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, News & Media, Sports, Business & Industry and 81 other categories.
w3roi is leading in Internet & Telecom, Products & Shopping, Online Marketing, Insurance and 6 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, France and 19 other countries.
w3roi is leading in United States, China, Canada, Russia and 3 other countries.