Website Audit: What It Covers and What It Costs

A website audit is a structured review of a site across four layers: technical health, content and search visibility, user experience, and conversion. Done properly, it ends in a ranked list of what to fix, in what order, and what each fix is worth. Most business owners reach for one after months of flat enquiries and a growing suspicion that the site itself is the problem. This page sets out what a professional website audit examines, what the report should contain, what it costs, how long it takes, and what happens once the findings land on your desk.

AI Summary

A website audit is a structured review of a website’s technical health, content and search visibility, user experience, and conversion performance, ending in a prioritised list of fixes. A professional website audit covers all four layers together, because a problem in one layer routinely hides a problem in another. An automated tool scan lists technical errors in minutes; a professional audit decides which of those errors are worth money and which can be safely ignored.

ProfileTree publishes a starting price of £500 for a single-discipline audit, with full four-layer reviews quoted against scope, and standard audits take 10 to 14 business days from the point site access is granted. A website audit report without a prioritised action list is half a product.

What Does a Website Audit Include?

A professional website audit examines four layers, in this order: technical, content and search, user experience, and conversion. The order matters. There is no point rewriting a page that search engines cannot reach, and no point driving traffic to a page that gives visitors nothing to do. Each layer produces a different kind of finding, and the value of the audit comes from reading them together rather than in isolation. If the site is in reasonable shape technically, ProfileTree’s search engine optimisation services usually start from the content and search layer instead.

The video below walks through the practical mechanics of running a site review, which is useful background before commissioning one.

Layer One: Technical Health

The technical layer asks whether search engines and browsers can reach, render and load the site properly. It covers crawlability and indexing, page speed, security, redirects and mobile rendering. Google’s own documentation on Core Web Vitals sets the thresholds most audits measure against.

Example findings a real audit produces at this layer:

• A noindex tag left on a service page after a development freeze, keeping a commercial page out of the index for eleven months without anyone noticing.
• A mobile Largest Contentful Paint of 4.8 seconds on the highest-value landing page, traced to three uncompressed hero images loading above the fold.
• A redirect chain left over from a site migration, where an old blog URL passes through three hops before reaching its destination, losing signal at each step.

Layer Two: Content and Search Visibility

The content layer asks whether there is anything on the site worth reaching. It reviews the page inventory against the queries the business actually wants to win, checks for pages competing with each other, and assesses whether commercial pages answer the questions a buyer asks before making contact.

Example findings at this layer:

• Six URLs targeting variations of the same query, splitting rankings between them so none reaches page one. This is keyword cannibalisation, and it is one of the most common findings on sites that have published consistently for several years.
• A service page of 380 words that never states what the service costs, who it suits, or what the process involves, sitting at position 30 for its main term.
• Duplicate title tags across a set of location pages, where only the city name changes, which suppresses all of them.

If you want to work through this layer yourself first, ProfileTree’s guide to running an SEO audit using free tools covers the same ground at a DIY level.

Layer Three: User Experience

The user experience layer asks what happens after someone arrives. It covers navigation logic, mobile usability, accessibility, and whether a first-time visitor can work out within a few seconds what the business does and who it serves. Accessibility findings are measured against the W3C Web Content Accessibility Guidelines, which also carry legal weight for many UK organisations.

Example findings at this layer:

• Eleven items in the primary navigation with no hierarchy, so the two pages that generate enquiries sit three clicks from the homepage.
• Contact form fields with tap targets close enough together that mobile users regularly hit the wrong one, producing a high abandonment rate on the single most important form on the site.
• Body text at a contrast ratio below the accessibility threshold across the whole template, which affects readability for a meaningful share of visitors and creates compliance exposure.

Layer Four: Conversion

The conversion layer asks whether visits turn into enquiries, and whether anyone can tell. This is the layer most commonly skipped by tool-based audits, because it needs judgement about the business rather than a crawl of the site.

Example findings at this layer:

• No tracked event on the enquiry form, meaning twelve months of traffic data exists with no record of which pages produced business.
• A single call to action appearing once, 1,600 words down a page that most visitors leave before reaching.
• Pricing absent from every commercial page on a site whose search queries are dominated by cost and price phrasing, sending buyers elsewhere to find the number.

What Should a Website Audit Report Contain?

A good website audit report has a predictable shape, and you can judge one before you read the detail. It should open with a summary of where the site stands commercially, not a list of errors. Then findings by layer, each with the evidence attached. Then, and this is the part that separates useful reports from expensive ones, a prioritised action list.

Page by page, a solid report runs roughly like this. One page of commercial summary: what the site is currently earning from search, where the gap sits, and the two or three findings that account for most of it. Four sections of findings, one per layer, each item stated plainly with a screenshot or a data extract showing the problem rather than asserting it. One prioritised action list, with each item carrying an owner, an effort estimate, and a plain-English note on what fixing it is expected to change. A short measurement baseline, so that in three months there is something to compare against. An appendix with the raw crawl data for whoever has to do the work.

The honest rule is this: a website audit report without a prioritised action list is half a product. A list of 400 issues sorted by the tool’s own severity score is not prioritisation, because tools rank by technical severity and businesses need ranking by commercial impact. A broken link on a page nobody visits and a noindexed service page are both flagged as errors. Only one of them is costing money.

“Most audits fail at the handover, not the analysis,” says Ciaran Connolly, founder of ProfileTree. “If the client cannot tell from the document what to do on Monday morning, the findings were academic.”

Automated Scan or Professional Audit: Which Do You Need?

Both have legitimate uses, and the honest answer is that many sites need the tool and not the audit. Automated scanners are fast, cheap and genuinely good at what they do, which is finding machine-detectable faults at scale. What they cannot do is decide what matters. The table below sets out the trade-off.

A reasonable pattern for most SMEs is to run the free tools quarterly and commission a full review annually, or ahead of any structural change to the site.

What Does a Website Audit Cost and How Long Does It Take?

Price tracks scope, and scope is driven by four things: the number of URLs to be crawled and reviewed, whether the audit covers one layer or all four, whether commercial data access (Search Console, analytics, CRM) is granted, and whether the deliverable includes a working session or arrives as a document.

ProfileTree publishes a starting price of £500 for a single-discipline audit, its local SEO audit service, which covers one layer against a defined checklist. Full four-layer audits are quoted against the site rather than sold from a price list, because a 40-page brochure site and a 4,000-page e-commerce catalogue require different amounts of work to review honestly. Ask for the band before scoping begins. An agency that will not indicate a range before seeing the site is usually pricing on what the client looks like rather than what the work involves.

On timing, standard audits take 10 to 14 business days from the point site access is received. Larger reviews run to two or three weeks. Access is the variable that most often causes delay: an audit that has to proceed without Search Console and analytics access is working from the outside, and the conversion layer in particular becomes guesswork. Granting read access at the start typically saves a week.

Two costs sit outside the audit fee and are worth budgeting for. The first is implementation, because the audit produces the list and someone still has to do the work. The second is the retest, usually 8 to 12 weeks later, which confirms that the fixes landed and had the expected effect.

What Happens After the Website Audit Report?

Findings become value only when they turn into scheduled work. There are three routes from report to result, and the right one depends on what the team can absorb rather than on what the agency prefers to sell.

The first route is in-house implementation. The report becomes a ticket list, the developer works through the technical items, and the marketing team handles content and metadata. This works when the fixes are mostly technical and the team has capacity. It works badly when the top of the list is content rewriting, because that is where in-house programmes usually stall.

The second route is agency implementation, either for the whole list or for the items the internal team cannot cover. Most sites split it: the developer takes the redirects and speed work, and the content items go out. A step-by-step SEO audit checklist is a reasonable way to keep the in-house half of the work honest.

The third route is a phased programme, where the audit becomes the first quarter of a longer engagement. Critical fixes inside a week, high-impact improvements inside 30 days, and structural work such as content consolidation and redesign scheduled across three to six months. The measurement baseline in the report is what makes this route accountable, because without it nobody can tell afterwards whether the money did anything.

AI Visibility: The Newest Audit Layer

Search engines are no longer the only systems reading a website. Assistants such as ChatGPT, Perplexity and Google’s AI Overviews cite pages that answer questions directly in their opening lines, name the business and its location plainly, and structure information in tables and lists rather than burying it in prose. Auditing for that is a distinct discipline, and it now sits alongside the four traditional layers rather than inside them.

If your site earns impressions but not enquiries, and you are not sure which of the four layers is responsible, a scoped review will tell you before you spend money on a redesign that may not be the answer. Talk to the ProfileTree team in Belfast about what a review of your site would involve.

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