Market Share by Top Websites

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

2 In terms of market share, TeaLeaf is clearly lagging behind, losing to Nielsen NetRatings in all segments.

Websites Categories

1 Nielsen NetRatings has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, News & Media, Marketing & Advertising and 203 other categories.

2 TeaLeaf is leading in Airlines & Airports and Insurance.


1 Nielsen NetRatings is leading in most countries, including Italy, United States, Australia, Russia and 173 other countries.

2 TeaLeaf is leading in French Polynesia, Democratic Republic Of The Congo, New Caledonia, Jordan and 3 other countries.