In terms of market share, Observer is clearly lagging behind, losing to PublishFlow in all segments.
Observer has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Computer & Electronics, Internet & Telecom and 29 other categories.
PublishFlow is leading in Music & Audio.
Observer is leading in most countries, including Russia, United States, China, United Kingdom and 6 other countries.
PublishFlow is leading in Canada.