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 38 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, Poland, Netherlands and 19 other countries.
WordStream is leading in Australia, Switzerland, Mexico, Malaysia and 3 other countries.