A technical “nice to know” about the “gruendel-haus.de” website is that it achieves high performance and flexibility through the use of modern web technologies such as HTML5, CSS3 and JavaScript. This not only enables a fast loading time, but also a dynamic and interactive user experience on different devices and browsers. In addition, the implementation of SEO-optimized structures and a barrier-free design ensures improved findability in search engines and inclusive use for all visitors.