Documentation - Product Schema
Frequently Asked Questions
Why is Google still rejecting some products?
Once you've marked up your site's content, Google will discover it the next time it crawls your site. Note that it can take some time — as much as several weeks — for rich snippets to appear in Google's search results, if they do choose to display rich snippets for your site.
Make sure that the microdata on your site matches what's in the feed file. You can verify this by comparing the page source for the product detail page to the microdata records. If the microdata and feed file match, then it typically means that you need to wait for Google to re-crawl your site. Also, be sure your Google Feed account is configured for automatic updates.
For more information, refer to Google's Rich Snippet FAQs.
Does Product Schema for NRO support LinkedIn?
Although we haven't tested Product Schema support for LinkedIn, it uses the same opengraph tags as FaceBook. LinkedIn typically uses title, description, image, and url tags. Here's an example of the page source from a test site: