What is the purpose of using semantic HTML?

The purpose of using semantic HTML is to give meaning to the content of web pages, which significantly enhances both accessibility and search engine optimization (SEO). Semantic HTML utilizes specific HTML elements that clearly define the role of the content enclosed within them. For instance, using header tags for headings, article tags for standalone content, and nav tags for navigation helps browsers, screen readers, and search engines understand the structure and importance of the content.

This improved understanding aids in making web pages more accessible to users with disabilities who rely on assistive technologies, which can interpret semantic tags to better convey information. Additionally, search engines utilize these tags to index content accurately, potentially leading to improved rankings in search results as they can better determine the relevance of the content to specific queries.

While the other options touch on valid factors, they do not address the core functionality and benefits of semantic HTML as effectively as the correct answer does. For instance, while semantic HTML may contribute to better loading speeds or a reduced number of errors indirectly through improved structure, those are not its primary purposes. The focus on enhancing accessibility and SEO effectively captures the essence of why semantic HTML is essential in web development.