Screen reader dependent user will be impacted if blank column headers are defined on the table. They get no information about that column.
Microsoft Edge Version 105.0.1343.33 (Official build) (64-bit)
OS version (OS Build 22000.856)
1. Open the given URL in Edge .
2. Enable Narrator using 'Ctrl+ Win + Enter' key.
3. Navigate to the table present Aggregate page. And navigate to the column headers.
4. Observe whether Blank column header is defined on the table or not.
Blank column header should not be defined on the table present on Aggregates page.
The narrator only reads its position.
Appropriate name should be defined for the blank column header is defined on the table present on Aggregates page.
The narrator should also announce the same.
Same issue is observed on similar tables defined on the page.