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Feed Quality as Foundation
Google Shopping and Performance Max campaigns depend entirely on product feed data. Merchant Center diagnostics should be reviewed weekly, unresolved errors compound into significant lost impression share.
Product Title Optimization
Front-load titles with brand, product type, key attributes (size, color, material), and model number. Google recommends 150 characters; most display truncates earlier. Avoid ALL CAPS and promotional text ('FREE SHIPPING') in titles, use structured attributes instead. A/B test title formulas by category; electronics benefit from model numbers, apparel from color and size upfront.
Required and Recommended Attributes
GTIN/MPN/brand completeness unlocks full eligibility, products without identifiers face limited visibility. Google product category taxonomy must be accurate for query matching. Custom labels (0-4) enable campaign segmentation by margin, seasonality, or performance tier without changing product data structure.
Feed and Site Consistency
Price and availability in feeds must match landing pages exactly. Mismatches trigger disapprovals and erode trust. Automated feed sync from ecommerce platform to Merchant Center reduces manual errors. Sale price annotations require valid date ranges and corresponding on-site pricing.
Free Listings and Organic Shopping
Optimized feeds power both paid Shopping ads and free product listings in Google Shopping tab and Search. SEO and PPC teams should collaborate on feed quality, it's a shared asset. Structured product schema on site pages reinforces feed data for organic rich results.