Prudsys is leading in 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 75 other categories.
Prudsys is leading in Shopping, Clothing, Consumer Electronics, Office Products and one other category.
Vizu is leading in most countries, including United States, Indonesia, India, Canada and 19 other countries.
Prudsys is leading in Italy, Croatia, Poland, Belarus and 5 other countries.