Without html web can’t exist it’s a basic language for web pages. Basically it’s a markup language. This is very simple, self-expressive format. Html uses tags to store web page related information. There are no pre-requisite to learn this course. This is entry level course who wants to dive into designing and web developing field.
So leaning above topics, you would be able to create simple static websites, which represents textual and basic graphic information. There are still more to know about html. There are many practice resource available on internet. W3c is the best website for it. Go to http://www.w3schools.com/html/