1
Nielsen NetRatings is leading in The Entire Web.
2
Parsely is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
1
Nielsen NetRatings has better usage coverage in more websites categories. Including Games, Arts & Entertainment, Sports, Computers Electronics & Technology and 12 other categories.
2
Parsely is leading in Adult, News & Media, Lifestyle, Hobbies & Leisure and 4 other categories.
1
Nielsen NetRatings is leading in most countries, including Italy, Australia, Philippines, Russia and 88 other countries.
2
Parsely is leading in United States, United Kingdom, Canada, Germany and 59 other countries.