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 Business & Industry, Internet & Telecom, Finance, Health and 17 other categories.
Vertster is leading in Computer & Electronics, Computer Hardware, Computer Security, Food & Drink and 6 other categories.
Zeta Search is leading in most countries, including United States, India, Brazil, China and 15 other countries.
Vertster is leading in Australia, Germany and United Kingdom.