BrandReach is leading in Top 10K Sites and Top 100K Sites.
Tailsweep has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Social Sciences and 58 other categories.
BrandReach is leading in Adult, Industrial Goods & Services, Gay, Lesbian, & Bisexual and Online Marketing.
Tailsweep is leading in most countries, including Sweden, United Kingdom, Finland, Poland and 28 other countries.
BrandReach is leading in United States, Germany, Russia, China and 18 other countries.