What attribute should be used for each TH cell in simple tables if Header and ID attributes are not provided?

The use of the "scope" attribute for each TH cell in simple tables is essential for providing structure and clarity to the data presented in the table. The scope attribute specifies whether the header cell applies to a row, column, or group of rows or columns, enhancing the accessibility of the table for screen reader users. By indicating the relationship between the header and the data cells it corresponds to, the scope attribute allows assistive technologies to convey the context of the data accurately to users, promoting better understanding of the information presented.

Using the scope attribute is particularly important when the more explicit header and ID attributes are not available, as it helps maintain the accessibility and semantic meaning of the table structure. This is crucial for individuals who rely on assistive devices, ensuring that they can navigate and comprehend the table’s content effectively.

The other attributes listed—title, summary, and label—do not serve the same purpose in an accessible table context. While they may have their own uses in different scenarios, they do not specifically define the relationships between header cells and data cells in the way that the scope attribute does. Thus, focusing on using the scope attribute is key to maintaining effective and accessible tabular data.