Vaadin Blog
Top 25 Vaadin add-ons of 2020
The Vaadin Directory serves as a marketplace for add-ons and web components for your Vaadin applications. It’s a community-driven effort that includes integrations of other components, modifications to existing Vaadin components, or creations of additional features from scratch that are maintained ...
Performance testing a Vaadin application: Part 4 Gatling
Gatling is a free, open-source performance testing tool. It was first released 2012 and has since gained in popularity. In addition to its free tools, Gatling offers a wide range of (commercial) professional services. Gatling is mainly implemented with the Scala programming language (as opposed to ...
Submitting a PWA to Google Play Store using Bubblewrap
This tutorial shows how you build and submit your progressive web application (PWA) to the Google Play Store. We use the PWA from our Modern Web App tutorial series as an example and wrap it as a Trusted Web Activity (TWA) using the Bubblewrap CLI by Google Chrome Labs. You can find more details ...
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CGI automated routine tasks in social and health care
ITTE is a self-service solution for health and social care. The solution enhances and automates customer registration throughout the customer journey and provides information and guidance. The solution automates the routine tasks of professionals, allowing them to focus more on their core tasks. ...
Vaadin online training courses and certifications are now free
To end 2020 on a positive note, we are happy to announce a free gift for all Vaadin developers. We are unlocking all our online training courses and certification exams, and making them available for everybody for free. All registered users of our website can now access our previously-paid training ...
Performance testing a Vaadin application: Part 3 Apache JMeter
JMeter is one of the most popular performance testing tools. First released at the end of 1998, JMeter became the default choice for many companies needing to measure the performance of their software. In 2016, it was estimated that half of all companies performing load tests used JMeter. It is ...
Vaadin meets Vert.x
Vaadin server-side applications usually run in a servlet container, such as Jetty, Tomcat, or Undertow. However, Vaadin is not limited to these environments. The Vaadin building blocks are wisely designed on top of abstractions—VaadinRequest, VaadinResponse, VaadinService, VaadinSession, and ...
Performance testing a Vaadin application: Part 2 Application internals
In this post, you get to know the Vaadin internals that are relevant from a load-testing perspective. It is necessary to delve into these details, because they explain why you cannot simply replay a previously-recorded scenario when load testing a Vaadin app. You also need to deal with unique ...
Styling Web Components with CSS variables
Why do you need CSS variables? The purpose of CSS variables (CSS Custom Properties) is to enable using a CSS value across your whole application. Previously this has been possible by using a CSS preprocessor like Sass. Unlike SCSS or LESS, CSS variables are natively supported by most modern ...