Canonical Tag Inspector & Duplicate Content Analyzer

Canonical Tag Inspector & Validator

Paste HTML code or a page snippet to verify canonical link correctness, absolute URL formatting, and SEO duplicate content compliance instantly in your browser.

Canonical Inspection & SEO Analysis

Valid Canonical
Tag Status: Found (Single Canonical)

    








    
Understanding Canonical Tags

    
A canonical tag (``) is an HTML snippet that helps webmasters prevent duplicate content issues by specifying the "master" or preferred version of a webpage for search engine indexers.

    
    
Inspector Guidelines

    
    
        
  • Single Tag Rule: Ensure every webpage includes exactly one canonical tag in its `` section.
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  • Absolute URLs: Always use full absolute URLs (`https://...`) to eliminate crawler interpretation errors.
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Privacy & Security Note

    
All canonical tag inspections and HTML evaluations execute entirely client-side within your browser environment. Your code snippets are never transmitted or stored externally.