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, Internet & Telecom, Arts & Entertainment, Health and 78 other categories.
Prudsys is leading in Shopping, Clothing, People & Society, Products & Shopping and 30 other categories.
Prudsys is leading in most countries, including Germany, Italy, Switzerland, Austria and 30 other countries.
Yahoo Search Marketing Analytics is leading in United States, Japan, Korea Republic, Taiwan and 17 other countries.