How Does The Internet Work?
In this section, you will learn how a client (web browser) requests a web page from a server (a computer in a data center). Web pages are programmed using HTML code. Writing HTML is quite easy and is similar to writing an email or essay with a bit of code mixed in.
The topics client-server interaction and HTML are fundamental for any website. So, understanding these basics is beneficial when building websites regardless of whether you're using tools or writing code. It will help you see things in context and a bigger picture.
It will also help you understand the differences between different tools and approaches so that you can pick a technology that suits you. Tools are also just cooking with water, meaning they generate HTML code under the hood. So, you might get the most out a tool by knowing the underlying principles and technologies.
All in all, if you care about building the best possible experience for your visitors, you should learn about the web platform as a whole.