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By far, I am sure we have all witnessed an increase in the usage of mobile web browsers. According to StatCounter, there has been a noticeable incline in mobile and tablet users. By April 2014, 30% of web traffic was incoming through mobile users and the percentage has been elevating ever since.
Harshit Paul
January 30, 2026
This article is a part of our Content Hub. For more in-depth resources, check out our content hub on Mobile Testing Tutorial.
By far, I am sure we have all witnessed an increase in the usage of mobile web browsers. According to StatCounter, there has been a noticeable incline in mobile and tablet users. By April 2014, 30% of web traffic was incoming through mobile users and the percentage has been elevating ever since.
In today’s competitive world where digital discovery is being more mobile centric, responsiveness comes as a requisite.
InVision quoted in one of their blog:
With great audience comes great responsibility, this is true when we talk about quality assurance. Although mobile website testing is not a new topic, and you will find it as a staple of all QA checklists.
A method of allowing your web pages to render through multiple devices or screen sizes without compromising the overall functionality. Devices could be a tablet, desktop, notebook or a smartphone. TestMu AI as a provides you an effective way of testing responsiveness of any website through various screen sizes.
Here is what you need to consider:
Remember, speed is the key! If users won’t get that from your website then it won’t take them long to rush to your competitors
Validate your HTML and CSS issues with the help of Chrome Developer tools.
Cross Browser Compatibility – Flex, JavaScript, Applets, AJAX requests, Flash and many more client side components may behave differently on different web browsers with respect to their rendering engines. The process of testing whether website works consistently without any dependencies in feature delivery on various browsers through different OS is termed as Cross Browser Testing. Follow our blog on performing cross browser testing through TestMu AI.
Device Testing Labs/Clouds – These labs are a collection of real mobile devices, providing you a diverse mobile device testing experience. Once you test on real devices then you know for certain that your product is working as intended. However, maintaining such a library of mobile devices requires a heavy investment. For Instance, AWS Device Farm is offering 3 levels of pricing:
Start your real device farm testing today.
You may refer to this blog to know more about Device Testing Clouds.
What if you are not interested in paid options? Well, then it is time for you to turn from Device Testing Labs to Emulators and Simulators.
Android Emulator and iOS Simulator – They include default web browsers for figuring a valuable approximation regarding your website’s performance and appearance. You can’t have exact statistics related to page loading time or performance under real network scenario. Other than that they are a pretty viable to mobile testing. You can perform both Mobile Emulator Testing and Mobile Simulator Testing for free at TestMu AI without being hassled by the thought of setting up VM’s or worrying about licences. You can also go for responsive design checker such as LT Browser to check mobile view of website

In this detailed walkthrough of LT Browser tutorial video, we will help you get started with LT Browser.
On July 09, 2018, Google Webmaster updated the mobile search ranking using page loading speed. They stated:
Well if you aim to increase the responsive of your website, the page loading time is bound to increase as well. Because of the multiplication of assets included to facilitate a better UI and UX. How to cope up with them?
merges Server Side Components with the Responsive web layouts. This method is not intended to focus on a full page optimization, it dynamically loads the content in accordance to the specific device on which the website is being rendered upon. So if you are using a mobile phone with smaller screen resolution, then you don’t need a full size desktop image where you have to scroll your way to the desired content.
Prioritize on eradicating knows issues to ease user convenience. Also, make sure to Regression test after every deployment. Follow our blog on Regression Testing strategies of mobile web pages.
Finding issues and bug logging is tedious but crucial. TestMu AI being cloud driven product provides you integrations with multiple platforms for hastening release process:
That just about sums up the basics of mobile website testing. Now you know why we should test mobile websites and how? What you also know is that TestMu AI is an all-in-one stop for it. Become an insider and test for yourself. Happy Testing!
On a side note you can refer to our article on how to check screen resolution on Android if you wish to debug screen resolution issue.
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