iprom is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
iprom has better usage coverage in more websites categories. Including Business & Industry, Shopping, News & Media, Music & Audio and 54 other categories.
Tailsweep is leading in Arts & Entertainment, People & Society, Science, Social Sciences and 33 other categories.
Tailsweep is leading in most countries, including Sweden, United States, Russia, United Kingdom and 36 other countries.
iprom is leading in Slovenia, Croatia, Serbia, Bosnia And Herzegovina and 11 other countries.