SEO Audit checklist

Technical and on-page SEO Audit Checklist

This is my SEO audit checklist (for a technical and on-page SEO audit). As this blog grows, the items on this list will be linked to relevant blog post, so you can learn more about each topic.

Order a complete SEO Audit of your website: SEO audit service info.

Validity, accessibility and crawlability

  • Indexation
  • HTTP Status Codes
  • W3C Validation – HTML
  • W3C Validation – CSS
  • Robots.txt
  • Sitemap and 404 page
  • Crawl errors
  • Broken links
  • Navigation / Breadcrumbs

 Speed and performance

  • HTTP Requests
  • Image optimization
  • Expires headers or Cache-Control Header
  • ETags


  • Duplicate content
  • Meta Description
  • Page Titles
  • ALT tags / title tags (images)
  • Title Tags (links)
  • Heading tags
  • Code to Content Ratio
  • URL Structure
  • Link structure (internal)

Social Media

  • Blog / RSS feed
  • Social Networks


  • Tools and Implementation Check
    • Google Analytics (GA)
    • Google and Bing Webmaster Tools (GWT & BWT)


    • Hi Erbe,

      You’re right, and canonicalization goes together with “Duplicate content”. There’s a blog post coming up about this, so subscribe to the newsletter to get notified about it when it’s published:



  1. 10 content marketing things starting with an A - For the Love of SEO - [...] Technical SEO Audit checklist [...]

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>