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

Websites Categories

1 GroupM Server has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Business & Industry, Internet & Telecom and 57 other categories.

2 CONTEXTin is leading in Computer & Electronics, Software, Products & Shopping, Consumer Electronics and 11 other categories.


1 GroupM Server is leading in most countries, including Poland, Germany, Denmark, Spain and 31 other countries.

2 CONTEXTin is leading in United States, Argentina, Mauritania and Sudan.