According to the dictionary, semantics refers to the correct interpretation of the meaning of a word or sentence. To use a word semantically is to use it in a way that is properly aligned with the meaning of the word. When we misuse a word we are not using it semantically. Many HTML tags have semantic meaning. That is, the element itself conveys some information about the type of content contained between the opening and closing tags such as "div" or "header" tags.
In 1998 the US Congress amended the Rehabilitation Act to require Federal agencies to make their electronic and information technology accessible to people with disabilities. Section 508 was enacted to eliminate barriers in information technology, to make available new opportunities for people with disabilities, and to encourage development of technologies that will help achieve these goals. There are several qualifications and requirements that help aid people with disabilities.
Search Engine Optimization
Search engine optimization (SEO) is the process of maximizing the number of visitors to a particular website by ensuring that the site appears high on the list of results returned by a search engine. results. The higher and more frequently a site appears in the search results list, the more visitors it will receive from the search engine's users.
How They Interrelate
These three concepts are used in order to rank and organize search engine results for web pages. A page with a well written semantic markup will appear earlier in search engines through the use of Search Engine Optimization. Moreover, if the semantic markup is written properly, the website can be classified as Section 508 accessible,which will make your webpage accessible to people with disabilities since the page can properly read your semantic markup.