HTML / HTML Basics
HTML Best Practices for Beginners
This tutorial covers best practices for writing HTML, helping you develop good habits and write cleaner, more efficient code.
Section overview
5 resourcesIntroduces the fundamental concepts of HTML, including elements, attributes, and basic document structure.
HTML Best Practices for Beginners
1. Introduction
This tutorial aims to guide you through best practices in writing HTML code. Following these practices will help you develop good habits, write cleaner, more efficient code, and make your code easier for others (and future you) to read and understand.
By the end of this tutorial, you will learn:
- HTML coding best practices
- How to write clean and efficient HTML code
- The importance of comments in HTML
Prerequisites: Basic knowledge of HTML
2. Step-by-Step Guide
2.1. Use Semantic HTML
Semantic HTML elements clearly describe their meaning in a human- and machine-readable way. Elements like <header>, <footer>, <article>, <section>, and <nav> make it clear what type of content is being contained.
Example:
<!-- Good -->
<article>
<h2>Blog Post Title</h2>
<p>Blog post content...</p>
</article>
<!-- Bad -->
<div>
<h2>Blog Post Title</h2>
<p>Blog post content...</p>
</div>
2.2. Always Close Tags
In HTML, it's crucial to close all tags you open. This helps avoid unexpected results or errors.
<!-- Good -->
<p>This is a paragraph.</p>
<!-- Bad -->
<p>This is a paragraph.
2.3. Use Lowercase Tag Names
HTML is case-insensitive, but it is a good practice to use lowercase for consistency and readability.
<!-- Good -->
<body>
<p>This is a paragraph.</p>
</body>
<!-- Bad -->
<BODY>
<P>This is a paragraph.</P>
</BODY>
3. Code Examples
Example 1: Using alt attribute in <img> tag
The alt attribute provides alternative information for an image if a user cannot view it.
<!-- Good -->
<img src="image.jpg" alt="A beautiful sunrise">
<!-- Bad -->
<img src="image.jpg">
Example 2: Using <title> in <head>
The <title> element is required in all HTML documents and it defines the title of the document.
<!-- Good -->
<head>
<title>Page Title</title>
</head>
<!-- Bad -->
<head>
</head>
4. Summary
In this tutorial, we have covered several best practices for writing HTML including the use of semantic HTML, always closing tags, using lowercase tag names, using the alt attribute in <img> tags, and the importance of a <title> in <head>.
For further learning, consider exploring more about HTML5 semantics and accessibility features.
5. Practice Exercises
Exercise 1: Create a semantic HTML document with a header, main section, and footer.
Exercise 2: Add an image to the document from exercise 1. Include an appropriate alt attribute.
Solutions:
<!-- Solution to Exercise 1 -->
<!DOCTYPE html>
<html>
<head>
<title>Exercise 1</title>
</head>
<body>
<header>
<h1>Header</h1>
</header>
<main>
<p>This is the main section</p>
</main>
<footer>
<p>Footer</p>
</footer>
</body>
</html>
<!-- Solution to Exercise 2 -->
<!DOCTYPE html>
<html>
<head>
<title>Exercise 2</title>
</head>
<body>
<header>
<h1>Header</h1>
</header>
<main>
<p>This is the main section</p>
<img src="image.jpg" alt="Description of image">
</main>
<footer>
<p>Footer</p>
</footer>
</body>
</html>
Tips for further practice: Once you're comfortable with these exercises, try to develop more complex HTML documents. Use different semantic tags, images, and other elements. Try to adhere to the best practices we've learned today.
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