Tailsweep is leading in Top 1M Sites.
Tailsweep has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Social Sciences and 64 other categories.
Unicast is leading in Performing Arts.
Tailsweep is leading in most countries, including Sweden, United States, Russia, United Kingdom and 47 other countries.
Unicast is leading in Brazil.