Market Share by Top Websites

1 Gemius is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Nielsen NetRatings is clearly lagging behind, losing to Gemius in all segments.

Websites Categories

1 Gemius has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Religion & Spirituality and 130 other categories.

2 Nielsen NetRatings is leading in Business & Industry, Marketing & Advertising, Food & Drink, Autos & Vehicles and 94 other categories.


1 Gemius is leading in most countries, including Poland, Czech Republic, Hungary, Bulgaria and 91 other countries.

2 Nielsen NetRatings is leading in Italy, United States, Australia, Spain and 66 other countries.