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 68 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, Slovenia, Macedonia and 34 other countries.
Shopzilla is leading in United States, Canada, United Kingdom, Australia and 13 other countries.