01. What is SEO
Introduction
Section titled “Introduction”SEO (Search Engine Optimization) is the practice of optimizing websites to improve their visibility in search engine results. While SEO involves many factors, HTML structure and semantic markup play crucial roles. Understanding SEO helps create websites that are discoverable, accessible, and perform well in search rankings.
What is SEO?
Section titled “What is SEO?”SEO involves:
- On-page optimization: HTML structure, content, meta tags
- Technical SEO: Site speed, mobile-friendliness, crawlability
- Content quality: Relevant, valuable content
- User experience: Fast loading, easy navigation
HTML’s Role in SEO
Section titled “HTML’s Role in SEO”Semantic HTML
Section titled “Semantic HTML”<!-- Good: Semantic structure --><article> <h1>Article Title</h1> <p>Content...</p></article>
<!-- Avoid: Non-semantic --><div> <div>Title</div> <div>Content</div></div>Meta Tags
Section titled “Meta Tags”<head> <title>Page Title</title> <meta name="description" content="Page description"></head>Heading Hierarchy
Section titled “Heading Hierarchy”<h1>Main Title</h1><h2>Section</h2><h3>Subsection</h3>Key Factors
Section titled “Key Factors”Content Quality
Section titled “Content Quality”- Relevant, valuable content
- Proper keyword usage
- Regular updates
Technical Factors
Section titled “Technical Factors”- Fast page load
- Mobile-responsive
- Proper HTML structure
User Experience
Section titled “User Experience”- Easy navigation
- Accessible design
- Clear structure
Best Practices
Section titled “Best Practices”Use Semantic HTML
Section titled “Use Semantic HTML”<article> <header> <h1>Title</h1> </header> <p>Content</p></article>Optimize Meta Tags
Section titled “Optimize Meta Tags”<title>Descriptive Page Title</title><meta name="description" content="Clear description">