Prudsys is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Online Marketing, Health and 19 other categories.
Prudsys is leading in Shopping, Clothing, Consumer Electronics, Office Products and 3 other categories.
Prudsys is leading in most countries, including Italy, Denmark, Germany, Poland and 6 other countries.
Zeta Search is leading in United States, India and Canada.