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 75 other categories.
Prudsys is leading in Shopping, Clothing, Consumer Electronics, Food & Grocery Retailers and 2 other categories.
Vizu is leading in most countries, including United States, Indonesia, Brazil, India and 15 other countries.
Prudsys is leading in Denmark, Germany, Italy, Poland and 3 other countries.