What Is Performance Testing?

Performance testing involves examining the responsiveness, speed and stability of an application, and ensures that a computer, device, network, or software application performs as expected while under specific workload conditions. A strong performance testing strategy includes tests that evaluate the reliability, processing speed, data transfer rate, throughput and network bandwidth.

What Is Performance Testing?

QASource’s Performance Testing Services

QASource’s performance testing experts have experience completing all types of performance testing and always create a custom approach for each of our clients. Below are a few of the most common performance testing services we provide our clients.

Load Testing

Stress Testing

Scalability Testing

Configuration Testing

Soak Testing

Capacity testing

Resilience Testing

Volume Testing

Endurance Testing

Spike Testing

Select the Most Appropriate Performance Testing Tools

Our team of performance testing experts ensures each of our clients select the testing tools and tech stack that complement their software development lifecycle, team structure and testing needs. Our QA engineers are all tool agnostic and prepared to use whichever tools are best for the overall project. A few common tools our team uses for performance testing are:

Check out a Recent Performance Testing Case Study


One of our clients offers enterprise legal matter management solutions and was experiencing business requirements shifting regularly according to their customers’ demands, requiring our client to adopt an agile workflow and an entirely new way of thinking about testing and collaboration across development and QA.


Our team of testing experts took a three pronged approach to make sure that our client’s application performs as expected. The approach included strategy planning so we could adapt to their agile process and create a comprehensive performance testing plan. We then identified and prioritized all of the business-critical workflows to ensure thorough testing took place and developed scripts for testing their prioritized scenarios. These scripts were then integrated with our CI tool for automatic test execution and report generation.


In the end, our client experienced significant cost savings across several areas, including hardware and testing tool expenses, human resources and change management by identifying performance defects and architectural issues early on by offering greater visibility into overall and specific scenario performance.

Why Partner With QASource?

  • Nearshore, offshore or hybrid outsourcing options.
  • A dedicated team of QA experts familiar with your specific industry and testing needs.
  • Access to state of the art testing facilities, test labs and tools.
  • A team well versed in specific industry rules, regulations and laws.
  • Access to an advanced technology group constantly improving our Automation, Database, DevOps, Dev, and IT capabilities.
  • Non-billable engineering leadership and US customer support.

Are You Ready to Take Your Software to the Next Level?
Schedule Time to Speak With an Expert.

Speak with One of Our Performance Testing Specialists to Learn How we can Help your Team:

Performance Testing Specialists

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