If you look at the full form it says “Hypertext Mark-up language”. It’s a client side language that means the only the browser knows how to render HTML pages.
It is primarily used to control the actions of a machine.
Many thousands of this languages are being developed each year.
Usually, it is split into two components (semantics and the syntax).
In short, a programming language is mainly a notation that helps to write programs identified as an algorithm.
They don’t consider it essential for becoming a successful web developer.
No wonder, it stands tall and has made its position at the top in the popularity charts on Github web development languages projects.
A markup language is an artificial language that uses annotations to text that define how the text is to be displayed.
It is a reflective object-oriented programming language.
Curl is an object-oriented programming language supporting multiple inheritance.
Hypertext Markup Language, abbreviated as HTML, is the most prominent markup language that is used for web pages.
HTML tags describe the appearance of the text in a document and can be embedded into certain other code to affect the web browser behavior.
HTML uses the SGML default syntax.