httppool is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, Clothing, Consumer Electronics, Beauty & Fitness and 69 other categories.
httppool is leading in Arts & Entertainment, News & Media, People & Society, Business & Industry and 57 other categories.
Shopzilla is leading in most countries, including United States, United Kingdom, India, Canada and 30 other countries.
httppool is leading in Bulgaria, Serbia, Macedonia, Slovenia and 17 other countries.