[wp-trac] [WordPress Trac] #45102: Accessibility Issue: id attribute value must be unique

WordPress Trac noreply at wordpress.org
Thu Oct 18 08:56:27 UTC 2018

#45102: Accessibility Issue: id attribute value must be unique
 Reporter:  picru                                |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  reopened
 Priority:  normal                               |   Milestone:  Awaiting
                                                 |  Review
Component:  Posts, Post Types                    |     Version:  4.9.8
 Severity:  normal                               |  Resolution:
 Keywords:  dev-feedback 2nd-opinion reporter-   |     Focuses:
  feedback                                       |  accessibility

Comment (by knutsp):

 (This ticket is not about duplicate `id` attributes.)

 In my Twenty Fifteen theme the `article` element has identical `class` and
 `id` attribute values. I guess a lot of themes does the same (not

 If this is reported as an error by an accessibility audit, then that could
 be a false positive.

 If this is a problem for an assistive tool, however, then the problem is
 real, but as far as I know and can find, there is no formal restriction on
 `class` attributes that say it should not be equal to an `id` attribute
 value. Those attributes live in separate name spaces.

Ticket URL: <https://core.trac.wordpress.org/ticket/45102#comment:4>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform

More information about the wp-trac mailing list