Usability testing is a method of evaluating how easy and intuitive a web app is for the end users. It involves observing and collecting feedback from real or potential users who perform specific tasks on the web app, such as navigating, searching, filling forms, or making purchases. Usability testing can help web developers and designers identify and fix usability issues, improve user satisfaction and retention, and increase conversions and revenue.

However, conducting usability testing is not as simple as asking a few people to use your web app and tell you what they think. There are many factors that can affect the quality and validity of your usability testing results, such as the design of the test, the selection of the participants, the analysis of the data, and the implementation of the recommendations. Therefore, it is important to follow some best practices and tips to ensure that your usability testing is effective and useful.

Usability testing web-app

Tips for conducting effective usability testing on your web app

  1. Define your goals and objectives: Before you start your usability testing, you should have a clear idea of what you want to achieve and measure. What are the main features or functions of your web app that you want to test? What are the key performance indicators (KPIs) that you want to track? What are the success criteria or benchmarks that you want to compare against? Having specific and measurable goals and objectives will help you design your test scenarios, select your participants, and evaluate your results.

2. Choose your methods and tools: There are different methods and tools that you can use for usability testing, depending on your goals, budget, time, and resources. Some of the common methods are:

Remote vs. in-person:

Remote usability testing involves conducting the test online or over the phone, while in-person usability testing involves conducting the test in a physical location, such as a lab or an office. Remote usability testing can save time and money, reach a wider and more diverse audience, and simulate real-world conditions. In-person usability testing can provide more direct and detailed feedback, observe non-verbal cues and body language, and control the environment and equipment.

Usability testing
Usability testing

Moderated vs. unmoderated:

Moderated usability testing involves having a facilitator or a moderator who guides the participants through the test tasks, asks questions, and provides assistance. Unmoderated usability testing involves having no facilitator or moderator who interacts with the participants during the test. Moderated usability testing can elicit more insights and explanations, probe deeper into issues, and clarify ambiguities. Unmoderated usability testing can reduce bias and influence, increase naturalness and spontaneity, and scale up easily.

Qualitative vs. quantitative:

Qualitative usability testing involves collecting rich and descriptive data from a small number of participants, such as opinions, feelings, preferences, motivations, and behaviors. Quantitative usability testing involves collecting numerical and statistical data from a large number of participants, such as time, errors, clicks, ratings, and conversions. Qualitative usability testing can reveal why users behave or feel a certain way, uncover hidden needs or problems, and generate new ideas or solutions. Quantitative usability testing can measure how well users perform or respond to a certain feature or function, validate hypotheses or assumptions, and compare alternatives or benchmarks.

Usability testing

Common tools use for usability testing

Screen recording software:

This tool allows you to record the screen activity, audio, and webcam of the participants as they use your web app. This can help you capture what users see, say, and do during the test. Some examples of screen recording software are Loom, Screencast-O-Matic, and Camtasia.

Usability testing
Usability testing

Survey software:

This tool allows you to create and distribute online surveys to collect feedback from the participants before, during, or after the test. This can help you gather demographic information, satisfaction ratings, preferences, opinions, and suggestions. Some examples of survey software are SurveyMonkey, Google Forms, and Typeform.

Analytics software:

This tool allows you to track and analyze the behavior and performance of the participants as they use your web app. This can help you measure metrics such as time, errors, clicks, scrolls, heatmaps, funnels, and conversions. Some examples of analytics software are Google Analytics, Hotjar, and Mixpanel.

Usability testing

Recruit your participants:

The quality of your usability testing results depends largely on the quality of your participants. You should recruit participants who represent your target audience or user persona, who have relevant experience or knowledge of your web app’s domain or industry, who have different levels of familiarity or proficiency with your web app or similar apps, who have diverse backgrounds and characteristics, such as age, gender, location, education, and occupation, and who are willing and able to provide honest and constructive feedback. You should also recruit enough participants to ensure the validity and reliability of your data, but not too many to avoid wasting time and money. A general rule of thumb is to recruit at least 5 participants for qualitative usability testing and at least 20 participants for quantitative usability testing.

Design your test scenarios:

A test scenario is a realistic and specific situation or task that you ask the participants to complete using your web app. A test scenario should have a clear goal, a starting point, a set of steps or actions, and an expected outcome. A test scenario should also be relevant, meaningful, and challenging for the participants, but not too easy or too hard. You should design test scenarios that cover the main features or functions of your web app that you want to test, that reflect the common or critical use cases or user journeys of your web app, that simulate the real-world context or environment of your web app, and that vary in complexity and difficulty. You should also design test scenarios that are consistent, concise, and unbiased.

Conduct your usability testing:

Once you have prepared your methods, tools, participants, and test scenarios, you are ready to conduct your usability testing. Depending on the type of usability testing you are conducting, you may need to do some or all of the following steps:

Schedule and invite the participants: You should schedule the usability testing sessions at a convenient time and date for the participants, and send them an invitation email with the details of the test, such as the purpose, duration, compensation, instructions, and consent form.

Set up and test the equipment: You should set up and test the equipment that you and the participants will use during the test, such as the web app, the screen recording software, the survey software, the analytics software, the microphone, the webcam, the internet connection, etc.

Welcome and brief the participants: You should welcome the participants warmly and thank them for their participation. You should also brief them about the purpose and process of the test, explain their rights and responsibilities, answer any questions they may have, and ask them to sign a consent form.

Guide and observe the participants:

You should guide the participants through the test scenarios, asking them to think aloud as they use your web app, and observe their behavior and reactions. You should also ask them questions to probe deeper into their thoughts and feelings, and provide assistance if they encounter difficulties. However, you should avoid influencing or leading the participants with your words or actions.

Collect and analyze the data:

You should collect the data from the screen recordings, the surveys, the analytics, and your notes. You should also analyze the data to identify patterns, trends, insights, and issues. You should look for answers to your goals and objectives, and measure your KPIs and success criteria.

Report and implement the findings:

You should report the findings of your usability testing in a clear, concise, and actionable way. You should highlight the strengths and weaknesses of your web app, the opportunities and threats for improvement, and the recommendations and solutions for fixing usability issues. You should also implement the findings by making changes or updates to your web app, testing them again, and measuring their impact


I hope these tips will help you conduct effective usability testing on your web app. Usability testing is a valuable method of ensuring that your web app meets the needs and expectations of your users. By following these tips, you can improve the usability of your web app, enhance user satisfaction and retention, and increase conversions and revenue. Good luck!