ContentClick is leading in Top 100K Sites and Top 1M Sites.
ContentClick has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Sports, News & Media and 83 other categories.
ReferLocal hasn't got a lead over ContentClick in any websites category.
ContentClick is leading in most countries, including United Kingdom, United States, Brazil, Canada and 40 other countries.
ReferLocal is leading in Finland.