I shared my experience with performance optimizations a couple of weeks ago at our Vaadin Create conference. One key takeaway was implementing lazy loading at the client-server and database layers. Lazy loading essentially transfers only the required data to the client and requests a reasonable ...

In a recent blog post, I debunked the myth that a Web Component is essential as a counterpart to your Vaadin Java component. The Element API in Vaadin Flow is also apt for raw JS components. Given that React components are JS components, it's feasible to wrap them directly. However, React's unique ...

We are excited to announce the updated Vaadin Certification training and exams, now more streamlined and focused on facilitating a comprehensive learning pathway for aspiring Vaadin professionals. Our updated training materials are designed to help you with the knowledge and skills necessary to ...

Bashing ORM tools, which in the JVM bubble is most likely Hibernate, is probably the most common hobby among developers. I agree ORM is often an obsolete piece in our technology stacks, but I claim that in most cases, it ought to be the relational database itself that should be burnt with fire. ...

Have you ever needed to know where your application is being run? Like the typical localhost:8080 or vaadin-form-example.demo.vaadin.com? As you likely know, Vaadin allows you to build web applications in Java, and the UI runs on the server-side JVM environment. Compared to client-side frameworks, ...

This blog post discusses the advantages of using OpenID Connect (OIDC) for handling authentication in web applications. It also provides an example of integrating OIDC with Vaadin using Quarkus, emphasizing the importance of security libraries and best practices when working with OIDC. OpenID ...

Many Vaadin add-ons are wrappers around existing JavaScript libraries or components. The tooling and documentation in Vaadin are primarily targeted for the optimal case, where the wrapped component is a Web Component. The huge rewrite of the framework in version 10 was done largely to optimize this ...

Streaming video and audio content has become essential to modern web applications, providing users with an engaging and interactive experience. HTTP range requests are crucial to delivering these media files efficiently. Range requests allow for seeking within video and audio files, enhancing the ...

Liukuri is a web app visualizing the current electricity prices and sources inspired by exceptionally high electricity prices in 2022. In addition, it also features an electricity cost calculator with which you can determine how much your electricity consumption in Finland has cost based on actual ...