Usability testing is a black box testing technique. Usability testing is done with the user’s point of view. It is a technique deployed in user-centered interaction design to evaluate a product or service by testing it with representative users. On the web, usability is the most important and necessary condition for survival. If the site is difficult to use, users will not use it anymore. If the page content or details are difficult to read or understand, others will also leave the page. So usability testing plays an important role in evaluating how easy the user interface is to use.

Watching: What is Usability

Check availability

The purpose of testing is to recognize any usability issues, collect qualitative and quantitative data, and establish participants’ completion with the product.

Usability testing is an essential element of quality assurance. It is a measure of a product’s potential to accomplish a user’s goal. Usability testing is a method whereby users of a product are asked to perform certain tasks in an attempt to measure ease of use, time spent, and user perception of the user experience. experience. This view as a unique usability practice because it provides direct input on how users are actually using the system. Usability testing measures products that are usable by humans to fulfill user intent. Items that benefit from usability testing are websites or web applications, documents, desktop interfaces, consumer products, and devices. Usability testing deals with the usability of a particular object or group of objects, where universal human-computer interaction studies attempt to formulate universal principles.

Available features such as “Look and Feel” cannot be measured at all times because they are subjective in nature. In usability testing mainly testing the ease of use of the user interface. Tester can test user-friendly or unfriendly applications or products. Usability testing is a real test of how people actually use a website and determines whether users are comfortable with other apps or websites according to various parameters like; flow, browsing and layout, speed and content.

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The usability checklist is divided into three sections Accessibility, Navigation, and Content.

Part I: Accessibility

Check the actual loading time of the web page.Check for contrastCheck if the font size and text spacing is readable.Check if the site has a 404 page or a Not Found page any custom design. Check if the appropriate ALT tags are added to the image.

Part II: Navigation

Check that the website navigation is easily recognized by users.Check that the navigation options are easy to understand.Check that the number of buttons/links is reasonableCheck that the company Logo is linked to the Home page Check that the link style is consistent across all pages and is easy to understand.

Part III: Contents

Check if the URL is meaningful and user-friendly Check if the HTML page title is explanatory Check if Important content is above the fold Check for emphasized characters (bold, etc.) used sparingly Check that the main copy is concise and well explained Check that the main headings are clear and descriptive Check that Styles & Colors are consistent

Main benefits of usability testing:

Reduce development costs and redesign increases user satisfaction.Helps identify real user requirements and tasks ahead of time in the design process.Analysis of device strengths and weaknesses Design your website.Limit graphics with design functionality.Increase user productivity, reduce costs.Increase revenue due to satisfied customers.Save time and avoid user errors.Delivery better quality software for end users or customers.Software will be easy to understand and use by end users or customers.Software is more accepted by users.Shorten research learning process for new user.

Advantages of usability testing:

Usability testing finds critical application bugs that are hard to find during development. Using the correct resources, usability testing can assist in troubleshooting any issues a user encounters. before releasing the application. Usability testing can be modified as required to support other types of testing like functional testing, system integration testing, unit testing, etc. Usability testing plans become very economical, very successful and profitable. Potential problems and problems are highlighted before the product is released. launch.

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Liability of usability testing:

The planning and data collection process is time consuming. It is always confusing as to why there are availability problems. Its small size and simplicity make it unreliable to draw conclusions about subjective user preferences. It’s hard to create the right context. You cannot test long-term experience. Unscanned social connections cannot be copied. People act differently when they know they are being watched.

usability test objective

The objective of this test is to satisfy the user and it mainly focuses on the following parameters of a system:

System efficiency

Is the system easy to learn? Is the system useful and adds value to the target audience? Is the content, colors, icons, images used aesthetically pleasing?


Required navigation to reach desired screen/website should be less. Regular scrollbars are not recommended.Consistency in screen/page format in your app/website.Provided for searching in your software application or website


No outdated or incorrect data such as contact information/addresses. No broken links.

User friendly

The control used should be self-explanatory and requires no training to work.Help should be provided for users to understand the application/website Aligning with the above targets for effective usability testing

usability testing process

The usability testing process includes the following stages

Planning: – During this phase, the goal of the usability test is determined. Having volunteers sit in front of your app and record their actions is not the goal. You need to define the important functions and goals of the system. You need to assign tasks to your testers, which perform these important functions. During this phase, usability testing method, number & demographics of usability testers, test report formats are also defined

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Recruitment: In this phase, you recruit desired number of testers according to your usability testing plan. Finding testers that match your demographic (age, gender, etc.) and professional profile (education, work, etc.) can take time.

Usability testing: In this phase, usability tests are executed.

Data Analysis: Data from usability tests is thoroughly analyzed to find meaningful inferences and make actionable recommendations to improve the overall usability of the product. your product.

Reporting: The results of the usability test are shared with all relevant stakeholders which may include designers, developers, customers, and CEOs.

Method of testing usability

There are two methods for usability testing –

Usability testing in the labRemote usability testing

Usability testing in the laboratory:. This test is conducted in a separate laboratory in the presence of observers. Testers are assigned the task of execution. The role of the observer is to monitor the tester’s behavior and report the test results. The observer remained silent during the test. In this test, both the observer and the experimenter are present at the same physical location.

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Remote Usability Testing: According to test observers, this test is located remotely. The tester accesses the System under test, remotely and performs the assigned tasks. Voice, screen activity, tester’s facial expression are recorded by automated software. Observers analyze this data and report the results of the experiment


Usability testing is an art and a science. Have you ever worked on usability testing? What is your experience testing these apps? Please share your experience.