All places HTML is used
Meaning
HTML stands for Hypertext Markup Language and is an mark-up language used to create and structure web documents. In other words it is used to create webpages on the internet.
SEO
HTML is used to structure pages for Search Engine Optimization (SEO) which is how easy it is for a search engine to index and rank a certain page. Proper HTML structure and tags, like title and meta description tags, can help the search engine understand the page content and rank it better.
Security
In terms of security, HTML is very secure, as long as it is implemented with caution. The structure of the document can help prevent cross-site scripting and other malicious attacks.
Privacy
HTML can also help with privacy, by providing means to encrypt data stored on the website, and secure it against unwanted access.
User experience
HTML is an important part of providing a good user experience. The webpage layout, functionalities, and aesthetics all depend on the HTML code.
Marketing
HTML is also used to improve website marketing. Using HTML, JavaScript, and CSS to create engaging visual elements can help draw more attention to the website and get a better conversion rate.