Blueshift is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Observer has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Computer & Electronics, Internet & Telecom and 22 other categories.
Blueshift is leading in Shopping, Career & Education, Real Estate, Education and 17 other categories.
Blueshift is leading in most countries, including India, United States, United Kingdom, Sweden and 15 other countries.
Observer is leading in Russia, Germany, Montenegro, Netherlands and 10 other countries.