A fixed-scope, engineering-led audit of your site's speed, Core Web Vitals, technical SEO, accessibility and AI-search readiness. You get a plain-English report plus an implementation-ready backlog your team (or ours) can act on straight away. HubSpot CMS and Content Hub first, other platforms supported.
Most audits stop at a marketing PDF or an automated scanner score. Ours reads the theme code behind the symptoms, because on a managed platform like HubSpot Content Hub the easy wins are already handled and the real problems sit in custom modules, third-party scripts and bloated templates. Here is what we assess.
We benchmark LCP, INP and CLS against Google's current thresholds (LCP under 2.5s, INP under 200ms, CLS under 0.1) using PageSpeed Insights, CrUX field data, Lighthouse and Search Console. INP is the most commonly failed vital because it points at JavaScript and third-party scripts, so we trace it back to the render-blocking code and tracking causing it.
Content Hub already gives you a global CDN, automatic image optimisation and WebP conversion, and CSS minification. So we focus on what the platform cannot fix for you: custom theme and module code, unoptimised hero media, layout shift from late-loading modules and heavy templates. We read the source, not just the score.
Crawlability, indexation, site architecture, internal linking, canonicalisation, redirects, structured data and Search Console health. We surface the technical issues that quietly suppress rankings and tie each one to a concrete fix on a named page or template.
Automated checks plus manual screen-reader and keyboard testing, mapped to WCAG 2.2 AA success criteria and EN 301 549. If you sell goods or services to EU customers, the European Accessibility Act creates real exposure for those transactions, so accessibility is a commercial concern, not just a compliance tick-box.
We review the journeys that matter commercially: clarity of calls to action, form friction, mobile experience and the page-level barriers between a visitor and an enquiry. Findings are framed around the revenue impact of fixing them, not generic best practice.
Answer Engine Optimisation is about being extractable and citable by AI answer engines like ChatGPT, Perplexity, Claude, Gemini and Google AI Overviews. We check semantic heading structure, direct question-and-answer formats, valid schema and crawlability for AI bots. Industry studies suggest AI-referred visitors can convert at several times the rate of traditional organic, so this is increasingly load-bearing.
Fixed scope, fixed deliverable, no open-ended retainer. The audit is fully remote, and you finish with a backlog that is ready to implement rather than a report that sits in a drawer.
We confirm the pages, templates and platform in scope, agree the fixed price, and capture a measurement baseline (Core Web Vitals field data, Search Console health and current conversion paths) so we can prove movement later.
Our engineers run the tooling (PageSpeed Insights, CrUX, Lighthouse, Search Console, schema validators) and then read the theme and module source directly. Accessibility gets automated checks plus manual screen-reader and keyboard testing against WCAG 2.2 AA.
We group findings by theme (performance, technical SEO, accessibility, conversion, AEO) and rank every item by impact, effort and risk, so the quick wins and the structural workstreams are clearly separated.
You receive a plain-English executive summary for decision-makers plus a prioritised backlog. Each item names where (page, template or module), what, why, the expected impact, the effort and how to verify it, written ticket-shaped so it can go straight into your sprint.
We walk your team through the findings and the roadmap. If you would rather we implemented the backlog, we can: the same engineers who found the issues can fix them, and we can retest afterwards to confirm the gains.
Everything you need to know about our services
Pricing is fixed-scope and indicative, from £2,500. The exact figure depends on the size of your site (number of URLs), the number of templates and modules to review, and the platform, since bespoke or custom-coded sites need deeper review than templated ones. We deliberately sit above the £499 to £750 commodity scanner audits because this is a multi-discipline, engineering-led assessment covering Core Web Vitals, technical SEO, accessibility and AI-search readiness, not a single Lighthouse run. We agree the fixed price before we start, and our delivery guarantee applies: delivered on time, or you get 20% back.
Two things. First, a plain-English report with an executive summary for decision-makers and a diagnosis broken down by theme (performance and Core Web Vitals, technical SEO, accessibility, conversion and AEO). Second, a prioritised remediation backlog where every item names the page, template or module affected, what to change, why, the expected impact, the effort involved and how to verify it. The backlog is written to be implementation-ready, so it can drop straight into a development sprint rather than needing to be reinterpreted.
Yes. The audit is useful on its own, but the whole point of an implementation-ready backlog is that it can be acted on. The same in-house engineers who ran the audit can deliver the fixes, and we can retest afterwards to confirm the improvement. For backlog work we point to our HubSpot development service at /services/hubspot-development, and where the findings call for a rebuild rather than a patch, our HubSpot websites service at /services/hubspot-websites covers a full redesign. A redesign is a larger commitment than the audit: that work is indicative from £15,000, and typically lands somewhere in a £15,000 to £80,000 range depending on the number of unique templates, how much is custom-coded versus built on a proven framework, migration complexity, and whether you need extras like memberships, multilingual journeys or higher accessibility standards. As with the audit, we scope and fix that price before you commit.
We are a UK HubSpot Diamond Partner with an in-house engineering team, and we are HubSpot Custom Integration Accredited and HubSpot Onboarding Accredited. The difference shows in the method: most audit vendors run an automated scanner and hand you the score. On a managed platform like HubSpot Content Hub the platform already handles image optimisation, the CDN and minification, so the remaining Core Web Vitals problems live in custom theme code, third-party scripts and bloated modules. Reading that source is engineering work, and it is what we do.
For a typical small-to-medium HubSpot site the audit runs over roughly two to three weeks from kick-off to handover, depending on the number of templates and the breadth of disciplines in scope. We agree the turnaround in writing at the scoping stage, and our guarantee stands behind it: delivered on time, or you get 20% back. Larger or multi-template sites take longer, which we confirm before any work begins.
HubSpot CMS and Content Hub are our primary focus, because that is where our engineering depth and theme-level knowledge add the most value. We also audit sites on other platforms. The Core Web Vitals, technical SEO, accessibility, conversion and AEO disciplines apply universally; what changes is how deep the theme and template review goes, which is one of the factors that affects the fixed-scope price.
Proof, not promises. SpotDev is a HubSpot Diamond partner rated 5.0 across 38 reviews on the HubSpot Solutions Directory. See how we build: Unily's HubSpot CMS website, Superior's website transformation and Mention Me's web development results. Need the fixes delivered, not just found? Our technical SEO and AEO service implements them, from a fixed-price audit to a 30-day fix sprint.
