Meetrics is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Meetrics has better usage coverage in more websites categories. Including Arts & Entertainment, Business & Industry, News & Media, Sports and 75 other categories.
w3roi is leading in Internet & Telecom, Online Marketing, Web Design, Products & Shopping and 9 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, France and 14 other countries.
w3roi is leading in United States, China, India, Canada and 5 other countries.