Market Share by Top Websites

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

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

Websites Categories

1 Connextra has better usage coverage in more websites categories. Including Gambling, Sports, Sports, People & Society and 87 other categories.

2 GroupM Server is leading in Autos & Vehicles, Food & Drink, Movies, Cooking & Recipes and 31 other categories.


1 Connextra is leading in most countries, including Spain, United Kingdom, United States, Russia and 67 other countries.

2 GroupM Server is leading in Poland, Denmark, Montenegro and Peru.