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, Sports, Business & Industry, News & Media and 74 other categories.
w3roi is leading in Internet & Telecom, Computer & Electronics, Online Marketing, Web Design and 11 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, Switzerland and 20 other countries.
w3roi is leading in United States, China, Belgium, Japan and one other country.