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Usage Statistics

A statistic in which the counting methods change within the periods considered has become meaningless! Therefore, unfortunately, the previous form of the statistic cannot continue. The old data is still available in the archive but it is no longer comparable with the new data.

For example, if the same IP dialed into the homepage at two different times, this was counted as two visits. The required interval between recognizing a single visit and two visits was 30 minutes. (The assignment of an IP to a user could have changed during this time). The new server operating system counts this process as one visitor only.

However, this homepage is widely used in many internal networks (intranets of universities, companies) that appear outside as a single IP. All users in these universities and companies are now only a single visitor. Although the log files on the server become larger, about 70 to 80% of the previously counted data is recorded only. Continuous statistics are therefore no longer possible

Visitors Visits Pages Hits GiBytes
June 2021111 454151 488449 2985.378 091233,16
July 202186 988120 034343 5214 559 505296,47
August 202178 051109 477299 4764 170 085195,18
September 202186 252120 645351 2674 698 714238,47
October 202196 140138 764490 2705 266 196171,68
November 2021102 034142 245368 6335 510 158181,30
December 202197 585135 344335 6205 099 315161,60
January 2022102 045142 943351 1935 471 776169,77
Februar 202297 774143 366364 0515 220 821199,01
Marc 2022112 054158 940397 2946 162 644309,23
April 20221159091593364255125814797230,82
Mai 2022109 422153 702425 2506 021 904197,10
Total:1 195 7081 676 2844 601 38563 374 0062 584

In general, it can be seen that visitor traffic increases by about 5 to 10% per year. (An exception is the year of the pandemic, but there was an above-average increase in the downloads of the offline archive). For about the same length of stay and about the same number of pages viewed per visit, the number of pages accessed increases at the same rate. This can be explained by increasing the number of pages indexed by Google (currently about 11 200). A large proportion of these is on the first page of Google search results. In total, about 60% of the visitor traffic comes to this homepage via Google search. Together with images, scripts, and PDF documents, this homepage contains about 24 500 linked files. So, at present, in the overview of radar units, one radar is added almost daily with its known technical data.