In terms of market share, Observer is clearly lagging behind, losing to w3roi in all segments.
Observer has better usage coverage in more websites categories. Including Business & Industry, Computer & Electronics, Arts & Entertainment, People & Society and 20 other categories.
w3roi is leading in Internet & Telecom, Health, Career & Education, Online Marketing and 19 other categories.
w3roi is leading in most countries, including China, India, Canada, Turkey and 6 other countries.
Observer is leading in Russia, United Kingdom, Norway, Lao and 5 other countries.