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, Health and 39 other categories.
FeedPerfect is leading in Shopping, Business & Industry, Home & Garden, Clothing and 36 other categories.
FeedPerfect is leading in most countries, including United States, Canada, Germany, Italy and 18 other countries.
WordStream is leading in United Kingdom, Australia, Mexico, Viet Nam and 5 other countries.