khamenei.de
is not an official site of Imam Khamene'i (hafizahuallah), it is only a humble work of some of his  [muqallideen] in Germany.
See the links to the official sites of Imam Khamene'i.

A similar work is also available in German language

Newssite of the Institute for Preserving and Publishing Works by
Ayatollah Seyyid Ali Khamenei:
www.khamenei.ir