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HTML

The language for building web pages

Learn HTML HTML Reference

HTML Example:

<!DOCTYPE html>
<html>
<head>
<title>HTML Tutorial</title>
<body>
<h1>This is a heading</h1>
<p>This is a paragraph.</p>
</body>
</html>

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CSS Example:

body {
  background-color: lightblue;
}
h1 {
  color: white;
  text-align: center;
}

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CSS

The language for styling web pages

Learn CSS CSS Reference

JavaScript

The language for programming web pages

Learn JavaScript JS Reference

JavaScript Example:

<button onclick="myFunction()">Click Me!</button>

<script>
function myFunction() {
  let x = document.getElementById("demo");
  x.style.fontSize = "25px";
  x.style.color = "red";
}
</script>

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Python Example:

if 5 > 2:
print("Five is greater than two!")

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Python

A popular programming language

Learn Python Python Reference

SQL

A language for accessing databases

Learn SQL SQL Reference

SQL Example:

SELECT * FROM Customers
WHERE Country='Mexico';

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Latest from the Blog

Top 10 Web Development Trends in 2026

How to Start Your Career as a Full-Stack Developer

Why Python is the Best Language for Beginners