h-review-aggregate
This article is a stub. You can help the microformats.org wiki by expanding it.
This page is a placeholder for the h-review-aggregate specification, an upgrade of hReview-aggregate to microformats2. Please refer to the #Todo section.
<entry-title>h-review-aggregate</entry-title> h-review-aggregate is a simple, open format for embedding review information (of products, services, businesses, etc). Whereas h-review is intended for an individual review, h-review-aggregate is meant for summary information about a collection of user or critic reviews about an item.
h-review-aggregate is one of several open microformat draft standards suitable for embedding data in HTML and is the microformats2 update to hReview-aggregate.
- Status
- This is a Draft Specification.
- Participate
- IRC: #microformats on Freenode
- License
- Per CC0, to the extent possible under law, the editors have waived all copyright and related or neighboring rights to this work. In addition, as of 2024-11-28, the editors have made this specification available under the Open Web Foundation Agreement Version 1.0.
Example
Here is a simple example showing aggregate review information for a restaurant:
Properties
Proposed Properties
Proposed properties from hReview-aggregate awaiting citations of publishing and consuming examples.
p-item
- Required: the thing been reviewed, including embedded microformat for e.g. business or person (h-card), event (h-event), place (h-adr or h-geo), product (h-product), website, url, or other item (h-item).p-rating
- Required: the fixed point integer [1.0-5.0] of the average rating (5.0 best)p-best
- Optionally define best rating value. can be numerically lower than worst.p-worst
- Optionally define worst rating value. can be numerically higher than best.p-count
- the total number of reviewsp-votes
- the total number of users who have rated the product or service, contributing to the average rating. For some sites, the number of votes is equal to the number of reviews, socount
may be used and this property omitted.p-name
- This optional property can be the title for the review collection or a very short summary of the consensus opinion from the collection.
Property Details
Examples in the wild
Validating
Test and validate microformats2 markup in general with:
- https://pin13.net/mf2/ - enter your markup directly
- https://pin13.net/ - enter a URL to a page to test where it says "Microformats Parser"
Implementations
Backward Compatibility
Todo
Tasks for this page.
In summary:
- copy h-review
- use root class name "h-review-aggregate" instead of "h-review"
- add "p-count", "p-votes" properties as defined in hReview-aggregate
- prune set of properties to those listed in hReview-aggregate
- change backcompat parsing for root class name to "hreview-aggregate"
- change backcompat parsing property class names to those listed in hReview-aggregate