A structured process for diagnosing and fixing the technical issues holding your site back in search

A technical SEO audit is a systematic review of a website's infrastructure — crawlability, indexability, site speed, and structured data — to identify issues preventing search engines from properly discovering, rendering, and ranking content.
Confirm search engines can actually reach your pages.
robots.txt for unintended disallow rules| Check | Tool | What to Look For |
|---|---|---|
| Index coverage | Search Console | Excluded/error pages |
| Canonical tags | Crawler (Screaming Frog, Sitebulb) | Conflicting or missing canonicals |
| Noindex tags | Crawler | Accidental noindex on key pages |
| Duplicate content | Crawler | Near-duplicate URLs competing for rankings |
A flat, logical structure helps both users and crawlers. Aim for important pages to be reachable within 3 clicks from the homepage, and ensure internal linking reinforces topical relationships between related pages.
Site speed is both a ranking factor and a conversion factor. Focus on:
Validate schema markup (Product, Article, FAQ, Organization, etc.) using Google's Rich Results Test to ensure eligibility for enhanced search features.
Not all issues carry equal weight. Prioritize by:
A technical SEO audit is only useful if it ends in a prioritized action list — crawlability and indexability issues should always be fixed before cosmetic or minor performance tweaks.