Selenium Testing Made Easy: Online Tools for Mobile Website Testing

As the demand for user-friendly websites and web applications continues to rise, confirming their performance, functionality, and appearance across diverse mobile devices becomes supreme. This is where selenium web automation tools play a pivotal role. Mobile web automation through Selenium involves testing websites or web apps on real-time mobile devices like iOS and Android.

Contrasting testing on simulators or emulators and running tests on real-world devices gives an accurate picture of how the end users communicate with your app. This encompasses testing the mobile website interface’s usability, functionality, and responsiveness. In this article, we will explore the significance of online platforms in streamlining mobile website testing and discover how these tools can make Selenium tests for mobile websites a breeze!

Significance of Mobile Website Testing

Mobile devices come in multiple screen sizes, resolutions, and OSs, making it tricky and challenging to form a consistent user experience across every device. Mobile website testing assists in detecting glitches related to usability, responsiveness, and performance, confirming that users have a smooth experience despite the device they use. It also validates the websites and app’s functionality on mobile browsers, ensuring they function as intended and meet user expectations.

Core Challenges in Mobile Website Testing

Testing mobile websites poses exceptional challenges compared to desktop testing. Let us take a glance at some of the main challenges:

  1. Network Variability: Mobile devices often operate at diverse network speeds and in different situations, influencing the site’s performance and loading times.
  2. Device Fragmentation: With an extensive suite of devices obtainable in the market, testing across multiple gadgets and screen sizes is crucial but time-consuming.
  3. Touch Interactions: Testing touch gestures, swipes, and other mobile-centric interactions necessitates specialized frameworks & tools.
  4. Cross-Browser Compatibility: Guaranteeing compatibility across multiple mobile browsers such as Google Chrome, Mozilla Firefox, Safari, and MS Edge adds intricacy to test efforts.

Leveraging Selenium: Easy Tool for Mobile Website Testing

Selenium is a robust open-source automated testing tool extensively used for testing web apps/ websites. Its WebDriver component enables QA Engineers to interact with web components, simulate the end-user actions, and implement test scripts across diverse platforms and browsers. Regarding mobile web tests, Selenium can be leveraged with online platforms to improve testing competencies and efficiency. One such platform is LambdaTest.

LambdaTest is an AI-powered test orchestration and execution platform that lets you run manual and automated tests at scale with over 3000+ real devices, browsers, and OS combinations.

This platform incorporates Selenium into mobile website testing. It offers real-time testing on browsers, mobile devices, and operating systems. With this platform, QA Specialists can run responsive testing, cross-browser testing, and visual regression testing for mobile sites.

Which tools are appropriate for mobile website testing?

The primary Selenium automation testing tool appropriate for mobile website testing is Selenium WebDriver. It offers APIs and libraries in several programming languages, such as Python, Java, C#, etc., to communicate with web components on mobile browsers. Besides, Appium is another well-known tool that extends Selenium’s competencies specifically for mobile tests, allowing QA Engineers to automate native, hybrid, and mobile web apps across iOS and Android platforms.

Here’s a brief outline of these Selenium tools for mobile website tests:

  1. Selenium WebDriver:
  • It is the core Selenium tool utilized to automate web browsers. It offers techniques to communicate with web components on desktop & mobile browsers.
  • WebDriver enables QA testers to write test scripts in programming languages like Python, Java, C#, Ruby, etc., making it versatile for varied development environments.
  • To run mobile web testing with Selenium WebDriver, you must set the desired competencies to specify the mobile device, browser name, platform version, and other parameters in your testing scripts.
  1. Appium:
  • It is an open-source automated testing tool precisely designed for mobile testing. It uses WebDriver protocol to automate Android, iOS, and Windows mobile apps.
  • With Appium, QAS specialists can write test scripts in the same programming languages aided by Selenium WebDriver, making it simple to transition from web to mobile tests.
  • Appium supports mobile web tests by enabling mobile browsers (e.g., Google Chrome Safari) to interact with devices or simulators/ emulators and components like Selenium WebDriver.

Selenium WebDriver and Appium are widely used and highly effective tools for mobile website testing. The preference between them sometimes depends on factors like the precise needs of your testing project, the programming language choice of your team, and the necessity for native app testing in addition to mobile website testing.

What are the prerequisites for Selenium testing on mobile devices?

To run Selenium testing on mobile gadgets, you need to have the following:

  • Selenium WebDriver library is installed in your selected programming language (e.g., Python or Java).
  • Mobile browsers (e.g., Safari, Chrome) are installed on the testing devices.
  • WebDriver executables are precise for mobile browsers (e.g., Chromedriver, Safari Driver) and are accessible in your testing environment.
  • In your test scripts, desired capabilities are configured for mobile tests, including browser name, platform version, device name, etc.

Performing mobile web automation on real-time devices through the Selenium language

Running mobile web automation using Selenium on real devices can be accomplished with the blend of Selenium WebDriver and a cloud-powered test platform like LambdaTest. Let’s check the step-by-step guide on how to do it:

  1. Setting Up Your Environment: Ensure you have Python installed on your machine. You will also need to install Selenium WebDriver and any required drivers for the browsers you aim to test on.
  2. Installed Selenium WebDriver: If you have not installed Selenium WebDriver, you can sort out so using pip:

pip install selenium

  1. Import Crucial Libraries: In your Python script, import the compulsory Selenium modules

from selenium import webdriver

  1. Setting-Up Selenium WebDriver: Prepare the Selenium WebDriver with the desired competencies for the mobile device, operating system, and browser you wish to test. Here’s an instance for Chrome on Android:

For instance, if you want to test Chrome on Android, you must configure the WebDriver accordingly. This includes specifying the device name, platform name, browser name, and dditional settings required for seamless testing on the desired mobile platform. Each configuration is unique to the test environment and ensures accurate and effective automation testing.

Navigate to Your Web App: Make use of the get() technique for navigating your app:


Interact with Components: Utilize Selenium’s functionality to find components using different methods like ID, XPath, class name, etc. Once identified, perform various actions such as entering inputs, clicking buttons, asserting, etc. This approach ensures thorough web application functionality and behavior testing across different scenarios and user interactions.

  1. Implement Your Tests: Run your Python script to implement mobile web automation testing on real-world devices. The tests will communicate with the particular device, browser, and Operating System configurations, offering real-time test outputs.
  2. Capture Screenshots (Optional): You can capture screenshots during your test implementation to check the behavior of your web app visually on diverse devices:


  1. Close the Browser: Once your testing is over, close the browser to clean up resources:


You can run practical mobile web automated tests on real-time devices by following the above steps and leveraging Selenium WebDriver with Python.

Advantages of Using Online Tools for Mobile Website Testing

  • Parallel Testing: Cloud-centric platforms support parallel testing, enabling QA testers to run various tests simultaneously across diverse devices and browsers, decreasing test implementation time.
  • Device Coverage: Online tools proffer a broad range of real-world devices for testing, confirming comprehensive device coverage and perfect results.
  • Real-time Testing: QA Engineers can run real-time testing on real devices, emulating real-time user behaviors and conditions for accurate test outputs.
  • Automation Support: Online tools incorporate smoothly with Selenium WebDriver, allowing automated mobile web tests for speedy feedback and enhanced efficiency.
  • Collaboration: Cloud-powered platforms facilitate teamwork among team members by providing shared test reports, test environments, and collaboration tools.

What are the best practices for the Selenium test on mobile devices?

  1. Use Real Devices: Conduct testing on real-time mobile devices rather than simulators or emulators whenever possible. Real devices offer highly accurate outcomes and help determine device-specific issues.
  2. Responsive Design Test: Testing the responsiveness of your sites across multiple screen sizes & directions. Use Selenium to simulate diverse device resolutions and orientations for complete testing.
  3. Optimize Test Scripts: Write effectual & optimized test scripts to confirm faster implementation and excellent performance on mobile devices. Avoid extra actions or assertions that can slow down the testing process.
  4. Use Suitable Wait Times: Mobile devices and networks can have variable response times. Utilize explicit waits (WebDriverWait in Selenium) to manage synchronization issues and confirm that elements are loaded before communicating with them.
  5. Handle Mobile Gestures: Selenium offers techniques to simulate mobile gestures such as swiping, tapping, pinching, etc. Use these gestures in your testing to accurately simulate the end-user interactions.
  6. Utilize Mobile-centric Locators: Utilize mobile-centric locators such as resource IDs (Android) and accessibility IDs (iOS) to detect components on mobile applications or websites. Such locators are more efficient and reliable for mobile testing.
  7. Test across Diverse Browsers and Versions: Mobile browsers have diverse versions and behaviors similar to desktop browsers. They are testing your site on popular mobile browsers such as Chrome, Safari, Firefox, and MS Edge across multiple versions to certify compatibility.
  8. Clear Cache and Cookies: Before executing testing, make sure that the mobile browser’s cache & cookies are cleared to avoid any interference with testing outcomes.
  9. Parallel Testing: Leverage Selenium Grid or cloud-powered test platforms such as LambdaTest to run testing in parallel across multiple browsers and devices. Parallel testing enhances test coverage and decreases overall test implementation time.
  10. Frequent Updates and Maintenance: Keep your browsers, test scripts, and Selenium WebDriver versions updated. Regularly review and manage your test suite to fix any changes in the app or test environment.


Mobile website testing is crucial for delivering a smooth user experience across mobile devices. By uniting the power of Selenium with online testing tools like LambdaTest, QA Engineers can streamline mobile web test workflows, enhance test coverage, and ensure the performance and quality of their websites/ web applications. These tools proffer a complete suite of features, including parallel testing, real device testing, automation support, and collaboration competencies, making Selenium testing for mobile websites efficient, simpler, and more effective.

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