1
TNS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, Vertster is clearly lagging behind, losing to TNS in all segments.
1
TNS has better usage coverage in more websites categories. Including People & Society, Business & Industry, Arts & Entertainment, Internet & Telecom and 21 other categories.
2
Vertster hasn't got a lead over TNS in any websites category.
1
TNS is leading in most countries, including Russia, Ukraine, United States, Belarus and 146 other countries.
2
Vertster hasn't got a lead over TNS in any country.