Web Application and Website Testing Services

Web application testing services to ensure top
performance and user experience

We test functional and non-functional aspects of web solutions to guarantee
the top-notch security and stability on any device and browser.

Hire Us

Manual and Automated Web App Testing Tailored for Every Project

Your web app deserves more than a basic check. QAwerk’s team blends manual and automated testing to spot defects, boost performance, and secure your product. This is what sets our web application testing company apart.​​
Whether you need comprehensive web application testing services, targeted website QA testing services, or robust end-to-end user experience validation, we tailor our process to your needs. We work across all major browsers and platforms, conducting functionality, compatibility, interface, and API tests to meet modern development standards. Trust QAwerk as your web application testing company to enhance customer satisfaction and consistently deliver secure, high-performing applications.
With Web App Testing Without Web App Testing Reliable app performance User-disrupting bugs Fewer user complaints Frequent crashes and errors Confident launches Missed security flaws Stronger security and trust Growing reputation damage

Our Web Application Testing Services

Web Functional Testing

Our web application testing company delivers functional testing to validate all features, keep links working, and ensure front-end and back-end integration. Reliable core functionalities help launch your web app with confidence.

Web Usability Testing

As part of our website QA testing service, usability testing fixes design flaws, finds user challenges, and makes your app more intuitive. Get higher conversions and better customer experience with expert-driven website testing services.

Web Interface Testing

QAwerk’s web application testing services validate APIs, integrations, and third-party apps. Interface testing ensures smooth communication, bug detection, and top performance for your customers on every browser and device.

Web Compatibility Testing

Our website testing services include compatibility testing across browsers and platforms. Through manual and automated methods, your app gets robust cross-browser support and reliable, consistent user experience everywhere.

Web Performance Testing

QAwerk’s web application testing services deliver performance testing to optimize speed, stability, and scalability. Your app stays responsive and robust under pressure, excelling in demanding markets.

Web Security Testing

Our web application testing company handles security testing, finding vulnerabilities and delivering solutions. Early integration of security testing and penetration testing protects your app, data, and users, maintaining business reputation and compliance.

Selected Cases

ClickHouse

ClickHouse

United States
Help maintain weekly releases and reliably deliver updates to Microsoft, IBM, and other top-tier clients
Elsewhen

Elsewhen

United Kingdom
Helped this B2B tech consultancy launch a redesigned, fully polished website in under 30 days, boosting mobile engagement by 20%
Keystone

Keystone

Norway
Helped Norway’s #1 study portal improve 8 of their content-heavy websites, which are used by 110 million students annually
ICONOMI

ICONOMI

United Kingdom
Optimized the web and mobile onboarding flow for a crypto asset management platform, reducing user drop-off by 15%
Penpot

Penpot

Spain
Helped this open-source & prototyping platform successfully go from beta to official release, now reaching over 250K users
Escuela Coaching

Escuela Coaching

Spain
Helped thoroughly test online coaching platform and get ready for global launch in 30 days
Kazidomi

Kazidomi

Belgium
Helped platform speed up feature delivery with test automation and become #1 startup in Belgium
Evolv

Evolv

United States
Increased this digital growth platform’s regression-testing speed by 50%, and ensured the platform runs optimally 24/7

Looking for a reliable web application testing company?

Contact Us

Specialized Web App Testing Services

Website Testing Services for International Clients

Website Testing Services for International Clients

If you need a remote quality assurance team to work on your website or web application, QAwerk is the right place to hire dedicated specialists. Opting for our website testing services, you choose professionals that deliver top-notch solutions only.

Automated Web Application Testing

Automated Web Application Testing

Many projects cannot be tested without automated web app testing provided. It is essential for increasing the efficiency and coverage of software testing, which also helps to save time and money on preparing and conducting further testing. QAwerk test automation specialists will help you with that.

Manual Web Application Testing

Manual Web Application Testing

QAwerk team provides first-rate quality web application manual testing services for your web application. Our QA engineers will thoroughly pass through your app screens, trying various usage scenarios and input combinations, comparing the app behavior with expected results.

Have a web app to test

Take an unbiased look at your web app!

Let our experienced testers evaluate the quality of your website or web app from a different perspective. Sign up for our Bug Crawl program and test your app for free. Getting a second opinion is always a good idea!

Why Choose Us as Your Web Application Testing Company?

Comprehensive Web App Testing

We deliver end-to-end web application testing services focused on bug detection, functionality, and security, ensuring every feature, API, and integration works for all your customers on any device.

Cross-Browser & Compatibility

QAwerk’s web app testing services include extensive cross-browser, platform, and device checks. We make sure your application is responsive, fully compatible, and free from lapses in performance or design.

User Experience & Usability

Optimizing user experience is central to every website testing project. Through targeted usability testing, we uncover pain points, strengthen conversions, and deliver insights that help your app delight real users.

Performance, Load & Security

Our QA team handles performance testing, stress testing, and security assessments, evaluating your app’s reliability under real traffic conditions. Penetration and vulnerability checks provide peace of mind before release.

Manual & Automated Approaches

By combining manual QA expertise with advanced automated testing, we maximize test coverage and speed, streamlining releases without missing critical risks.

Dedicated QA Team Advantage

Choose a dedicated QA team to support your business. Gain a flexible, domain-savvy partner ready to maintain, monitor, and continuously enhance your online quality assurance process for ongoing growth and innovation.

As we started seeing fewer bugs, as we started seeing smoother processes, we could really start having fun conversations with our university partners. And we also saw a good, healthy, organic traffic on our sites. And that definitely made all our cross-functional team members super happy as well.
star star star star star
With the help of QAwerk we’ve really managed to reduce the number of bugs in production builds to almost zero.
star star star star star
I would recommend QAwerk for many reasons but I think two stand out - the quick seamless onboarding experience, this is absolutely key for a team that is outsourcing something so critical as QA. But also the smart use of different communication channels - they were used effectively, with respect, with a really thoughtful mindset.
star star star star star

External Web Application Testing Cost and Factors

Scope & Features

The breadth of your web app — the number of user flows, APIs, connected systems, or integrations — influences how much web app testing effort is required.

QA Team Experience

QA Team Experience: Partnering with a skilled, dedicated QA team with proven software and app testing experience can reduce costs and improve quality by enabling faster, more thorough bug detection.

Complexity

Custom business logic, third-party integrations, and legacy tech stacks can increase testing complexity, needing deeper quality assurance and specialist expertise.​

Urgency and Retesting

Tight deadlines or requests for post-fix retesting can shift the pricing and project timelines for web application testing services.

Testing Types Needed

Manual testing, automated test coverage, advanced security, end-to-end, and cross-browser checks all impact price. Penetration, performance, and compatibility testing may also add to the overall effort.

Reporting & Process

The detailed level of test documentation, result reporting, and whether you need actionable recommendations or compliance-ready materials may influence package cost.​

Other Services We Offer

Game Testing

Our QA engineers thoroughly test gameplay, mechanics, and user experience across platforms, ensuring bug-free, immersive gaming.

Localization Testing

We review language, formatting, and cultural aspects to confirm your software feels natural and functions perfectly for every market and locale.

Regression Testing

We perform comprehensive regression tests to catch new issues after updates, keeping your software stable and reliable throughout its lifecycle.

Blockchain Testing

Our experts audit smart contracts, validate transactions, and verify security to ensure your blockchain applications are robust and fraud-resistant.

LLM Testing

We rigorously evaluate large language models for accuracy, bias, and safety to optimize AI reliability in high-stakes applications.

AI-Based Testing

Combining AI-powered tools with manual expertise, we accelerate bug detection, improve test coverage, and enhance overall software quality.

FAQ

What are web application testing services?

They are services that check all aspects of a web app, such as functionality, security, compatibility, and user experience, before release.​

Why do businesses need website testing services?

Testing prevents bugs, improves security, ensures the site works on all devices, and delivers a smooth user experience.​

Why choose QAwerk for web application testing?

QAwerk offers thorough testing, tailored processes, real results, and supports efficient product launches.​​

Do you also provide web app and website QA testing services?

Yes, both web app and website QA testing services are included, covering all critical features and requirements.​​

What types of testing are included in your web application QA process?

Our process covers functional, performance, usability, security, compatibility, and API testing for comprehensive quality assurance.

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300+

PROJECTS
TESTED

30+

SENIOR QA ENGINEERS

95%

OF BUGS FOUND
BEFORE RELEASE

310,000+

HOURS INVESTED
IN QA