I. Preliminary Remark
But as I had drafted some aspects of the second article in English, too, I will publish them here also in English. The German articles are much more extensive, though, and I suggest rather reading them.
II. Problems and Solutions
1. Strange Signs, Strange Words, Strange Numbers at the end of my URLs
1. E.g. “#.”, followed by other signs
The solution lies in disabling the track address bar shares-function of AddThis, cf. here.