Market Share by Top Websites

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

2 In terms of market share, Constellix RUM is clearly lagging behind, losing to MediaMetrics in all segments.

Websites Categories

1 MediaMetrics has better usage coverage in more websites categories. Including News & Media, Computers Electronics & Technology, Arts & Entertainment, Law & Government and 12 other categories.

2 Constellix RUM is leading in E-commerce & Shopping and Business & Consumer Services.

Geography

1 MediaMetrics is leading in most countries, including Russia, Azerbaijan, Ukraine, Kazakhstan and 23 other countries.

2 Constellix RUM is leading in United States, Indonesia, Italy, Netherlands and one other country.