Operating system analysis for the 18. September 2019
Counter-ID #16777 - 'http://www.knut-petzold.de/index.html'
Data Overview
| Operating system | Visitors | Share |
| Windows 7 | 2 | 33,33% |
| Android | 1 | 16,67% |
| MacOS | 1 | 16,67% |
| iOS (iPad) | 1 | 16,67% |
| iOS (iPhone) | 1 | 16,67% |