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, Health and 43 other categories.
Experian Marketing Services is leading in Autos & Vehicles, Arts & Entertainment, Car Buying, Sports and 12 other categories.
Experian Marketing Services is leading in most countries, including United States, Italy, France, Japan and 11 other countries.
WordStream is leading in United Kingdom, Switzerland, Mexico, Malaysia and 8 other countries.