How and where to implement the AggregateRating schema?

[BrianAlpert78]

I've been trying to wrap my head around marking up various bits of information for a local business website, and I want to make sure I understand a few things.

• If I understand Google's schema guidelines, marked up reviews should only appear on the page of a specific product, not every page, and _definitely _not the homepage, correct? Does this also mean that the LocalBusiness schema that is on every page should **not **use the AggregateRating parameter? And if the AR is only to be put on certain pages, what page should it go on if the business in question provides a service rather than selling specific products? In other words, situations where the local business _itself _is the "product" being reviewed/rated.

• Individual reviews cannot be taken from 3rd party sites (GMB, Facebook, Yelp, etc) and posted on your website with capital R Review schema (http://schema.org/Review). That markup is only to be used for reviews that have been generated on/for your site specifically. Does this also mean that the numbers used to calculate an AggregateRating have to be unique as well? In other words, if there are 10 reviews of your business on Facebook that average at 4.5/5, you can't take those individual reviews and post them on your site as marked up Reviews. But can you use that "4.5/5 based on 10 reviews" information in the AggregateRating schema?

• Can AggregateRating scores include ratings from different sources? In other words, if there were 10 ratings on Facebook and 20 on Yelp, could the AggregateRating be marked on the website as "__/5 based on 30 ratings"?

If I can simply take the numerical average and pop that into the LocalBusiness JSON markup that goes on every page automatically, alongside the other basic business info like name, phone number, and address, this will make things much easier.

Thanks!

[BrianAlpert78]

That helps some, but there are a few things I'm a little unclear about. Thanks though!

[David-Kley]

In looking up some stuff to answer that question, I found these requirements: 1. Ratings must be sourced directly from users.
2. Don't rely on human editors to create, curate or compile ratings information for local businesses. These types of reviews are critic reviews.
3. Sites must collect ratings information directly from users and not from other sites.Here are the guidelines: https://developers.google.com/search/docs/data-types/review#review-snippetsDoes this help?