How does the usage of th elements impact table accessibility and SEO?

It designates table headers, enhancing screen reader interpretation.
It enhances the speed of table rendering.
It helps in applying background colors to tables.
It transforms table data into bold text.

The th element is used to define a header cell in an HTML table. By properly using th for headers, we ensure that screen readers and search engines understand the context and structure of the table content, which improves accessibility for users relying on screen readers and helps search engines index table content correctly. The semantic clarity provided by the th element is especially important in complex tables with multiple levels of headers.

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