error or fault in a computer program making it behave in unexpected ways. Bugs can be present at any stage during SDLC (Software development LifeCycle), or at the designing phase, development phase, user acceptance testing phase or even by the user.
January 11, 2026

Software Testing
Testing Strategies for bug free deployment of Mobile AppsThe job of a quality analyst is not at all easy. They are often disliked by developers, since no one likes someone telling them that their code has a bug. But the job of a QA is quite interesting and very important in the software development life cycle.
January 11, 2026

Software Testing
Metrics & Challenges For Testing Streaming Applications In 2019Streaming applications are trending more than ever, but testing streaming applications could be very tricky. This article would help you do it the right way.
January 30, 2026

Automation
Modern CSS Techniques For Older CSS Problems | TestMu AI (Formerly LambdaTest)In this advanced CSS tutorial, you will learn about the modern CSS techniques to overcome the older CSS problems and spruce up your entire web designing workflow.
January 13, 2026

Automation
How To Overcome AngularJS Browser Compatibility Hurdles | TestMu AI (Formerly LambdaTest)Ensure cross-browser compatibility for a better user experience. Overcome AngularJS browser compatibility issues by testing on multiple browsers.
January 12, 2026

Automation
List of 21 Top React Component Libraries for 2026 | TestMu AI (Formerly LambdaTest)Explore the 21 top React component libraries for building user interfaces in 2026. Find out which of these libraries are best for your project from the guide.
February 8, 2026

Software Testing
Regression Testing for Mobile Applications: A Comprehensive GuideExplore the key components and techniques using effective regression testing for mobile applications. Use expert guidance and tools to ensure consistency in reliability and quality.
January 11, 2026

Software Testing
What is Verification and Validation in Software Testing? | TestMu AI (Formerly LambdaTest)This article will present a detailed difference between verification vs validation in software testing with examples around cross browser testing.
January 11, 2026

Software Testing
Testing Single-Page AngularJS Applications: Best PracticesLearn best practices for testing single-page AngularJS applications. Explore techniques, tools, and strategies for efficient testing and bug-free deployments.
January 30, 2026

Software Testing
Check Out the Testing Trends to Look Out for in 2019 | TestMu AI (Formerly LambdaTest)Adoption of DevOps and Agile has been one of the biggest trends to be seen in 2017 in the testing domain. A rising trend in the domain of automation testing is leading to more systems being developed in every minute. With the development of information technology, the testing domain is also changing.
January 11, 2026

Automation
Testing Cross Browser Compatible Web App using JoomlaSince a website’s visitor base consists of people using different browsers, no specific browser cannot be left out. So in the following article, we shall deep dive into creating a website using Joomla, one of the most used free CMS after wordpress, allowing developers to create and manage a website dynamically
January 11, 2026

Automation
Top 18 Free CSS3 Resources to build a websiteNowadays when it comes to web design, clients expect a product that is perfect in every manner whether we refer to design, usability, responsiveness as well as speed. Many new features came into the world of developers along with the introduction to CSS3 to aid them with web designing.
January 11, 2026

Software Testing
Top 9 JavaScript Testing Frameworks | TestMu AI (Formerly LambdaTest)Learn about the top 9 JavaScript testing frameworks and choose the best suited frameworks depending on your project requirements.
February 11, 2026

Automation
13 Top Mistakes Committed By Angular JavaScript DevelopersLearn the top mistakes committed by angular Javascript developers when developing web applications.
January 12, 2026
![Top 5 Mistakes to Avoid in Responsive Web Design [2026]](https://assets.testmuai.com/resources/uploads/2018/10/Top-Mistakes-to-Avoid-in-Responsive-Web-Design-480px.png)
Automation
Top 5 Mistakes to Avoid in Responsive Web Design [2026]Avoid the top mistakes in responsive web design that hurt your website ranking and user experience. Learn key fixes for media, navigation, and more.
February 8, 2026
![Top 13 QA Manager Skills You Should Have [2026] | TestMu AI (Formerly LambdaTest)](https://assets.testmuai.com/resources/uploads/2024/03/13-Skills-of-A-Good-QA-Manager-1200px-1.png)
Automation
Top 13 QA Manager Skills You Should Have [2026] | TestMu AI (Formerly LambdaTest)Discover the top 13 QA manager skills that blend technical and non-technical traits, helping you lead teams effectively and ensure quality in Agile development.
February 8, 2026

Software Testing
Top 17 Software Testing Blogs For 2026A curated list of software testing blogs that deliver wisdom along with fun to keep you up-to-date on recent trends in the testing domain.
February 8, 2026

Automation
Top UI Design Mistakes That Leads to Failure of Your WebsiteFix top UI design mistakes and ensure cross-browser compatibility to improve search rankings and drive audience growth.
February 3, 2026
![48 Best Web Development Tools For [2026] | TestMu AI (Formerly LambdaTest)](https://assets.testmuai.com/resources/uploads/2024/03/Best-49-Web-Development-Tools-Of-All-Time-1.png)
Automation
48 Best Web Development Tools For [2026] | TestMu AI (Formerly LambdaTest)Looking for web development tools? To help you find the best tools for web development, we've compiled a list of the best 49 tools with unique features.
February 8, 2026

Software Testing
What I Learned While Moving From Waterfall To Agile Testing? | TestMu AI (Formerly LambdaTest)Moving from Waterfall to Agile Testing could be very challenging but a lesson worth learning. Here is what I learned as a tester throughout my transition!
January 11, 2026

Automation
What is Continuous Integration and Continuous Delivery (CI/CD)?Explore CI/CD fundamentals, differences, best practices & tools in this deep dive into Continuous Integration and Continuous Delivery.
January 11, 2026

Automation
What Is JavaScript Doing On Your Page? | TestMu AI (Formerly LambdaTest)With the increasing popularity of JavaScript, organizations are using JavaScript to support their application stack in many levels – back-end, front-end, embedded devices, hybrid applications, etc. In this article we shall take a deep dive into JavaScript and find out how it actually works.
January 11, 2026

Selenium
What To Expect From The Latest Version Of Selenium 4?Selenium 4 alpha was made live on 28 April 2019. Here, we will talk about everything new in Alpha release & what to expect in the latest Selenium version.
January 31, 2026

Software Testing
Why Android Application Testing is Important?Till the 2nd quarter of 2018, Android based smartphones cover almost 88% of the total usage share in the market. Since buggy and slow apps have no use and end users will not think twice before uninstalling them.
January 11, 2026

Automation
Why Information Architecture In UX Process Is A Necessity? | TestMu AI (Formerly LambdaTest)Information architecture for UX is the science of structuring contents. Here we will touch some principles, values, myths, and keys for an efficient IA.
January 11, 2026

Software Testing
9 Reasons Why Manual Testing Is Going To Prevail The Industry? | TestMu AI (Formerly LambdaTest)Testers care about the software same as developers. The end result of both of them working together is an enjoyable bug free application. The value of manual testing can never be underestimated, and there are some reasons for which manual testing is still prevailing.
January 11, 2026

Automation
Why Regression Defects Are Important For Your Next Release?Here are some key points for you to be aware of what regression defects are! How you can discover and handle regression defects for a successful release.
January 11, 2026

Software Testing
Why you need to understand Test Management Strategy?In Agile age, effective test management strategy is followed to fast-track testing in a flawless manner, resulting in timely delivery of the product.
January 30, 2026

Automation
Will ReactJS Continue To Dominate In 2019? | TestMu AI (Formerly LambdaTest)React JS has turning the tables on other javascript framework in 2018. Are you intrigued to know whether React JS will continue to dominate in 2019 as well?
January 30, 2026