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 107 other categories.
Next Performance is leading in Shopping, Clothing, News & Media, Sports and 36 other categories.
WhosOn is leading in most countries, including United Kingdom, United States, Canada, Ireland and 53 other countries.
Next Performance is leading in France, Brazil, Germany, Spain and 21 other countries.