What a technical SEO audit actually finds

“Technical SEO audit” is one of those phrases that can mean anything, which is exactly why it’s worth pinning down. Plenty of agencies will run a free tool, export a 47-page PDF of red warnings, and call it an audit. That’s not an audit. That’s a printout. A real audit answers one question: what is stopping this site from ranking for the things it should, and what’s the order of priority to fix it?

Can Google actually read your site?

The first thing we look at is whether Google can crawl and understand the site. You’d be surprised how often the answer is “not really.” Important pages blocked in robots.txt. Whole sections drowning in low-value URL variations from filters and sort options, so the crawler spends its budget on junk instead of your money pages. Pages that load fine for a human but render as a blank shell to a bot because everything depends on JavaScript that never gets executed.

Indexation is the other half of the same question: which pages are actually in Google’s index versus which ones you think are. Stores are routinely shocked to learn that half their catalogue isn’t indexed — or that three hundred pages they didn’t know existed are.

Architecture: what your links tell Google

Then there’s site architecture — how pages link to each other. Search engines infer importance partly from internal links, so if your best commercial page is buried five clicks deep with one link pointing at it, you’ve told Google it doesn’t matter. Fixing internal linking is one of the highest-leverage, lowest-cost things you can do, and almost nobody does it deliberately.

Duplication lives here too, because e-commerce platforms generate duplicate content the way a photocopier generates copies. Canonical logic, redirect chains, parameter handling — unglamorous plumbing that quietly decides how much of your site Google takes seriously.

Speed and how the site feels

We look hard at Core Web Vitals and rendering, because performance is now part of the ranking conversation and all of the conversion one. A site that’s slow on a phone is leaking on both fronts at once. Structured data and mobile rendering round out the picture — if your pages can’t be understood or can’t be used comfortably on the device most of your customers hold, nothing else on the list matters much. Bloated themes and page builders are frequent culprits; we’ve written about the hidden SEO tax of page builders separately.

The output that matters: priority

But the output that matters isn’t the list of problems. It’s the prioritisation. Every issue gets ranked by impact and effort, so you know the three things to do first that will return the most — not the 200 things you’ll never get to. An audit that doesn’t end with a clear, ordered action plan has failed at its only real job.

That’s also the honest test of any audit you’re offered elsewhere: ask what the deliverable looks like. If the answer is a tool export, you’re buying a printout. If it’s a ranked plan in plain English that your developer — or ours — can start on Monday, you’re buying an audit.

A good audit pays for itself many times over, because it stops you spending money on content and links while the foundation is broken. Fix the engine first. Then go fast.

Ours is exactly this shape: a forensic crawl, a ranked plan, and a walkthrough in plain English. Details and pricing are on the technical SEO audit page.