AdSpeed
469 websites

AdSpeed offers both free and paid options

http://www.adspeed.com

AdSpeed is an independent ad server and ad manager. With trillions of ads served to satisfaction since 2000, AdSpeed provides a complete solution to manage ad inventory and maximize advertising revenue. Some benefits of AdSpeed: lt;ulgt;...

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Centro
1,020 websites

Centro is free to use

http://www.centro.net

Centro is a digital media services and technology company. Founded in 2001 and headquartered in Chicago with 17 offices nationwide, Centro serves over 350 agencies representing more than 1,100 advertisers. Centro’s commitment to culture, ...

Market Share by Top Websites

1 Centro is leading in Top 100K Sites and Top 1M Sites.

2 In terms of market share, AdSpeed is clearly lagging behind, losing to Centro in all segments.

Websites Categories

1 Centro has better usage coverage in more websites categories. Including Vehicles, Science & Education, Sports, Health and 10 other categories.

2 AdSpeed is leading in News & Media, Business & Consumer Services, Law & Government, Arts & Entertainment and 5 other categories.

Geography

1 AdSpeed is leading in most countries, including United Kingdom, Germany, Canada, India and 39 other countries.

2 Centro is leading in United States, Brazil, Bangladesh, Hungary and 12 other countries.