Prudsys is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Yahoo Search Marketing Analytics has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Internet & Telecom, Health and 78 other categories.
Prudsys is leading in Shopping, Clothing, People & Society, Autos & Vehicles and 34 other categories.
Prudsys is leading in most countries, including Germany, Austria, Italy, Switzerland and 27 other countries.
Yahoo Search Marketing Analytics is leading in Japan, United States, South Korea, Taiwan and 19 other countries.