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, Yahoo Analytics is clearly lagging behind, losing to Nielsen NetRatings in all segments.

Websites Categories

1 Yahoo Analytics has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 200 other categories.

2 Nielsen NetRatings is leading in News & Media, Marketing & Advertising, TV & Video, Cooking & Recipes and 19 other categories.

Geography

1 Yahoo Analytics is leading in most countries, including United States, Taiwan, India, Japan and 131 other countries.

2 Nielsen NetRatings is leading in Italy, Australia, Russia, United Kingdom and 55 other countries.