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 79 other categories.

2 GroupM Server is leading in Shopping, Autos & Vehicles, Food & Drink, Cooking & Recipes and 16 other categories.


1 is leading in most countries, including India, Spain, Mexico, United States and 37 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, United Kingdom and 18 other countries.