Harren Media is leading in Top 100K Sites and Top 1M Sites.
Harren Media has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, TV & Video, Movies and 41 other categories.
ReferLocal is leading in Transportation & Logistics and Newspapers.
Harren Media is leading in most countries, including Brazil, Mexico, Spain, Indonesia and 24 other countries.
ReferLocal is leading in United States and Germany.