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Post By Admin Last Updated At 2021-08-04
Responsive web design testing strategy with Selenium

Every person in this globe watches different things like images, videos, podcasts, etc. on daily basis. Mostly, he wants to do so at his fingertips in the current era with the increase of internet service. Today every person uses mobile devices, smartphones, tablets, etc. with access to the internet. It is quite popular nowadays, and every internet user desires a mobile view of any website that he's looking for. This is where the term Responsive Web Design comes in that helps to respond to websites on all types of screens, platforms, etc. 

Responsive web design is an approach that is useful to design websites to give a complete user experience to users. Irrespective of the device that a user use, responsive web design helps to fit the information into the screen size, orientation, or dimensions. Through this, a user gets a consistent web browsing experience.

Moreover, there are many websites with less optimization for mobile devices or small screen sizes. Hence, the testers should perform the responsive test on the RWD.

Here, Selenium is most useful in responsive web design testing with automation. Selenium is the best-known automation web testing tool with global web testers. This is useful for testing with automation for standard and responsive websites.

Today, with the increase in the number of mobile devices across the globe rapidly, it has become difficult for testers and web designers. The need is that the web app should render each web page exactly as per device and its dimension. But the problem arises with the performance of testing of these web pages. 

Responsive web design

Hence, I am going to explain to you about Responsive Web Design testing using Selenium and its importance in this blog.

What is responsive web design?

Before you know further, you should know what is responsive web design. The responsive web design approach makes it possible to view different types of information on different devices. It makes the view compatible with the device that a user uses. 

Those days are gone when we had to zoom in and out of our mobile devices for viewing any website information. With the intro of responsive web design, it became easier to view the websites hassle-free.

Moreover, this is a concept that is useful to visualize website data across various devices seamlessly. It enables the data shown on the website to fit the different screen sizes, irrespective of the device we use. This is especially applicable for mobile phones that the current generation uses very frequently. 

Further, every website or webpage has certain images, visuals, content, and menu options. The way they are placed in the layout of the website, we can set the limits to display the content on the screen resolutions accordingly.  

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Besides, the responsive design approach also eliminates the need to design code for each device. Here, a tester needs to conduct some responsive checks that include the following:

  • Check that all pages of the website load correctly on all the devices?
  • Do the text and images placed on the page aligned with the devices’ dimensions?
  • Images and their sizes intact properly?
  • Is there any error in JavaScript?
  • Whether bugs are present due to the variation in screen size/orientation?
  • Straightforward navigation is working?

Hence, these are the important points to check within the RWD approach. 

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Basics of Responsive Web Design

Let us dig deeper regarding the basic idea behind the design of Responsive web design. The major reason to design a responsive website is to scale up and down the viewing or display layout as per the device screen. Also, it makes it easier to test the responsive website with the adjustments done to the website according to the screen resolutions. 

Hence, the layout or viewport on the website is the webpage area that we view on the screen. It shows the content of the webpage rather than any other things like the menu bar, toolbar, etc. 

Here are the fundamental elements that make the website turn into a Responsive Web Design.


We know that every website has some pages that contain some text written on the page. It needs to be adjusted as per the screen resolution of the device. The text size may vary according to the screen resolution, which needs to manage, and by keeping the ratios intact, we can give the best user experience to the users viewing the webpage. 

Menu Bar

There are some common functionalities of any website like the menu bar and other tabs of the website. Every website designer includes these things on the website while designing. But these long-tail menus are easy to select and use on the desktop, but the challenge comes with mobile devices. They need to adjust the menus and tabs to display the page on mobile devices for a better user experience. Responsive Web Design provides the easiest way to view and choose various web pages with collapsible menu options. 


Today, every webpage is bound to have some images and videos between the text content. It helps to keep the audience engaged and makes the webpage attractive. Designers also follow the respective ratios of the images and videos display on the screen. They keep the aspect ratio of the videos, considering the screen orientation, and do settings accordingly. Similarly, they do so for the images also that display on the device screens. Thus, responsive web design also puts focus on the media of the webpage.

Web Design Layout of the Website

This is the most crucial part of every website that web design layout should be well planned. Designers make the plan in mind before designing a web layout that displays how the content of the page looks like. Moreover, they design the layout of web pages according to the devices and screen resolutions. Individual grids within the web layout make it easy to move them while optimizing content for smaller screens. 

Responsive web design testing

I hope you got the basic idea of how an RWD works in real. Now you will come to know how responsive web design testing is conducted to provide high-quality standards on the websites. 

RWD testing across devices should expand to every element and component of the website to get the best result. Getting a reliable and smart Responsive Web Design testing tool is also very helpful in testing different components easily. 

Moreover, RWD testing includes different components and elements. Such as images, text optimization, validating visuals, and their elements, etc. All these play a crucial part in the testing to give a better user experience. Hence, the following points should be considered while conducting web design tests. 

  • We need to ensure that the content style and alignment are proper and displayed on the screen consistently. Therefore, the tester should keep an eye on the text ratios that ensure text style and alignment is consistent across the devices and platforms. 
  • Ensure that the images and videos are visible clearly according to the aspect ratios of the device's screen. They should be optimized consistently on the different sizes of the device. This should not overlap the ratio and give a seamless visual experience. 
  • Also, make sure that menu bars are collapsible and fit to the smaller screens for the users to navigate easily throughout the website. By conducting tests on different devices and cross browsers on real devices with running different configurations will help us to resolve various visual issues that may occur. 
  • Moreover, the tester should also ensure that web design should be optimized for different screens like mobiles, tablets, etc. So that the content should be adjusted accordingly. This should be perfectly alright to give the users the best visual experience.
Responsive web design testing with Selenium automation

Since RWD requires websites to be responsive, and test across browsers and systems. Here, the cross-browser compatibility testing will ensure that we can test websites throughout different browsers easily. 

Hence, Selenium is the de-facto and an effective test automation tool for testing responsive websites. It helps in testing with some compatibility browsers across different devices with ease. Selenium is the best automation testing tool for responsive web pages.

Furthermore, there are some other tools available for this like Applitools useful for visual validations, Galen test framework for validating size differences for responsive websites, etc. However, Galen runs well on the Selenium Grid and is easy to set up to run test cases on the Continuous testing clouds.

Thus, we can say that Selenium helps in the automation testing of web pages in this RWD testing process well. The tool comes with different components and is useful in running tests cross-browser. This makes the tool much popular in testing web pages keeping their aspect ratio intact.

Since the Responsive Web Design testing uses this tool, makes it more responsive towards giving better UX.

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Responsive testing checklist

The RWD test plan should include the following parameters:

  • Visual validation
  • Quality analysis
  • Accessibility
  • Environment-based testing like screen size, device type, etc.
  • Test performance
  • Cross-browser testing

These parameters should be considered in the web design testing with responsiveness. So that they give better UX for various viewers. They help to assess the website’s responsive design to the viewer’s action. It provides the user required information on their screens with easy to view orientation. Automation testing is the newest testing process in this era of fast learning and development. Thus, making an error-free digital world is the purpose of this testing.


I hope you received enough information regarding the Responsive Web Design testing. To scale up the website across different devices and screens varying in sizes for the content displayed is effective through RWD. Therefore, the process of testing the website responsive design is more effective with the automation process, which is a key component too. It scales up the process of responsive testing and releases quality websites. These quality websites run across browsers and digital devices without any hassle and seamlessly. 

To learn more about automation testing and Selenium automation, just go through the demo with ITGuru’s Selenium Online Training platform. Learn automation web testing with real-time experience and expert guidance to update the existing skills.