Next Performance is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Next Performance has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Travel and 80 other categories.
WebTracker is leading in Arts & Entertainment, Video Games, TV & Video, Movies and 2 other categories.
Next Performance is leading in most countries, including France, Brazil, Spain, Germany and 27 other countries.
WebTracker is leading in Japan, Singapore, Saudi Arabia, Kazakhstan and one other country.