HTML
What is HTML?
Hypertext Markup Language is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets and scripting languages such as JavaScript. - extrated from offical website or Wikipedia.
Visit HTML Website - in a new tab.Introductory video.
What is HTML5?
Here you can learn HTML:
HTML5 Developer Guides - https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/HTML5
Happy learning!
Feel free to contact me if I can help you with something related to this technology or if you want to have a nice conversation about it.