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, Business & Industry, Car Buying, People & Society and 20 other categories.

2 WebTracker is leading in Arts & Entertainment, Adult, News & Media, Shopping and 12 other categories.


1 Experian Marketing Services is leading in most countries, including United States, Brazil, Italy, United Kingdom and 11 other countries.

2 WebTracker is leading in Japan, Russia, Hong Kong, Chile and 2 other countries.