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SEO Audit: How to Do a Complete Website SEO Check?

What is SEO audit and how to do it? Complete guide for technical, on-page and off-page SEO checking. Find and fix SEO errors.

SEO audit - saytın tam SEO yoxlaması
Author 166 Tech team
Editorial review Technical and SEO team
Last updated 20.10.2026
In this article 3
  1. What is SEO Audit?
  2. Key Areas of SEO Audit
  3. Professional SEO Audit

What is SEO Audit?

An SEO audit is a complete examination of your website from a search engine perspective. It identifies strengths and weaknesses, and plans improvements for better Google rankings.

Key Areas of SEO Audit

1. Technical SEO Audit

Technical SEO check covers:

  • Site speed: Core Web Vitals (LCP, FID, CLS)
  • Mobile compatibility: Responsive design check
  • Indexing: robots.txt, sitemap.xml
  • SSL certificate: HTTPS verification
  • 404 errors: Finding broken links
  • Canonical tags: Duplicate content check

2. On-Page SEO Audit

On-page SEO check:

  • Meta title and description optimization
  • H1-H6 heading hierarchy
  • Keyword density and placement
  • Internal link structure
  • Image alt tags
  • URL structure

3. Off-Page SEO Audit

  • Backlink profile analysis
  • Domain authority measurement
  • Competitor link analysis

4. Content Audit

  • Content quality assessment
  • Content gap analysis
  • Duplicate content detection

Professional SEO Audit

At 166 Tech, we provide comprehensive SEO audit service. We find all SEO problems and prepare a solution plan. Order your audit now.

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