In terms of market share, Partner-Ads is clearly lagging behind, losing to Shopzilla in all segments.
Shopzilla has better usage coverage in more websites categories. Including Shopping, Arts & Entertainment, Computer & Electronics, Consumer Electronics and 53 other categories.
Partner-Ads hasn't got a lead over Shopzilla in any websites category.
Shopzilla is leading in most countries, including United States, Canada, Russia, United Kingdom and 20 other countries.
Partner-Ads is leading in Denmark.