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, Computer & Electronics, Marketing & Advertising and 10 other categories.
PriceGrabber is leading in most countries, including United States, Canada, Argentina, Netherlands and 3 other countries.
Knowledge Networks is leading in France, Singapore and Tunisia.