Market Share by Top Websites

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

2 In terms of market share, Vocus is clearly lagging behind, losing to GroupM Server in all segments.

Websites Categories

1 Vocus has better usage coverage in more websites categories. Including Business & Industry, News & Media, Health, Shopping and 66 other categories.

2 GroupM Server is leading in Arts & Entertainment, People & Society, Internet & Telecom, Autos & Vehicles and 32 other categories.

Geography

1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, United Kingdom and 23 other countries.

2 Vocus is leading in United States, India, Canada, Russia and 17 other countries.