The situation is this - there is a transition with a referer in the logs (see a piece of the log), but in the counter it is displayed as a direct entry and the referer is not indicated - is this a work error or its feature?
Log example
Line 160579: 111.165.98.103 - - [09 / Jan / 2020: 21: 25: 01 +0300] “GET /?referer=OTHERSITE.com HTTP / 2.0” 200 5499 “-” "Mozilla / 5.0 (Windows NT 10.0; WOW64) AppleWebKit / 537.36 (KHTML, like Gecko) Chrome / 78.0.3904.108 YaBrowser / 12.19.4.25 Yowser / 2.5 Safari / 537.36 "
Line 160581: 111.165.98.103 - - [09 / Jan / 2020: 21: 25: 22 +0300] “GET /?referer=www.OTHERSITE.com HTTP / 2.0” 200 5499 “-” "Mozilla / 5.0 (Windows NT 10.0; WOW64) AppleWebKit / 537.36 (KHTML, like Gecko) Chrome / 78.0.3904.108 YaBrowser / 12.19.4.25 Yowser / 2.5 Safari / 537.36 "