Comprehensive SEO analysis tool. Paste HTML to analyze meta tags, heading structure, canonical URLs, and structured data. Get actionable recommendations.
Paste HTML source code to analyze SEO
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Click Analyze to check SEO elements
Fix errors and warnings based on recommendations
The title tag (50-60 chars) appears as the search result headline. Meta description (150-160 chars) appears below it. Both are critical for click-through rates.
Proper heading structure (H1→H2→H3) helps search engines understand content organization. Use exactly one H1 for the main title, don't skip levels.
The canonical tag tells search engines which URL is the 'master' version, preventing duplicate content issues from URL variations.
JSON-LD structured data helps search engines understand your content type and can enable rich snippets in search results.
50-60 characters or about 600 pixels wide. Longer titles get truncated in search results with '...'.