Market Share by Top Websites

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

2 Despite its recent growth, Siteimprove is still behind Neustar in all market share segments.

Websites Categories

1 Neustar has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, Food & Drink, Games and 13 other categories.

2 Siteimprove is leading in Science & Education, Law & Government, Health, Finance and 3 other categories.


1 Neustar is leading in most countries, including United States, France, Japan, United Kingdom and 144 other countries.

2 Siteimprove is leading in Denmark, Netherlands, Sweden, Norway and 6 other countries.