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 39 other categories.
Vertster is leading in Internet & Telecom, Computer Hardware, Science, Womens Interests and 4 other categories.
Bluemetrix is leading in most countries, including Japan, United Kingdom, United States, Ireland and 24 other countries.
Vertster is leading in Australia.