Hi @Sven_Eschholz,
So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.
Can you provide some specific examples of this? What are you searching for? How long does it take to load? How does this compare to 1.5?