Retailers have new ways to control how their products appear in Google search results through the use of robots meta tags and an HTML attribute.
These new methods of marking up product pages allow retailers to customize search snippets according to their preferences.
Retailers can already use schema.org markup or Google Merchant Center to specify how they want their product to appear in search results.
However, Google may choose to display other on-page content it finds through regular crawling.
That’s why some retailers may want greater control over how their product information appears.
Here are some ways retailers implement controls to limit products and product data from being displayed on Google.
Source - Read More: www.searchenginejournal.com