SeeVolution is leading in Top 100K Sites and Top 1M Sites.
SeeVolution has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Internet & Telecom and 98 other categories.
WordStream is leading in Relationships & Dating, Autos & Vehicles, Construction & Maintenance, Games and 17 other categories.
SeeVolution is leading in most countries, including United States, France, Spain, Japan and 50 other countries.
WordStream is leading in Bulgaria, Hungary, Malaysia, Peru and one other country.