About SEO Analyzer
Our SEO Analyzer helps you identify and fix common SEO issues in your HTML content. Get instant feedback on title tags, meta descriptions, headings, images, links, and more.
What We Check
- Title Tag: Length (50-60 chars optimal), presence, uniqueness
- Meta Description: Length (150-160 chars optimal), presence
- Headings: H1 count (should be exactly 1), H2-H6 structure
- Images: Alt text presence, accessibility
- Links: Internal vs external links, broken links
- Content: Word count, reading time, keyword density
- Open Graph: Social media meta tags
- Canonical URL: Duplicate content prevention
- Viewport: Mobile responsiveness
SEO Best Practices
- Use descriptive, keyword-rich title tags (50-60 characters)
- Write compelling meta descriptions (150-160 characters)
- Use only one H1 tag per page
- Add alt text to all images for accessibility and SEO
- Create high-quality, original content (300+ words minimum)
- Use proper heading hierarchy (H1 → H2 → H3)
- Include internal links to related content
- Add Open Graph tags for social media sharing
- Set canonical URLs to prevent duplicate content
- Ensure mobile responsiveness with viewport meta tag
How to Use
- Paste your HTML content into the editor
- Or upload an HTML file from your computer
- View instant SEO analysis results
- Check errors (red), warnings (yellow), and passed checks (green)
- Review detailed statistics and recommendations
- Fix identified issues in your HTML
- Re-analyze to verify improvements
Understanding Results
Errors: Critical issues that should be fixed immediately. These can significantly impact SEO performance.
Warnings: Issues that should be addressed for optimal SEO. May not be critical but can improve rankings.
Passed: Elements that meet SEO best practices. Keep up the good work!
Privacy & Security
All HTML analysis happens locally in your browser. Your content is never sent to any server, ensuring complete privacy and security.