Market Share by Top Websites

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

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

Websites Categories

1 Neustar has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, News & Media, Games and 19 other categories.

2 163 is leading in Arts & Entertainment.


1 Neustar is leading in most countries, including United States, Indonesia, Brazil, Italy and 141 other countries.

2 163 is leading in China, Hong Kong, Mongolia and Namibia.