As CTO of Sevenval Technologies GmbH, founded in 1999, Roland Guelle is responsible for research and development. With around 170 employees in Cologne and Berlin, Sevenval has specialized in frontend solutions that enable a modern, fast and, above all, secure user experience based on historically grown IT system landscapes. Roland still develops himself today and likes to speak at developer conferences.
Contributions by Roland Guelle:
In order to improve your page speed, you first need to measure your loading times correctly. Here's a selection of free tools you can try out today.
A slow website annoys visitors, and also gives negative indicators to Google. In this article, we explain what benchmarks you should be aiming for, which tools you can use to measure your page speed, and offer 24 ways to optimize your loading times.
Front end technology is developing rapidly. Roland Guelle, CTO of Berlin & Cologne-based Sevenval Technologies, presents seven trends that are important today and in the future.