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, Business & Industry, Sports and 79 other categories.
Observer is leading in Computer & Electronics, Software, Photography, Programming and 6 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, Netherlands and 33 other countries.
Observer is leading in Japan, Mexico, Korea Republic, Hong Kong and one other country.