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, is clearly lagging behind, losing to GroupM Server in all segments.

Websites Categories

1 has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Movies, TV & Video and 80 other categories.

2 GroupM Server is leading in Autos & Vehicles, Food & Drink, Cooking & Recipes, Health and 18 other categories.


1 is leading in most countries, including Mexico, United States, Spain, India and 42 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, Austria and 12 other countries.