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, News & Media, Business & Industry and 67 other categories.
Observer is leading in Computer & Electronics, Internet & Telecom, Software, Web Design and 5 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, France and 13 other countries.
Observer is leading in United States, Russia, Lao, Czech Republic and one other country.