St. Petersburg Orthodox Institute of Religious Studies and Church Arts is the educational institution in Russia founded in 1999.
According to PR-model, orthodox-institute.ru is ranked 546,726th in multilingual Wikipedia, in particular this website is ranked 91,554th in Russian Wikipedia.
The website is placed before chuo-kagaku.co.jp and after observatoire-de-la-diplomatie.com in the BestRef global ranking of the most important sources of Wikipedia.