AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Sports, Internet & Telecom and 26 other categories.
ReferLocal is leading in News & Media, Transportation & Logistics, Newspapers, Travel and one other category.
AdTotal is leading in most countries, including Poland, Iran, Korea Republic, Germany and one other country.
ReferLocal is leading in United States and Japan.