Prudsys is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vizu has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Technology News and 54 other categories.
Prudsys is leading in Shopping, Clothing, Business & Industry, Health and 32 other categories.
Prudsys is leading in most countries, including Germany, Italy, Switzerland, Austria and 38 other countries.
Vizu is leading in United States, Indonesia, Canada, Thailand and 5 other countries.