[anthk]

No, I've seen personal pages neither related on selling products nor providing them.

[morsch]

There's a lot of confusion about this and people are understandably and correctly erring on the side of caution.

https://www.bmuv.de/themen/verbraucherschutz/digitaler-verbr...

https://www.impressum-generator.de/2016/11/impressumspflicht...