Star Rating
A star rating is a 1-to-5 score that summarises how customers feel about a product or store at a glance, most often shown as filled and empty stars.
What a star rating is
A star rating condenses many individual reviews into one number, usually on a five-point scale, displayed as stars. An aggregate star rating is the average of every review’s score for that product or store. It is the fastest signal a shopper reads before deciding whether to look closer.
Why star ratings matter
Star ratings do a lot of work in very little space. They appear on product cards, in search results as rich snippets, and in ads as seller ratings. A visible, credible rating raises click-through and lowers the perceived risk of buying, especially for shoppers who will not read the full reviews.
How the rating is calculated
The aggregate is the mean of all published review scores. Most platforms also show the distribution, how many reviews sit at each star level, so shoppers can see whether a 4.5 comes from consistent praise or a split of extremes.
Frequently asked questions
Is a perfect 5.0 rating good?
Not always. A flawless score across many reviews can read as filtered or fake. A rating in the 4.2 to 4.8 range with genuine variation usually feels more trustworthy.
How do star ratings show up in Google?
With review schema in place, Google can display your star rating as a rich snippet under the listing. See Review Schema.