Supported formats Google Lookup supports structured information in the following formats, Until documented otherwise. Normally, we propose employing a format which is least difficult so that you can implement and sustain (usually, which is JSON-LD); all three formats are equally good for Google, as long as the markup is valid https://bookmark-vip.com/story18700741/the-smart-trick-of-easy-json-schema-that-nobody-is-discussing