Introduction
SEO (Search Engine Optimization) helps your pages rank higher on Google. HTML plays a major role in how search engines read and understand your site. These are the essential SEO best practices every developer should use.
1. Page Titles (Very Important)
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Each page must have a unique, descriptive title.
2. Meta Description
Used in Google search previews.
3. Use Semantic HTML
... ...
Semantic tags help search engines understand page structure.
4. Heading Structure
- Only ONE
<h1>per page - Use
<h2>,<h3>logically
5. Alt Text for Images
6. SEO-Friendly URLs
/tutorials/python-basics.html
/tutorials/css-grid-layout.html
7. Robots Control
8. Use Open Graph + Twitter Tags (Social SEO)
9. Sitemap.xml
This helps Google crawl your entire site.
/sitemap.xml
10. Mobile-Friendly Viewport
11. Page Speed Optimization
- Compress images
- Use caching
- Minify CSS/JS
- Load scripts async or defer
12. Internal Linking
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Link related content to keep users exploring.
13. Avoid Duplicate Content
Duplicate pages confuse search engines.
Use rel="canonical" tag to point to original content.
14. Schema.org Structured Data
Helps Google classify your content (articles, products, recipes).
15. Avoid Broken Links
Google penalizes 404-heavy sites.
Summary
- Unique titles + meta descriptions
- Use semantic HTML
- Correct heading hierarchy
- Image alt text
- Responsive design
- Fast loading pages
- Structured data for Google
- Clean URLs
- Social preview tags
- Sitemap + robots correct setup