Ghostery is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, People & Society, Arts & Entertainment, Business & Industry and 102 other categories.
Ghostery is leading in Autos & Vehicles, Finance, TV & Video, Car Buying and 33 other categories.
Shopzilla is leading in most countries, including India, Canada, Australia, Great Britain and 41 other countries.
Ghostery is leading in United States, Russia, Turkey, Colombia and 18 other countries.