AdTotal is leading in Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Sports, Arts & Entertainment, Internet & Telecom and 22 other categories.
ReferLocal is leading in Tourism, Travel, Transportation & Logistics and Newspapers.
ReferLocal is leading in most countries, including United States, United Kingdom and France.
AdTotal is leading in Poland and Portugal.