FeedPerfect is leading in Top 100K Sites and Top 1M Sites.
WordStream has better usage coverage in more websites categories. Including People & Society, Relationships & Dating, Autos & Vehicles, Internet & Telecom and 41 other categories.
FeedPerfect is leading in Shopping, Business & Industry, Home & Garden, Clothing and 37 other categories.
FeedPerfect is leading in most countries, including United States, Canada, Ukraine, Russia and 10 other countries.
WordStream is leading in Mexico, Brazil, South Africa, Philippines and 4 other countries.