Technical SEO Audit Checklist — Find and Fix Hidden Issues

A technical SEO audit reveals hidden issues that prevent your site from ranking well. Here's our comprehensive checklist.

Crawlability and Indexing

• Check robots.txt for accidental blocking
• Review XML sitemap structure and submission
• Ensure important pages are crawlable and indexable
• Fix broken internal links (404 errors)
• Check for duplicate content issues

Site Architecture

• Use clear, logical URL structures
• Implement breadcrumb navigation
• Create a flat site hierarchy (important pages within 3 clicks)
• Use internal linking to distribute page authority

Page Speed and Core Web Vitals

• Test LCP, FID, and CLS scores
• Optimise images and videos
• Minimise render-blocking resources
• Enable compression and browser caching
• Review server response times

Mobile Optimisation

• Verify mobile responsiveness
• Check touch target sizes
• Ensure text is readable without zooming
• Test mobile page speed separately

Structured Data

• Implement Schema.org markup for your business type
• Use FAQ schema for question pages
• Add review schema for testimonial pages
• Test structured data with Google's Rich Results Test

Run this audit quarterly to maintain strong technical SEO foundations.