Bluemetrix is leading in Top 100K Sites and Top 1M Sites.
Bluemetrix has better usage coverage in more websites categories. Including Business & Industry, Shopping, Real Estate, Travel and 40 other categories.
w3roi is leading in Internet & Telecom, Telecommunications and Online Marketing.
Bluemetrix is leading in most countries, including Japan, United Kingdom, United States, Ireland and 41 other countries.
w3roi is leading in China and Belarus.