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Service Details

Usability Testing Services

Web Brain InfoTech is a UX research and design agency based in Delhi, India, running usability testing for websites, mobile apps, SaaS platforms, and prototypes across India and international markets including the USA, UK, Canada, Australia, and UAE. We watch real users attempt real tasks, then show you exactly where they struggle and what to fix first.

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Usability Testing Services In India
About Usability Testing

Usability Testing Agency India

Usability testing is a UX research method in which representative users complete realistic tasks on a product or prototype while observers record success, errors, time taken, and comments, to reveal usability problems before or after launch.

Web Brain InfoTech — Usability Testing Agency, Delhi, India. Serving clients worldwide.

Usability Basics

What Is Usability Testing?

Usability testing measures how easily people can use a product to achieve their goals. Participants perform defined tasks, such as signing up, finding a product, or completing checkout, while a researcher observes behavior without leading them.

It focuses on behavior over opinion: what users do matters more than what they say they would do.

What Is Usability Testing
Benefits

Why Does Usability Testing Matter?

Design teams know their product too well to see it as a newcomer does. Testing exposes the gaps. It helps you:

Find problems early

Fix issues in prototypes before development costs rise.

Improve conversion

Remove friction from forms, navigation, and checkout.

Reduce support requests

Clearer interfaces generate fewer questions.

Validate design decisions

Settle debates with observed evidence.

Build user confidence

Products that are easy to use earn trust and repeat use.

Testing Types

What Are the Main Types of Usability Testing?

TypeHow It WorksBest For
Moderated testingA researcher guides the session live and asks follow-up questionsComplex flows and deep understanding
Unmoderated testingParticipants complete tasks alone, recorded by a platformFast, larger-scale results at lower cost
Remote testingSessions run online across locationsGeographically spread audiences
In-person testingSessions run face to face in a lab or on sitePhysical products and close observation
Guerrilla testingQuick, informal tests with passersbyEarly, low-cost feedback on concepts
Benchmark testingRepeated tests with the same metrics over timeTracking improvement across versions
Comparative testingTwo or more designs tested against each otherChoosing between design options

We recommend the format based on your stage, budget, and questions.

Scope

What Can Be Tested?

Live websites and web applications
Mobile apps

On iOS and Android.

Clickable prototypes

Built in Figma, before any code exists.

Wireframes and early concepts
Checkout, sign-up, and onboarding flows
Navigation and information architecture
Dashboards and admin panels
Forms, error messages, and microcopy
Accessibility

With assistive technology.

Methods

What Methods and Techniques Do You Use?

Think-aloud protocol

Participants speak their thoughts while completing tasks.

Task-based scenarios

Realistic goals without hints about where to click.

First-click testing

Checking whether users start in the right place.

Tree testing and card sorting

Validating navigation and labels.

A/B and preference testing

Comparing variants.

Post-task and post-test questionnaires

Capturing satisfaction ratings.

Eye-tracking or heatmap analysis

Where available and relevant.

Metrics

Which Metrics Do You Report?

Task success rate

The share of users who finish each task.

Time on task

How long each task takes.

Error rate

Wrong clicks, dead ends, and recoveries.

System Usability Scale (SUS)

A 10-question score from 0 to 100, widely benchmarked against an average of roughly 68.

Single Ease Question (SEQ)

A quick rating of how easy each task felt.

Customer Effort Score (CES) and CSAT

Effort and satisfaction ratings.

Severity ratings

Each issue ranked by how seriously it blocks users.

Prioritization

How Do You Rate and Prioritize Usability Issues?

We rank each finding so your team knows where to start. Ratings combine:

1. Frequency

How many participants hit the problem.

2. Impact

Whether it blocks, slows, or only annoys.

3. Persistence

Whether users overcome it after the first encounter.

4. Business risk

Effect on conversion, retention, or trust.

Issues are grouped as critical, serious, moderate, or minor, each paired with a specific recommendation.

How Many Participants Are Needed For Usability Testing
Sample Size

How Many Participants Do You Need?

For qualitative usability testing, a round of about 5 participants per user segment typically surfaces most of the major problems. Running several small rounds, with fixes between them, tends to work better than one large test. Quantitative or benchmark studies need larger samples to produce stable numbers.

We set sample size according to your user segments, goals, and risk level.

Accessibility

Do You Test for Accessibility?

Yes. Accessibility testing checks whether people with disabilities can use your product. We combine:

WCAG 2.2 checks

Contrast, focus order, labels, and target size.

Screen reader testing

NVDA, JAWS, VoiceOver, and TalkBack.

Keyboard-only navigation

Full operation without a mouse.

Zoom and text-resize checks
Sessions with participants who use assistive technology

When included in scope.

An accessibility review does not replace formal legal compliance advice.

Recruitment & Privacy

How Do You Recruit Participants and Protect Their Data?

1. Screen for the right users — matching behaviors, experience, and demographics

2. Recruit from your customers or external panels

3. Collect informed consent — before recording sessions

4. Limit access to recordings and anonymize findings in reports

5. Follow privacy rules — including India’s DPDP Act, 2023, and GDPR for EU participants

This is guidance, not legal advice. Confirm requirements for your situation with legal counsel.

Participant Recruitment And Data Privacy In Usability Testing
Tech Stack

Which Tools Do You Use?

Maze, UserTesting, and Lookback

Remote moderated and unmoderated sessions.

Figma prototypes

Interactive designs for early testing.

Optimal Workshop

Tree testing and card sorting.

Hotjar and Microsoft Clarity

Session recordings and heatmaps.

Zoom and Google Meet

Moderated remote sessions.

BrowserStack

Cross-device and cross-browser checks.

Google Analytics (GA4)

Behavior data to support findings.

Usability Testing For International Clients
Global Reach

Do You Provide Usability Testing for International Clients?

Yes. While Web Brain InfoTech is based in Delhi, India, we run usability tests for product teams across North America, Europe, Australia, and the Middle East, alongside local clients across Delhi NCR, Mumbai, Bangalore, and Gurugram.

We schedule remote sessions across time zones, recruit participants who match your target market, and can test in multiple languages, including right-to-left (RTL) interfaces for Arabic-speaking users.

Our Process

What Does the Usability Testing Process Look Like?

1. Goals and scope

What you need to learn and which flows matter most.

2. Test plan

Participants, tasks, scenarios, and metrics.

3. Prototype or product setup

Preparing what will be tested.

4. Recruitment and scheduling
5. Pilot session

Checking tasks and tools before the real sessions.

6. Test sessions

Moderated or unmoderated, with recordings and notes.

7. Analysis

Coding observations, calculating metrics, and rating issues.

8. Report and workshop

Findings, video highlights, and prioritized fixes.

9. Retest

Verifying that changes solved the problems.

Timeline

How Long Does Usability Testing Take?

Timelines depend on format and recruitment:

Unmoderated test on a single flow

Typically 1–2 weeks.

Moderated round with 5–8 participants

Typically 2–3 weeks.

Multi-segment or multi-country study

Typically 4–6 weeks.

Benchmark program with repeat rounds

Scheduled across release cycles.

We confirm a timeline once the test plan is agreed.

FAQ

Usability Testing FAQs

Everything you need to know about our Usability Testing Services.

Usability testing is one UX research method, focused on watching users complete tasks. UX research is the wider field and also includes interviews, surveys, analytics, and field studies.

Yes. Testing a clickable Figma prototype is one of the most cost-effective ways to find problems before building.

In moderated testing, a researcher guides the session and asks follow-up questions. In unmoderated testing, participants work alone and a platform records the session, which is faster and cheaper but offers less depth.

For qualitative testing, about five users per user segment usually reveals the major issues. Quantitative studies need larger samples.

Yes. Deliverables typically include a findings report with severity ratings, highlight clips, and prioritized recommendations.

Yes. We test live products, staging versions, and prototypes across devices.

Yes. We serve teams across the US, UK, Canada, Australia, and the Middle East, as well as clients across India.

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