i-system is leading in Top 100K Sites.
Summer Cart has better usage coverage in more websites categories. Including Shopping, Business & Industry, Arts & Entertainment, Clothing and 98 other categories.
i-system is leading in Pets & Animals, Pets, Animal Products & Service, Jobs & Employment and 3 other categories.
Summer Cart is leading in most countries, including Bulgaria, Turkey, Romania, United Kingdom and 20 other countries.
i-system is leading in Poland, Greece, Malaysia, Japan and 4 other countries.