Next Performance is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
WhosOn has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Internet & Telecom, Travel and 108 other categories.
Next Performance is leading in Shopping, Clothing, Adult, News & Media and 37 other categories.
WhosOn is leading in most countries, including United States, United Kingdom, Canada, India and 50 other countries.
Next Performance is leading in France, Brazil, Spain, Germany and 17 other countries.