WebProspector is leading in Top 1M Sites.
WebProspector has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 43 other categories.
Zeta Search is leading in Motorsports, Real Estate, Education, Universities & Colleges and 5 other categories.
WebProspector is leading in most countries, including Germany, Austria, Netherlands, Switzerland and 9 other countries.
Zeta Search is leading in United States, Canada, India and Philippines.