Best SEO Checklist
ONE FOCUSED ACTION

Confirm correct canonical tag usage on all publisher pages.

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    Why this matters

    Proper canonical tags prevent duplicate content issues and consolidate ranking signals across similar URLs.

    A STARTING-POINT EXAMPLE

    Hypothetical standard operating procedure

    Adapt this example to your site, access, tools, and change process. It is our suggested procedure, informed by the sources below.

    1. List critical publisher URLs to verify.
    2. Inspect the HTML source for each page to locate the canonical link tag.
    3. Confirm the canonical URL matches the intended primary version of the page.
    4. Check for canonical tags on pages with similar or duplicate content.
    5. Document any deviations and plan corrections to align canonical URLs correctly.

    Watch for

    Incorrect or missing canonical tags can cause content duplication and ranking dilution.

    Definition of done

    Every important page includes a canonical tag pointing to its preferred URL, verified in page source.

    Sources & attribution

    1. WordPress SEO Checklist for Publishers: On-Page and Technical Basics ↗
    2. Multilingual SEO checklist by SimpleLocalize ↗
    3. Multilingual SEO guide by DONE ↗
    4. Podcast SEO: A Complete Guide | Podspun ↗
    5. Why Most Podcasts Fail at SEO | Podcast SEO Mistakes ↗
    6. Technical SEO Checklist (indexation section) ↗
    7. DuckDuckGo SEO Audit Checklist for Technical and On-Page Fixes ↗
    8. SEO Technical Checklist ↗
    9. Local Landing Pages SEO Audit: Technical Fixes and Schema Markup ↗
    10. Common Seasonal SEO Mistakes That Hurt Product Visibility - BacklinkWorks ↗
    11. SEO Checklist - Alignify ↗
    12. Landing Page SEO Checklist for New Product Launches ↗
    13. eCommerce Technical SEO Audit Checklist ↗
    14. On-Page SEO Audit Checklist ↗
    15. How to Find SEO Errors: A Practical Audit Checklist ↗
    16. Technical SEO Checklist for Small Business Websites ↗
    17. Google Developer Docs on canonical URLs ↗
    18. Website crawlability and discovery checklist for AI agents ↗
    19. Fix Canonicalization Issues | Google Search Central ↗
    20. Indexing Problems Checklist for Google Pages ↗
    21. Technical SEO Checklist for Modern Websites ↗
    22. Site Migration SEO: The Complete Checklist for 2026 ↗
    23. Technical SEO checklist for businesses ↗
    24. Website Audit Checklist ↗
    25. Technical SEO Review Checklist — Innopulse ↗
    26. Technical On-Page SEO Checklist | Rankite ↗
    27. Google Search Central Documentation ↗
    28. Five Common SEO Mistakes and Six Good Ideas - Google ↗
    29. Ecommerce SEO Mistakes: Technical Issues to Audit First ↗
    30. SEO Checklist for B2C ↗
    31. News SEO Mistakes That Could Be Hurting Your Traffic ↗
    32. Ultimate Franchise SEO Checklist ↗

    Original checklist wording and example SOP by Best SEO Checklist, using source-grounded AI assistance. Editorial contact: Ted Kubaitis, @tedkubaitis on Teams. Check current source guidance before implementation.