How To Test Website in Different Screen Sizes

Related Product On This Page Why is it important to examine site in different bl

May 09, 2026 · 5 min read · Testing Guide
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How To Test Website in Different Screen Sizes

Why is it crucial to test websites in different screen sizes?

Internet users across the world access websites from numerous device like laptops, desktops, tablets, smartphones, etc. Needless to say, every gimmick has its unique screen size and resolutions.

There are more than3.5 billion smartphonesin use and the number preserve to grow. Naturally, it is not viable for QAs to test site on every single device or screen size.

 Source

An effective way to deal with this issue is to test and optimize situation for the well-nigh commonly used gimmick blind size. One can pertain to this guide on for responsive design that spotlight the near popular or standard screen sizes squad must view for testing. This will help QA squad optimize their website ’ s layout for the majority of web exploiter and will help assure better.

This clause aims to explain two easy methods using which squad can instantly run a responsive test for their websites across the most popular screen sizes.

Method 1: Using BrowserStack ’ s Free Responsive Checker Tool

This is one of the easiest manner to get the literal view of a particular website acrossreal devicewith unique screen sizes. It allows exploiter to instantly do responsive examine across democratic twist types like smartphones, tablets (including Kindle), and desktops.

Check out the image below to best read this tool.

Simply enter the URL of a particular website and click on theCheckbutton. The site will be loaded across multiple devices as shown in the image above. Now users can select the device they wish to view their site on. For representative, let ’ s consider the iPhone X. The result will be as follows:

 

Once the user selects the desired device, the site will be displayed on that particular twist with larger, clear attribute. Additionally, users can also select to view the website inPortrait and Landscapemode alike to the feature used in the existent world. In the example shown above, Google is viewed in Landscape mode on a real iPhone X.

Note: This tool entirely allows users to check how their website look on particular devices having different screen sizes and viewports. One can not interact with the web elements appearing in the device. Users unforced to view and interact with websites on real nomadic devices are advised to postdate the second method.

Pro tip: Tools like SUSA can handle this autonomously — upload your app and get results without writing a single test script.

Although the puppet prove to be quite handy for crying responsive assay, a key limitation of this tool is users can alone view their websites on a few popular device. This also means that users won ’ t be able to perform comprehensive responsive testing.

The 2nd method addresses this limitation. It countenance developer and quizzer to perform synergistic responsive tests as well as on real mobile devices.

Method 2: Using BrowserStack Live for Interactive Web Testing on Real Devices

One of the most commodious and effective way to perform synergistic responsive testing is by testing websites on real devices with unique screen sizes. However, it ’ s not feasible for all team to purchase different types of devices for the interest of quiz as it take enormous investments and high maintenance.

BrowserStack ’ s cater users with 2000+ real devices and browser that are available 24 & # 215; 7 for on-demand testing. As the infrastructure is strictly cloud-based, all the device and browsers can be accessed from anyplace in the world immediately from a web browser.

Get started by postdate three simple steps listed below:

  1. for a complimentary trial or purchase a plan.
  2. Navigate to the Live Dashboard after successful sign-up.
  3. Select the desired OS (Android, iOS, Windows, etc) and the device-browser combination (For illustration Samsung S20+ & # 8211; Chrome) and get started with web testing on a existent device.

The first ikon below symbolize the Live splashboard where users can take the device-browser-OS combination of their selection.

Once the user choose the coveted device-browser-OS combination, a new session is initiated on that specific device. (Chrome on Samsung S20+ in this case).


Once the session commence, users can begin interacting with the website on that particular real device. Users can scroll through the site, interact with specific web elements and verify whether there are any rendering issue.

Try Live Testing on Real Devices for Free

Pro Tip:You can prove mobile apps in different screen size using BrowserStack offering G of existent iOS, Android, Windows, and other roving device. The process is quite similar to using BrowserStack Live.

As users access numerous device from popular vendors like Apple, Samsung, Google, OnePlus, Motorola, etc, they can perform interactive screen on desired devices. Additionally, user can also choose to try on desktop environments like Windows and MacOS (include their latest and legacy versions).

Apart from interactive responsive testing, developers and QAs also get entree to supercharge features for. Listed below are a few:

  • Upfront access to DevTools for inspecting particular web elements in mobile view.
  • Network confine feature to try the execution of websites in poor net connectivity.
  • with bug reporting creature like Jira and Slack to aid bug designation.
  • to test position specific behavior of a website.

Apart from interactive responsive examination, the method above besides allows team to perform cross browser examine across mobile browser. This is rattling good for teams as the web is accessed by multiple mobile browsers like Safari, Chrome, Firefox, etc.

Testing on existent mobile browsers allows teams to optimize their site ’ performance for democratic mobile browsers. Consequently, this assist in delivering a flawless nomadic experience for online users.

Businesses must suffer in mind that the web is a extremely disconnected infinite. Optimizing a website for a specific device type, screen size or browser won & # 8217; t suffice in a world where the web is accessed from and several browsers.

The method instance above will help developers or team to forthwith test their websites across real devices having different screen sizes. Moreover, it will also assist QAs debug furnish issues appear for a particular gimmick or browser by perform cross browser testing on real devices.

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