Bluemetrix is leading in Top 100K Sites and Top 1M Sites.
Bluemetrix has better usage coverage in more websites categories. Including Business & Industry, Real Estate, Shopping, Arts & Entertainment and 33 other categories.
w3roi is leading in Internet & Telecom, Computer & Electronics, Health, Products & Shopping and 11 other categories.
Bluemetrix is leading in most countries, including Japan, United Kingdom, Ireland, Russia and 21 other countries.
w3roi is leading in United States, Turkey, Viet Nam, Spain and one other country.