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 63 other categories.
Observer is leading in Computer & Electronics, Internet & Telecom, Software, Web Design and 7 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, France and 16 other countries.
Observer is leading in Russia, United States, Japan, Argentina and 4 other countries.