Prudsys is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Prudsys has better usage coverage in more websites categories. Including Shopping, Clothing, Business & Industry, People & Society and 46 other categories.
Vizzit is leading in Science, Social Sciences, Government, Law & Government and 17 other categories.
Prudsys is leading in most countries, including Germany, Switzerland, Italy, Austria and 31 other countries.
Vizzit is leading in Sweden, Sudan, Malaysia and Bulgaria.