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, Topsy 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, Business & Industry and 215 other categories.

2 Topsy is leading in Addictions, Alternative & Natural Medicine, Weddings, Insurance and 3 other categories.


1 Gemius is leading in most countries, including Poland, Czech Republic, Hungary, Bulgaria and 135 other countries.

2 Topsy is leading in Japan, Brazil, Korea Republic, Saint Lucia and 4 other countries.