163
24,513 websites

163 is free to use

163.com

A China's Company that offers users free email, games and search engine services, as well as more than 30 content channels including news, entertainment and sports, as well as blogs, videos and forums.

VS

Acerno
204 websites

Acerno is free to use

http://www.adroitds.com/

aCerno is an e-commerce advertisement cooperative that uses anonymous consumer shopping data from product manufacturers and retailers to identify consumers and their desired products and services.

Market Share by Top Websites

1 163 is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Acerno is clearly lagging behind, losing to 163 in all segments.

Websites Categories

1 163 has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Computers Electronics & Technology, Lifestyle and 19 other categories.

2 Acerno is leading in Heavy Industry & Engineering.

Geography

1 163 is leading in most countries, including China, United States, Taiwan, Hong Kong and 31 other countries.

2 Acerno is leading in United Kingdom, Italy, Spain, Argentina and 8 other countries.