Knowledge Networks is leading in Top 10K Sites and Top 100K Sites.
Knowledge Networks has better usage coverage in more websites categories. Including People & Society, News & Media, Food & Drink, Arts & Entertainment and 15 other categories.
PriceGrabber is leading in Shopping, Business & Industry, Computer & Electronics, Health and 10 other categories.
PriceGrabber is leading in most countries, including United States, United Kingdom, Mexico and Japan.
Knowledge Networks is leading in France and Algeria.