Ghostery is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Ghostery has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Business & Industry and 76 other categories.
Kelkoo hasn't got a lead over Ghostery in any websites category.
Ghostery is leading in most countries, including United States, Canada, Mexico, Russia and 34 other countries.
Kelkoo is leading in Czech Republic, Denmark, Italy, Austria and 2 other countries.