Prudsys is leading in Top 100K Sites and Top 1M Sites.
w3roi has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, Computer & Electronics, Health and 32 other categories.
Prudsys is leading in Shopping, Clothing, Consumer Electronics, Office Products and 3 other categories.
w3roi is leading in most countries, including United States, China, Canada, India and 8 other countries.
Prudsys is leading in Italy, Croatia, Poland, Slovenia and 7 other countries.