Spoluzaci.cz is a very popular community server with a database of classes from elementary and secondary schools, grammar schools and vocational schools in the Czech Republic. This database includes classes that are current, completed and graduated from.

Average daily visit rate (RU): *19 997
Number of displayed pages per month (PV):
5 818 133
Average time spent by the user on the server (ATS): **0:10:23
Gender structure: ***59 % men, 41 % women