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, ...

VS

Resonate Networks
474 websites

Resonate Networks is free to use

http://www.resonatenetworks.com

Resonate is an online ad technology company offering advertisers an entirely new approach to targeted audience delivery based on values, beliefs, and attitudes. Resonates proprietary methodology and patent-pending Quality Visitation Indices...

Market Share by Top Websites

1 Resonate Networks is leading in Top 10K Sites and Top 100K Sites.

2 Centro is leading in Top 1M Sites.

Websites Categories

1 Centro has better usage coverage in more websites categories. Including Vehicles, Science & Education, Sports, Health and 12 other categories.

2 Resonate Networks is leading in News & Media, Computers Electronics & Technology, Lifestyle and E-commerce & Shopping.

Geography

1 Centro is leading in most countries, including United States, Canada, India, United Kingdom and 24 other countries.

2 Resonate Networks is leading in Germany, Italy, Japan, Hong Kong and 13 other countries.