GroupM Server
91 websites

GroupM Server is free to use

http://www.groupm.com/

Ghostery Analysis of GroupM Server. See which sites GroupM Server was found on and learn what GroupM is doing with your data.

VS

Silverpop
352 websites

Silverpop costs money

http://www.silverpop.com

Silverpop is the only marketing technology provider with expertise in email marketing and marketing automation. In today's customer-driven marketplace, one in which marketers must reach their target audience more often, via more channels an...

Market Share by Top Websites

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

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

Websites Categories

1 Silverpop has better usage coverage in more websites categories. Including Finance, Travel & Tourism, Community & Society, Business & Consumer Services and 16 other categories.

2 GroupM Server is leading in Computers Electronics & Technology and Games.

Geography

1 Silverpop is leading in most countries, including United States, Mexico, Australia, India and 34 other countries.

2 GroupM Server is leading in Poland, Germany, Denmark, Italy and 6 other countries.