3DStats is leading in Top 1M Sites.
3DStats has better usage coverage in more websites categories. Including Business & Industry, Shopping, Arts & Entertainment, Health and 75 other categories.
Observer is leading in Computer & Electronics, Internet & Telecom, Software, Marketing & Advertising and 11 other categories.
3DStats is leading in most countries, including United States, United Kingdom, India, Australia and 17 other countries.
Observer is leading in Russia, Mexico and Japan.