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Semantic Markup for Future-proofing your Web Site
Semantic Markup stands for the process of creating HTML code that does what it says that it does.
For example, a table should be used to display tabular data. If, however, a table is used for page layout, screen readers and other assistive devices will not be able to provide clear information about the content.
Another example is the use of a definition term. It is possible to use the markup “dt” to emphasize text, i.e., make the text bold. However, this would be confusing to a visitor who is using a screen reader, because a definition term should be inside a definition term tag.
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