In terms of market share, Vertster is clearly lagging behind, losing to WebProspector in all segments.
WebProspector has better usage coverage in more websites categories. Including Business & Industry, Marketing & Advertising, Internet & Telecom, Arts & Entertainment and 23 other categories.
Vertster is leading in Search Engine.
WebProspector is leading in most countries, including Germany, United States, Austria, France and 7 other countries.
Vertster is leading in China.