index.html

<!DOCTYPE html>
<html>
  <head>
    <title>WEB1 - Welcome</title>
    <meta charset="utf-8">
  </head>
  <body>
    <h1><a href="index.html">WEB</a></h1>
    <ol>
      <li><a href="1.html">HTML이란 무엇인가</a></li>
      <li><a href="2.html">CSS</a></li>
      <li><a href="3.html">JavaScript</a></li>
    </ol>

    <h2>WEB</h2>
    <p>The World Wide Web (WWW), commonly known as the Web, is an information system where documents and other web resources are identified by Uniform Resource Locators (URLs, such as https://www.example.com/), which may be interlinked by hypertext, and are accessible over the Internet.[1][2] The resources of the WWW are transferred via the Hypertext Transfer Protocol (HTTP) and may be accessed by users by a software application called a web browser and are published by a software application called a web server.</p>

    <img src="beach.jpg" width="100%">
  </body>