The W3C Process mentions the W3C horizontal Groups, described in this document.

What is an horizontal group ?

An horizontal group is tasked to regularly produce expert reviews of proposals and specifications under development by other Working Groups and Community Groups, and of charters for other W3C groups. It may also produce expert reviews of proposals and specifications produced outside of W3C.

List of W3C Horizontal Groups

As of November 2024, there are 5 W3C horizontal groups:

Other Horizontal Groups

Some expert groups outside of W3C may also provide an horizontal review. Charters of W3C Working and Interest Groups should explicitly list the relevant expert groups if an horizontal review is expected from them.

Horizontal Reviews`

Horizontal reviews are documented and part of the wide review.


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