If you access the page (https://auto.ndtv.com/honda-bikes/grazia) and run it through the structured data testing tool (https://search.google.com/structured-data/testing-tool) you will see that the page includes four types of structured data. The relevant one is Product, and it has 12 warnings: the markup uses datePublished, reviewBody, author, and ...
Google can stop showing rich results for returned webpages for any number of reasons but most of the time Google will allow valid rich results to happen in some SERPs. I would only worry about Hypotheses 5, 6, 8 as the other ones are easily debunked, but there are a couple of others you left out. For instance, on March 5, Google Developers updated their ...
Here is some info:
Google's Knowledge Graph cards are affected by Schema.org structured data, which can be written in JSON-LD. This is where you put your Corporation. Google takes this as a hint.
Facebook's Open Graph cards are affected by Open Graph tags, which are a separate standard. It's a much simpler standard, and for the most part it's just for ...
According to the guide of Google to Revew:
Aggregate ratings: An aggregate evaluation of an item by many people should be marked up as a AggregateRating.
and then they inform us:
Refer clearly to a specific product or service. Do this by nesting the review or ratings within the markup of another schema.org type—such as schema.org/Book or schema.org/...
For the product rating, should I consider rating for all five sellers
in total? If yes, then ratings displayed on SERP is different that
that on the page. It will break Google's guidelines and Google might
give a penalty.
You have here three possibilities:
to rate only the product. In this case there is only one single rating and it will have chances ...
In order to display the latest articles in the special section on Google when people search for your site, you need to have a structured data set for your articles. A proper guideline can be found at: https://developers.google.com/search/docs/data-types/article
For both of Google’s review features, critic reviews and review snippets, the documentation is the same regarding how the review(s) and the reviewed item should be linked:
Refer clearly to a specific product or service. Do this by nesting the review or ratings within the markup of another schema.org type—such as schema.org/Book or schema.org/LocalBusiness ...
You can nest a Review as part of the Local Business. You would need to wrap the review data in a Review schema inside the Local Business schema data.
Like the comment said, Google may not show the star rating.
Two things here:
First, like Rich Snippets, Rich Cards aren't guaranteed even if your code is perfect. Moreover, Rich Cards were only launched globally in May 2016, and then only for recipe- and movie-related content returned in google.com.
We’re starting to show rich cards for two content categories: recipes
and movies. They will appear initially on ...
This question has been asked before, see the link below.
Basically, Google does not guarantee that Rich Snippets will show up for search results.
Some reasons could be
Marked-up data is potentially misleading.
Marked-up data is incorrect and the testing tool was not able to catch.
Marked-up content is hidden from the user.
The site has very few pages or ...