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, People & Society and 24 other categories.
PublishFlow is leading in TV & Video.
Observer is leading in most countries, including United States, United Kingdom, Russia, Germany and 9 other countries.
PublishFlow is leading in Canada.