We’re seeing more and more types of devices connecting to the web, and semantic HTML can help these devices display your content in a more usable way to their owners. Using schema.org vocabularies with microdata can make your pages display better in search results:
Apple WatchOS also optimises display of items wrapped in
elements:
You probably know that HTML5 greatly increased the number of different types, for example on a mobile device shows a keyboard with the “@” symbol and “.” Semantic HTML will give usability benefits to many users, help to future-proof your work, potentially boost your search engine results, and help people with disabilities use your site.