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 Shopping, Business & Industry, Health, Computer & Electronics and 10 other categories.
Knowledge Networks is leading in most countries, including Canada, Israel, Japan, South Korea and 23 other countries.
PriceGrabber is leading in United States, United Kingdom and Puerto Rico.