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, Business & Industry, People & Society, News & Media and 68 other categories.
Shopzilla is leading in Shopping, Clothing, Consumer Electronics, Beauty & Fitness and 65 other categories.
httppool is leading in most countries, including Bulgaria, Serbia, Slovenia, Macedonia and 32 other countries.
Shopzilla is leading in United States, Canada, Italy, Nepal and 12 other countries.