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, Optimost is clearly lagging behind, losing to DoubleVerify in all segments.

Websites Categories

1 DoubleVerify has better usage coverage in more websites categories. Including Computer & Electronics, News & Media, Software, Technology News and 55 other categories.

2 Optimost is leading in People & Society, Finance, Business & Industry, Insurance and 32 other categories.

Geography

1 DoubleVerify is leading in most countries, including United States, Russia, France, Israel and 33 other countries.

2 Optimost is leading in United Kingdom, Canada, Switzerland, Czech Republic and 12 other countries.