See https://www.netmarketshare.com/faq.aspx#Methodology https://www.netmarketshare.com/faq.aspx#Methodology "The data is compiled from approximately 160 millio

See https://www.netmarketshare.com/faq.aspx#Methodology https://www.netmarketshare.com/faq.aspx#Methodology "The data is compiled from approximately 160 million unique visits per month. The information published on www.netmarketshare.com is an aggregation of the data from this network of hosted website traffic statistics. In addition, we classify 430+ referral sources identified as search engines. Aggregate traffic referrals from these engines are summarized and reported monthly. The statistics for search engines include both organic and sponsored referrals."