19.9% of top-1M local business homepages with schema (3,331 of 16,721) include AggregateRating markup, the kind of self-serving rating Google says it won't show as stars, and 15.8% carry it with no Product markup on the page.
Source: PageSpeed Matters. HTTP Archive crawl, Sept 2026, mobile, top 1M local business homepages with schema.
Types on the same homepage, not nesting, so not every rating is proven to describe the business.
Source: 1 in 5 Local Business Homepages Hide Star Ratings in Their Code - PageSpeed Matters