Some time ago I added rich snippets to product pages on an ecommerce website, but they have not shown in Google and the testing tool returns the following error:Warning: In order to generate a preview with rich snippets, either price or review or availability needs to be present.I know rich snippets are not guaranteed to show in Google, but the warning in the tool makes me think I have a problem, since if I put some other sites into the tool, they don't show the warning.Here's a sample page and the results:Extracted structured datahproductdescription: Jeremy Waltons new BMW 3 Series Enthusiasts Companion is the only book youll ever need about BMWs most popular line. BMW 3 Series Enthusiast's Companion discusses the roots of the... fn: BMW 3 Series Enthusiast's Companion photo: http://www.computeroutpost.com.au/store/thumb.ashx?code=RB-GBM3 identifier:  type: ISBN value: 0837602203 price: 37.40 currency: AUD Warning: In order to generate a preview with rich snippets, either price or review or availability needs to be present.
Rich snippets for hproduct not being displayed in Google, and returning error
google search;rich snippets;google rich snippets tool;microformats