Broken cell headers
ID reference
Accessibility Checkpoint
Description
Each ID in headers
must reference a th
cell in the same table.
Help
The headers
attribute references a non-existent ID, or references an element which isn’t a th
element in the same table, or references itself.
Applicable standards
- ACT Rules a25f45
- WCAG 2.0 F90 (Success Criteria: 1.3.1 level A)
- WCAG 2.1 F90 (Success Criteria: 1.3.1 level A)
- WCAG 2.2 F90 (Success Criteria: 1.3.1 level A)
- Section 508 (2017) F90 (Success Criteria: 1.3.1 level A)
Note: Section 508 Refresh (2017) checkpoints are equivalent to WCAG 2.0 level A and level AA checkpoints.
Change history
- 6.47 Dec 2022 No longer fires if non-table ARIA role applied to table element.
- 6.40 Jan 2021 Improved detection.
- 5.37 May 2020 Aligned with ACT Rules.
- 5.8 Mar 2015 Added.
This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.
Rule ID: AccWcag2-F90-1