This document discusses 6 hacks for retailers to improve their Google Shopping feed performance. Hack #1 suggests using 150-character titles to better describe products. Hack #2 is to ensure alternative landing pages redirect to the same website. Hack #3 promotes best sellers at scale. Hack #4 targets upper funnel keywords like "living room furniture". Hack #5 structures product simulations. Hack #6 involves testing increased bids and title changes to break through.