Market Share by Top Websites

1 TNS 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 TNS in all segments.

Websites Categories

1 TNS has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Business & Industry and 179 other categories.

2 Topsy is leading in Addictions, Alternative & Natural Medicine, Weight Loss, Weddings and 30 other categories.


1 TNS is leading in most countries, including Russia, Ukraine, United States, Norway and 119 other countries.

2 Topsy is leading in Japan, Brazil, Pakistan, Guatemala and 11 other countries.