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Interactive checklist

Technical SEO Audit Checklist

A complete technical SEO audit as an interactive checklist: crawlability, indexation, architecture, Core Web Vitals, structured data, security, and monitoring. Check items off as you audit; your progress saves in your browser.

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A technical SEO audit answers one question: can search engines and AI crawlers find, render, and index the pages you want ranked? Content and links only matter after that foundation holds, and technical problems fail silently. A stray noindex tag or a robots.txt block from a staging deploy can remove entire sections from Google without any visible error on the site.

This checklist walks the audit in dependency order: crawlability first, because nothing downstream matters if bots cannot reach the pages, then indexation, site architecture, Core Web Vitals, structured data, mobile, security, international setup where it applies, and ongoing monitoring. Where one of our free tools can run a check for you, the item links straight to it. Work top to bottom, skip the international section if you publish in one language, and re-run the whole list after major releases; regressions cause more traffic losses than missing optimizations.

Audit progress
0 of 36 complete

Crawlability

0/5

Indexation

0/6

Site architecture

0/4

Performance and Core Web Vitals

0/6

Structured data

0/4

Mobile

0/3

Security

0/3

International (if applicable)

0/2

Monitoring

0/3

Frequently asked.

How often should I run a technical SEO audit?
Run the full checklist quarterly, plus a targeted pass after every major release. Deploys are the most common source of technical regressions: staging noindex tags, robots.txt blocks, and broken canonicals all ship inside otherwise healthy releases. The monitoring section at the end of the checklist exists so problems surface between full audits.
What order should I work through the checklist?
Top to bottom. The sections are arranged in dependency order: crawlability comes first because a page bots cannot reach fails every later check, then indexation, architecture, performance, and the rest. Fixing a Core Web Vitals issue on a page that is blocked in robots.txt wastes the effort, so resolve access before quality.
Do I need special tools to complete this audit?
Google Search Console covers most of it and is free. A desktop crawler helps on larger sites for the architecture and orphan-page checks. Several items link directly to our free tools for robots.txt testing, title tag checks, schema validation, and AI crawler access, so you can run those checks in one click without installing anything.
Why does the checklist include AI crawlers?
ChatGPT, Claude, Perplexity, and Google's AI features each use their own crawlers, and blocking them removes you from AI answers the way blocking Googlebot removes you from search. Many sites block these bots unintentionally through CDN bot protection or blanket robots.txt rules. If AI visibility matters to your business, crawler access is now part of technical SEO.

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