If you resume your Blogging like me, you should know a lot of new Guide Lines on the Internet Laws at European Union.
The daily Problem is that you have to read the Laws as Webmaster frequently and then update your Websites.
useful Links:
https://www.ihk-muenchen.de/de/Service/Recht-und-Steuern/Datenschutz/
https://www.ihk-muenchen.de/de/Service/Recht-und-Steuern/Internetrecht/