httppool is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
httppool has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, Business & Industry, People & Society and 69 other categories.
Shopzilla is leading in Shopping, Clothing, Consumer Electronics, Beauty & Fitness and 67 other categories.
httppool is leading in most countries, including Bulgaria, Serbia, Macedonia, Slovenia and 25 other countries.
Shopzilla is leading in United States, United Kingdom, Italy, Canada and 12 other countries.