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Roland Guelle

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:

17 min 09.07.2019

Page Speed Optimization: How to Improve Your Website’s Loading Time

When you’re on the internet, nothing is more annoying than a website that loads slowly. A slow loading website also gives negative indicators to Google, and for online shops in particular, every extra second of loading means losses in sales.

13 shares Technical SEO

3 min 26.03.2019

7 Front End Trends That Will Pick Up Massive Speed This Year

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.

6 shares User Experience

7 min 18.02.2019

How to Measure Page Speed

Google has updated PageSpeed Insights, and has now made it clearer than ever that there are several ways and values of measuring page speed. We'll explain the most important of these measurements and show you how to optimize your website.

4 shares Google Topics