morj On this query to search on башорг.рф, it is ignored and the search is instead performed globally: https://kagi.com/search?q=site%3A%D0%B1%D0%B0%D1%88%D0%BE%D1%80%D0%B3.%D1%80%D1%84+koss Might be related to query length, since for those two requests: https://kagi.com/search?q=site%3A%D0%B1%D0%B0%D1%88%D0%BE%D1%80%D0%B3.%D1%80%D1%84+linu https://kagi.com/search?q=site%3A%D0%B1%D0%B0%D1%88%D0%BE%D1%80%D0%B3.%D1%80%D1%84+linux the first one ignores the site:, while the second one doesn't and searches on башорг.рф only Search of "linu" on башорг.рф should behave the same as the search for "linux"