Over time, the HTML language programming have been significantly changed (HTML5 standard was issued in 2014). There is number of data contents management systems(redaction systems, wiki based systems) to create your web, such as:
However, it is still usefull to become familiar with fundamentals of HTML as you can customize your contents and HTML gives you also good insight into principles of other markup languages (XHTML,Texy) and data structures such as XML,e.g.