しんぐるまざあず・ふぉーらむ is the organization in Japan.
According to PR-model, single-mama.com is ranked 416,981st in multilingual Wikipedia, in particular this website is ranked 31,033rd in Japanese Wikipedia.
The website is placed before loony-archivist.com and after ilgiornaledicasoria.it in the BestRef global ranking of the most important sources of Wikipedia.