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 77 other categories.
Prudsys is leading in Shopping, Clothing, Consumer Electronics, Office Products and 2 other categories.
Vizu is leading in most countries, including United States, India, Indonesia, Canada and 14 other countries.
Prudsys is leading in Italy, Slovenia, Poland, Denmark and 3 other countries.