https://w3techs.com/technologies https://w3techs.com/technologies “We include only the top 10 million websites (top 1 million before June 2013) in the statisti

https://w3techs.com/technologies https://w3techs.com/technologies “We include only the top 10 million websites (top 1 million before June 2013) in the statistics in order to limit the impact of domain spammers”. So, affiliate sites with shallow content – and probably low traffic – aren't included.