Market Share by Top Websites

1 WebProspector is leading in Top 100K Sites and Top 1M Sites.

2 In terms of market share, Observer is clearly lagging behind, losing to WebProspector in all segments.

Websites Categories

1 WebProspector has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Computer & Electronics and 41 other categories.

2 Observer is leading in People & Society, Web Design, Travel, Photography and 12 other categories.


1 Observer is leading in most countries, including United States, Russia, China, Brazil and 8 other countries.

2 WebProspector is leading in Germany, Austria, Netherlands, Switzerland and 7 other countries.