"When an advertiser bids 1 euro per click via Google, only 80 cents of that will go into the auction. Via a Google CSS partner 100% of the money will go into the auction. This means a bid increase of 25% without extra bidding."
Comparison sites in Google shopping results
Since 2007 it has been possible for comparison sites approved as CSS Partner of Google to appear in search results of Google Shopping:
The set-up consists of 3 simple steps:
Add webshop directly: