Introduction to load testing with Apache JMeter

Test results

Load testing allows you to simulate multiple users interacting with your application. This allows you to experiment with a real-world load on your application and understand its behavior under different levels of stress.

Tracy Lee Web Performance webinar image

Web performance webinar with Tracy Lee

We kicked off this year with a webinar presentation on improving web application performance by Tracy Lee. Continue reading for the highlights and an overview of the presentation or watch the full recording on Youtube.   A big Thank You to Tracy Lee for holding this webinar!  Who is Tracy Lee? ...
Vaadin Dev Day Online 2020

Vaadin Dev Day videos now available

The latest edition of the Vaadin Dev Day training was held online this year. The event sold-out in only two days after the official announcement with 300 hundred sign ups. It included three live technical talks focused on web development with Vaadin. If you missed it, you can watch the three ...

Testing the UI without a browser

Martin Fowler has introduced a metaphor Test Pyramid, to suggest that you should only write a fraction of end-to-end tests compared to small unit tests. It is not because end-to-end tests, like the ones using Vaadin TestBench or Selenium, are worse. They are actually better as they test all parts ...

Performance testing in Vaadin apps

Website speed and responsiveness are two of the primary quality requirements in Web projects, as they have direct impact on revenue, both positive and negative. Although Vaadin is a great open-source web framework for developing rich internet applications, it is no secret that testing the ...

Vaadin Scalability Study - QuickTickets

“Does it scale?” This is one of the most common questions we get after one figures out how Vaadin works. Vaadin runs all UI logic on the server-side and user interaction in the client-side UI results in a large number of request-response round trips to the server. Clearly that cannot scale, right? ...