Market Share by Top Websites

1 DoubleVerify 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 DoubleVerify in all segments.

Websites Categories

1 Topsy has better usage coverage in more websites categories. Including People & Society, Business & Industry, Arts & Entertainment, Internet & Telecom and 16 other categories.

2 DoubleVerify is leading in Sports, News & Media, Career & Education, Games and one other category.


1 DoubleVerify is leading in most countries, including United States, Russia, Canada, Germany and 114 other countries.

2 Topsy is leading in Japan, Armenia, Paraguay, Iceland and 4 other countries.