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Load and Performance Testing

Are you prepared for traffic peaks? Make sure that your digital product performs perfectly, even when handling a large number of users.



Generate load using the Crowd – with the help of tools such as JMeter


Ensure that your UI is suitable for its intended market


Get consumer feedback on performance


Ensure user retention by keeping loading times short


Leverage Load and Performance Testing to bring the quality of your digital products to the next level!


What is Load and Performance Testing?

There are some non-functional requirements that are crucial for the user experience such as performance and stability. A load and performance test is one of many webpage tests in the field of Quality Assurance. It helps you test the performance of your digital product when it’s under high load. Performance testing should ideally happen before load testing since load tests usually won’t run smoothly if the performance isn’t up to par.

A high level of performance is a necessity. Poorly running systems can lead to significant consequences for any company. Tests are essential to ensure that your software is able to handle a large amount of users. But what exactly is the difference between load and performance?

Load vs. Performance Testing

What is Load Testing?

During a load test, you find out how your website, app, or any other digital product behaves when a lot of users try to access it at the same time. In your particular test, you can focus on specific parts, for example the checkout process.

A load test is normally performed before the release of a product, or before a traffic-heavy event like Black Friday or a big TV commercial where a lot of traffic is expected to follow.

What is Performance Testing?

In a website performance test, the performance of the server, database, and network of a digital product is checked. The response time of your website is especially important and is an area where you quickly might discover bottlenecks.

It’s helpful to test the performance of your digital product regularly to make sure code changes don’t have a negative impact.


The Challenge: users are highly sensitive when it comes to loading time

Site speed is one of the most important metrics when it comes to digital products, in general but especially for online shops. Not only will users abandon your site and visit your competitors’ shops – they’re only a few clicks away after all – a slow site speed will also have a negative impact on your reputation and your brand.

When optimizing software, functionality and usability are often the main focus. As websites and apps are meant to be flawless and easy to use, there are other non-functional requirements that might get swept under the rug, such as performance and stability. Website or app loading times need to be as short as possible and when it comes to minimizing the frustration and disappointment of users, every millisecond counts. Unfortunately, even when software has been successfully tested for load and reaction times in a lab environment, various issues still remain unaddressed. For example: How does the system perform in real-world conditions or when using different network providers? What happens if thousands of users want to access the software simultaneously?

The Solution: generate load and get feedback on performance

With our Crowd, consisting of more than 500,000 testers with over 1,000,000 devices, we can create the load for your load and performance test. We rely on testers with different network providers who can create an enormous traffic load. By using the load testing tool JMeter, the results tend to be extremely close to reality. Other than the analysis of various indicators in the backend, testers have performance testing tools such as FireBirds that are used to track KPIs. Furthermore, you can choose to learn more about the individual tester’s experiences with load times through questionnaires. Load and performance testing with Testbirds provides backend analysis and gives qualitative feedback from all the individual crowdtesters participating in the test.


Landal GreenParks

How Landal GreenParks uses testing to optimise the guest experience
“Working with Testbirds led to us professionalising our testing process, as it forced us to critically examine our own testing structure. It definitely made our organisation more mature in that respect. Furthermore, crowdtesting has proven to be efficient. We can start testing on a Monday and see the results on Tuesday. It’s a powerful addition to our development process.”
Lieven Swinnen, Manager e-Business, Landal GreenParks



Solution Consultant QA & UX

Do you have questions about Load and Performance Testing? Would you like to have more information on how we can help you make your digital products even better? Just send us a message, one of our Solution Consultants will be happy to get in touch with you.


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