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Web Application and Website Testing Services

For 35 years, ScienceSoft has been providing thorough functional, integration, compatibility, performance, and security testing of web solutions with diverse tech and architectural complexity.

Web testing - ScienceSoft
Web testing - ScienceSoft

Web testing services aim to validate the solutions’ smooth functioning, proper render in target environments, stability, security, and robust data sharing with integrated systems. ScienceSoft provides full-cycle testing activities: from test strategy and plan design to test cases’ development and execution to ensure optimal test coverage and high quality of your web solution.

Why ScienceSoft?

  • 35 years in software testing and 22 years in QA consulting.
  • ISTQB certified testing professionals.
  • ISO 9001-certified quality management system.
  • ISO 27001 proven security of entrusted customer information.
  • A full-time team of 75+ testing engineers.
  • 25 years in web development.
  • Industry-specific expertise across multiple domains, including healthcare, banking, financial services, and insurance, retail, manufacturing, telecoms, and more.
  • ScienceSoft is a 3-Year Champion in The Americas’ Fastest-Growing Companies Rating by the Financial Times.

What We Test

Web applications

We detect front-end and back-end drawbacks in web applications of all types (e.g., web portals, SaaS apps, enterprise solutions like ERP, CRM, SCM, HR, etc.). Our ultimate goal is to help you get better user adoption and quick return on investments.


With website testing services, we estimate the user-friendliness of your website, check how it performs its functions and stands heavy traffic loads and security threats.

Web Testing Services We Offer

Usability testing

Our team checks how convenient your web application, website or portal is for end users, identifies usability issues and advises on improvements to help you deliver a product that answers your target audience usability expectations to the fullest.

Functional testing

We check if your web application works according to all technology and business requirements and report on identified issues.

We test if your web solution works under any planned load, reveal stress, load, scalability and reliability issues in your solution.

Compatibility testing

We identify if your website or web app flawlessly works in various environments: for example, on different devices (laptops, tablets, mobile devices and so on), across different operating systems, in different browsers, and so on.

We ensure that your web solution works according to the standards of the industry you operate in (HIPAA, GAMP, PCI DSS, and more).

Web security testing

With 21 years in information security, we conduct source code review and penetration testing. Simulating a hacking attack and analyzing your web solution behavior in such conditions, we help you address security vulnerabilities as early as possible.

Web testing automation

Our web testing specialists ensure high quality and improved performance of your web solution with our best practices in testing automation. We automate functional, regression and performance testing with keyword-driven and data-driven approaches.

Accessibility testing

ScienceSoft’s test engineers validate your website or web app against WCAG 2.1 and ADA standards or any other set of accessibility requirements to ensure that users with disabilities can easily handle it.

Our Web Testing Projects

How We Work


Analyzing project requirements


Planning the process and selecting the tools


Preparing test cases




Analyzing and reporting test results

We give our customers the opportunity to control each testing stage and get a detailed view of our activities. Also, our specialists are flexible and can follow the workflow you offer.

Project Challenges We Address

Changing project requirements

We are ready to quickly adapt to the changes in your project regardless of the project stage and help you keep up with your timeframes, budget and clients’ expectations.

The lack of effective collaboration in a project team

We establish productive cooperation with all project participants to ensure a smooth and effective workflow, solve project-related issues faster or even avoid them.

High requirements to testers’ domain knowledge

Our testing professionals have profound expertise across multiple domains including healthcare, banking, retail, manufacturing, and more to timely identify and eliminate industry-specific pitfalls in every project we participate in.

The lack of cross-browser compatibility

As soon as your target audience is likely to use your web solution in different browsers across different operating systems (each having the specifics to display UI elements and perform commands), we test your web solution in various environments. It helps us to prevent the unexpected behavior of your web solution and ensure wider user adoption.

Entrust Your Web Solution’s Quality to Experts!

With 730+ successful testing projects, ScienceSoft’s testing professionals can promptly organize a web testing project (within 3 weeks) and ensure testing transparency providing regular test execution reports and a comprehensive testing summary report.