SEO Guide

Technical SEO Audit Checklist for High-Performing Websites

Follow this step-by-step technical SEO audit checklist to uncover critical issues, prioritise fixes, and boost search visibility across your entire site.

Dec 20, 2024
18 min

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Technical SEO Audit

Checklist for Performance

Follow this step-by-step technical SEO audit checklist to uncover critical issues, prioritise fixes, and boost search visibility.

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2.5s
LCP Target

Largest Contentful Paint should be under 2.5 seconds. Core Web Vitals are now ranking factors for search engines.

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Crawl Checklist

  • 1

    Desktop and mobile user agents

  • 2

    Crawl at least 5 levels deep

  • 3

    Enable JavaScript rendering

  • 4

    Capture all HTTP status codes

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Fix Priority

Before

Critical: Security, non-indexed pages, 404s

After

High: Core Web Vitals, duplicate content

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Indexation Checks

  • ✓

    Review robots.txt for blocked directories

  • ✓

    Create segmented XML sitemaps

  • ✓

    Check Search Console Coverage report

  • ✓

    Resolve Crawled but not indexed issues

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Mobile-First Matters

Google uses mobile-first indexing. Test key templates with Mobile-Friendly Test. Ensure tap targets are at least 48x48 CSS pixels.

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Key Takeaway

Ongoing Process

Schedule monthly crawls to surface new problems. Review Search Console weekly. Monitor rankings after technical changes. Document learnings.

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