Hi Cyrus,

thanks for your detailed answer. As I found out the main cause was human stupidity

I just saw that somehow Wordpress did not publish the changes unless I deleted the cache in WP. Thereafter the homepage looked kind of destroyed because of a false setting in WP. Maybe this might have caused the drop although the page looked ok to me before deleting the cache...

Thank you very much.

I took learned a lot from your posting!

Marc