Market Share by Top Websites

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

2 In terms of market share, Experian Marketing Services is clearly lagging behind, losing to WebTracker in all segments.

Websites Categories

1 Experian Marketing Services has better usage coverage in more websites categories. Including Autos & Vehicles, Arts & Entertainment, Car Buying, Business & Industry and 31 other categories.

2 WebTracker is leading in News & Media, Adult, Movies, Games and 5 other categories.


1 Experian Marketing Services is leading in most countries, including United States, United Kingdom, Italy, Brazil and 19 other countries.

2 WebTracker is leading in Japan, Taiwan, Kazakhstan, Saudi Arabia and one other country.