Experian Marketing Services is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
WordStream has better usage coverage in more websites categories. Including Business & Industry, People & Society, Relationships & Dating, Shopping and 48 other categories.
Experian Marketing Services is leading in Arts & Entertainment, Car Buying, Tourism, Sports and 12 other categories.
Experian Marketing Services is leading in most countries, including United States, United Kingdom, Japan, Canada and 13 other countries.
WordStream is leading in Mexico, South Africa, Russia, Netherlands and 5 other countries.