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 71 other categories.
Observer is leading in Computer & Electronics, Internet & Telecom, Software, Web Design and 6 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, Switzerland and 21 other countries.
Observer is leading in Russia, Canada, China, Belgium and one other country.