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 80 other categories.
w3roi is leading in Products & Shopping, Online Marketing, Insurance, Gambling and 5 other categories.
Meetrics is leading in most countries, including Germany, Poland, Austria, Netherlands and 31 other countries.
w3roi is leading in China, Taiwan, Philippines and Tunisia.