Eine neue CSS-Klasse im Formular-Template, gepflegt über ein eigenes Auswahlfeld im TYPO3-Backend. Umgesetzt mit wenigen Zeilen YAML-Konfiguration.

My name is Andreas Möller, and I am a self-employed Software Engineer and Consultant from Berlin, Germany. What can I do for you?

When I use IRRE relations in Extbase data models, I also want the editors to be able to sort these data sets.

A summary of the PNG compression algorithm in layman's terms including 7 tips for reducing the file size.

Here are the most important SEO takeaways and SEO tips from Google I/O 2021. 

Mock API Responses in Unit Tests with the help of Guzzle Mock Handlers.

CSS tips and tricks you will not see in most of tutorials.

Images have also been a key part of the web. They communicate ideas instantly, but they are also a lot heavier than text to load. This means that it’s essential to get loading and displaying them right, if you want to give your users a fantastic first impression. An excerpt from Addy's new book (also, check a free PDF preview).

It sounds simple: test units of code without their real dependencies, use stubs or mocks instead. But if you don't control the replaced dependencies, things can quickly get out of control.

Learn about how cookie notices affect performance, performance measurement, and UX.

How are Core Web Vitals measured? How do you know your fixes have had the desired effect and when will you see the results in Google Search Console? Let’s figure it out.

Here’s a closer look at Google’s Federated Learning of Cohorts (FLoC) initiative and how you can fight back and opt-out as a web user and a web developer.

Rector is a reconstructor tool for PHP. Learn how you can use it to code with modern PHP features yet still deploy to legacy environments.

A guide to vanilla JavaScript code snippets — with resources and lightweight libraries to help you solve a problem without a large overhead or third-party dependencies.

This is a very clever idea via Arthur Corenzan. Rather than use the default YouTube embed, which adds a crapload of resources to a page whether the user

When we produce a PNG image, we use an tag or a CSS background, and that's about it. It is dead simple and guaranteed to work. PNG is way simpler to use

Persistent headers can be useful to users if they are unobtrusive, high-contrast, minimally animated, and fit user needs.