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, Arts & Entertainment, Food & Drink and 13 other categories.
PriceGrabber is leading in Business & Industry, Shopping, Health, Computer & Electronics and 10 other categories.
Knowledge Networks is leading in most countries, including Canada, France, Israel, Japan and 21 other countries.
PriceGrabber is leading in United States, United Kingdom and India.