Every HTML follows a structure so that a browser is able to read the page. To summarize, it always starts with an <html> tag. This tag will contain the <head> tag and the <body>tag. Let's create our first page so you can understand.
To create our first page. Click on File | New File or Command + N (or Ctrl + N for Windows).
You now have an untitled file. Let's quickly save and name it by clicking File | Save or Command + S (or Ctrl + S for Windows) and name it index.html.
Why name it index.html? Because the index.html page is the common name used for the default page shown on a website by default when a visitor requests the site. In other words, index.html is basically the name used for the homepage of the website.
Now that we have our first HTML file, we have to put the essential tags in to make it work. The essential tags should be written as follows:
<html> <!--This is our HTML main tag-->
<head> <!--This is our...