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, Internet & Telecom, Computer & Electronics, Arts & Entertainment and 6 other categories.
Vertster is leading in Science.
WebProspector is leading in most countries, including Germany, Austria, United Kingdom, United States and 9 other countries.
Vertster is leading in Brazil and China.