Market Share by Top Websites

1 DoubleVerify is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, Optimost is still behind DoubleVerify in all market share segments.

Websites Categories

1 DoubleVerify has better usage coverage in more websites categories. Including Computer & Electronics, News & Media, Software, Technology News and 70 other categories.

2 Optimost is leading in People & Society, Finance, Business & Industry, Insurance and 27 other categories.


1 DoubleVerify is leading in most countries, including United States, India, United Kingdom, Spain and 41 other countries.

2 Optimost is leading in Turkey, Czech Republic, Denmark, Taiwan and 4 other countries.