In terms of market share, Vertster is clearly lagging behind, losing to Zeta Search in all segments.
Zeta Search has better usage coverage in more websites categories. Including Finance, Health, Autos & Vehicles, Motorsports and 4 other categories.
Vertster is leading in Search Engine, Internet & Telecom, Computer Hardware and Computer & Electronics.
Zeta Search is leading in most countries, including United States, India and Taiwan.
Vertster is leading in Australia and China.