Google has up to date its overview snippet structured knowledge assist documentation to suggest utilizing dot separators in numerical overview values over comma separators in numerical overview values. Each dots and commas will work, however Google is recommending the dots over the commas.
Google added this paragraph twice as soon as for the reviewRating.ratingValue property and as soon as for the ratingValue property:
For decimal numbers, use a dot as a substitute of a comma to specify the worth (for instance 4.4 as a substitute of 4,4). In Microdata and RDFa, you should use content material attributes to override the seen content material. That means, you’ll be able to present the consumer no matter fashion conference you need, whereas additionally satisfying the dot requirement for structured knowledge. For instance:
Google mentioned that in case you are at present utilizing comma separators for decimal rankings in your markup, you may nonetheless be eligible for overview snippets. Nonetheless, Google now recommends that you simply replace your markup for a extra correct interpretation.
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