Photoslurp is leading in Top 100K Sites and Top 1M Sites.
w3roi has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Health, Computer & Electronics and 30 other categories.
Photoslurp is leading in Shopping, Clothing, Jewelry, Sports and 8 other categories.
Photoslurp is leading in most countries, including Spain, Netherlands, United Kingdom, Switzerland and 7 other countries.
w3roi is leading in United States, China, India, Russia and 5 other countries.