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, Products & Shopping and 2 other categories.
Vizu is leading in most countries, including United States, Indonesia, India, United Kingdom and 16 other countries.
Prudsys is leading in Italy, Croatia, Denmark, Poland and 4 other countries.