What an AI SEO audit checks that a standard audit misses

An AI SEO audit checks whether AI tools such as ChatGPT, Gemini, Perplexity and Google’s AI Overviews can reach your site, understand who you are, and trust you enough to name you in their answers. A standard SEO audit checks whether Google can crawl, index and rank your pages. You need both, but they look for different problems.

Most audits were built for ten blue links. They catch broken pages, slow templates and missing title tags. They rarely ask whether OpenAI’s crawler is blocked, whether your brand is described the same way across the web, or whether your pages answer questions in a way an AI can lift.

Those gaps explain why some sites rank well in Google and still never appear in AI answers. Here’s what an AI SEO audit adds, section by section.

AI crawler access

The first check is simple: can the AI tools reach your content at all? Each one uses its own crawlers, and a robots.txt rule, firewall or CDN setting can block them without anyone noticing.

The audit checks your robots.txt, your server logs and any bot protection on your CDN. Some security tools now block AI crawlers by default, so a site can be invisible to ChatGPT search while Google sees it fine. It also checks that key content is in the HTML rather than loaded only by JavaScript, because many AI crawlers don’t render scripts.

Content structure for answers

AI tools pull short passages, not whole pages. So the audit looks at whether your pages give clear, self-contained answers:

1. Does each key page open with a direct answer in one or two sentences?
2. Do headings describe what follows, so a passage makes sense on its own?
3. Are comparisons in tables and processes in numbered steps?
4. Are facts such as prices, locations and service areas stated plainly in text, not buried in images?
5. Is there a page that answers each question your buyers ask before they get in touch?

A standard audit checks that headings exist. This checks whether they’re useful to a machine that reads in fragments.

Brand and entity checks

AI models think in entities: people, companies, products and how they connect. If your business is described differently in different places, AI tools are less confident about recommending you. Our guide to entity-based SEO explains the idea.

The audit compares how your brand appears on your site, Google Business Profile, LinkedIn, Companies House, directories and review sites. It checks your Organization and Person schema markup, your about and team pages, and whether authors have real profiles that show expertise. Small mismatches, such as an old address or a different service list, add up.

Citation and mention gaps

This is the part a standard audit can’t do. An AI SEO audit runs the questions your buyers ask through the main AI tools and records:

• whether you’re named, and in what position
• which competitors are named instead
• which sources each tool cites
• whether the facts about you are right

The pattern of cited sources is often the most useful finding. If AI keeps citing a review site, a trade body or a comparison page, being present on those sites matters as much as your own content. Tracking this over time gives you a measure of share of model, how often AI names you compared with competitors.

What a standard audit still covers

None of this replaces the basics. Indexing, site speed, internal linking and duplicate content still matter, because AI Overviews and ChatGPT search both draw on pages that search engines can find and trust. Our step-by-step SEO audit checklist and our guide to technical SEO audits cover that side.

How often to run one

Run a full AI SEO audit once a year, or straight after a site rebuild, a migration or a change of CDN or security provider. Those are the moments crawler access tends to break.

In between, a lighter monthly check is enough. Re-run the same set of buyer questions through ChatGPT, Gemini, Perplexity and Google, note who is named and which sources are cited, and look at your server logs for AI crawler visits. If mentions drop or a crawler disappears from the logs, that’s your cue to dig deeper. AI answers change faster than Google rankings, so the monthly check matters more than it would in a standard SEO programme.

What you get at the end

A good AI SEO audit ends with a short, ranked list of fixes rather than a 90 page export. Typically that’s crawler access first, then the pages that should answer buyer questions, then entity and mention gaps. It should also give you a baseline of where you’re named today, so you can see progress.

If you want a quick first look, our free AI visibility check shows whether AI tools mention you. For the full audit and the work that follows, our AI SEO agency can help. Book a free strategy session to talk it through.

Related reading: our guides to getting cited by ChatGPT and tracking AI Overviews.

Common questions