National service · technical SEO consultant (UK)
The engineering that gets your site crawled, fast and found.
Most agencies and freelancers stop at content and links. A technical SEO consultant fixes the layer underneath: Core Web Vitals and INP, crawl budget and indexation, rendering and JavaScript, structured data, and internal-link equity. That is the part that decides whether search engines can read your site at all, and it is the part that gets skipped. We do it inside a managed plan, or as a standalone engagement.
First, the definition
What technical SEO actually is.
Technical SEO is the engineering work that decides whether a search engine can crawl, render, index and rank your site at all. It is not the copy on the page and it is not the links pointing at you. It is everything under the bonnet: how fast the page loads and responds, how cleanly it renders, how efficiently the crawler can move around it, whether the right pages are in the index and the wrong ones are not, and whether the structured data tells search engines what each page is.
Content and links sit on top of this foundation. Good content on a slow, badly-indexed site underperforms, every time. The technical layer is what lets the rest of your SEO do its job, and it is the layer most general agencies and freelance designers leave untouched, because it is invisible until you go looking for it. For the wider picture of how the pieces fit, the SEO playbook sets out the full approach.
The engineering layer
What we fix.
These are the things that move the needle and that most providers skip. Each is concrete, measurable, and tied to a real signal search engines use.
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Interaction to Next Paint (INP) under 200ms
INP replaced First Input Delay as a Core Web Vital, and it is the one most sites quietly fail. We find the long tasks blocking the main thread, break up heavy JavaScript, defer what does not need to run on load, and get every tap and click responding well inside the 200ms good threshold.
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Core Web Vitals: LCP, CLS and the full field-data picture
Largest Contentful Paint under the good bar, Cumulative Layout Shift held near zero, and the supporting metrics (Time to First Byte, render-blocking resources) brought into line. We work from real field data in the Chrome User Experience Report, not just a one-off lab score that looks tidy on launch day.
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Crawl budget and orphan URLs
Search engines spend a finite budget crawling your site. We find the orphan URLs no internal link points to, the crawl traps and faceted-parameter loops that waste that budget, and the thin or duplicate pages diluting it, then prune, redirect or consolidate so the crawler spends its time on the pages that earn.
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Rendering, hydration and JavaScript SEO
If your important content only appears after the browser runs JavaScript, the crawler may never see it. We audit how the page renders, server, static or client, check what Googlebot actually receives, and fix the hydration and rendering choices that hide content or slow the first paint.
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Indexation: what is in the index, and what should not be
Coverage in Search Console rarely matches what you think is indexed. We reconcile the gap, fix the noindex tags, canonical mistakes, blocked resources and soft 404s that keep good pages out, and stop low-value pages crowding in where they do not belong.
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Structured data and schema
Correct, validated schema.org markup, Organization, LocalBusiness, Product, FAQ, Article, BreadcrumbList, wired into a clean JSON-LD graph rather than scattered snippets. This is what earns rich results and feeds the entity understanding that AI search and knowledge panels lean on.
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Log-file analysis
Server logs show what the crawler genuinely does, which pages it hits, how often, and where it gives up. We read the logs rather than guess, so crawl and indexation fixes are grounded in real bot behaviour instead of theory.
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Internal-link equity and information architecture
Internal links route authority around your site. We map where equity pools and where it leaks, fix the shallow or broken paths, and restructure linking so your money pages are well-supported. The architecture work starts before design, not after.
Internal-link equity is half architecture, and architecture is a decision you make before design, not after. The reasoning is in why information architecture comes before design.
Proof, not promises
Sub-one-second Core Web Vitals, on real sites.
This is not theory read about in a blog. We build and run sites that hit a Largest Contentful Paint under one second in the field, with INP well inside the good threshold and layout shift held near zero. The full method, what gets the LCP under a second and keeps it there for a UK small business, is written up in Core Web Vitals under one second, with the specific techniques rather than vague advice.
The reason it holds is that we do not design pages in isolation, we build repeatable systems: the speed, the schema, the internal linking and the rendering choices are baked into how the site is built, so a fast, well-indexed result is the default rather than a one-off win that decays the moment new content lands.
Who it is for
When a technical SEO consultant is the right call.
- A UK small or medium business whose site looks fine but does not rank, and where a content-only agency has run out of road because the problem is the engineering, not the words.
- A site that was fast on launch day and has quietly slowed as content, plugins and third-party scripts piled up, and is now failing Core Web Vitals in the field.
- A JavaScript-heavy or migrated site where pages are dropping out of the index, or new pages are not getting picked up, and nobody can say why.
- A growing site big enough that crawl budget, orphan URLs and internal-link structure have become real constraints rather than abstractions.
- A business that wants the engineering fixed once and then kept fixed, inside a managed plan, rather than buying a one-off audit that ages on a shelf.
Want it done once and kept right, rather than bought as a report that ages on a shelf? The technical SEO sits inside the managed website service, so the engineering is maintained as the site grows instead of drifting back out of shape between projects.
FAQ
Technical SEO, answered plainly.
What does a technical SEO consultant actually do?
A technical SEO consultant fixes the engineering layer that decides whether search engines can crawl, render, index and rank your site, rather than writing the content or chasing links. That means Core Web Vitals and INP, crawl budget and indexation, rendering and JavaScript, structured data, log-file analysis and internal-link equity. It is the part most general agencies and freelance designers skip, because it sits under the bonnet rather than on the page.
How is technical SEO different from regular SEO?
Regular SEO is usually content and links: keywords, copy, blog posts, outreach. Technical SEO is the foundation underneath it: making sure the site loads fast, renders cleanly, gets crawled efficiently and indexed correctly, and carries valid structured data. Good content on a slow, badly-indexed site underperforms. Technical SEO is what lets the content work. The two are complementary, not rivals, but the technical layer is the one most often left undone.
What is INP and why does it matter for SEO?
Interaction to Next Paint (INP) is a Core Web Vital that measures how quickly your page responds when someone taps or clicks. Google looks for INP under 200ms as the good threshold. It replaced First Input Delay, and many sites that passed the old metric now fail INP because of heavy JavaScript blocking the main thread. Because Core Web Vitals are a ranking signal, a poor INP can hold a site back even when everything else is in order.
Do you offer technical SEO as a one-off or only inside a plan?
Both. You can take it as a standalone engagement: an audit and fix of the engineering layer, with a clear before-and-after on your Core Web Vitals, indexation and structured data. Or it can sit inside a managed plan, quoted to your site after the audit, where the technical SEO is done once and then kept fixed as the site grows, rather than drifting back out of shape between projects. Ongoing management starts from around £295 a month with no lock-in, and the scope is set by what your site actually needs.
Will fixing Core Web Vitals actually improve my rankings?
Core Web Vitals are a confirmed ranking signal, so getting LCP, CLS and INP into the good range removes a handicap and, on competitive queries, can move you up. They are not a magic lever on their own: rankings still depend on relevance, content and authority. The honest framing is that poor vitals quietly hold a good site back, and fixing them lets the rest of your SEO do its job. The speed work also improves conversion, because faster pages lose fewer visitors.
How do you find pages that are not being indexed?
We reconcile what you think is indexed against what Search Console coverage and a real crawl actually show, then read the server logs to see what Googlebot genuinely visits. From there the usual culprits surface: stray noindex tags, canonical mistakes, blocked resources, soft 404s, orphan URLs with no internal links pointing to them, and content that only appears after JavaScript runs. Each gets a specific fix rather than a general recommendation.
Do I need technical SEO if my site is small?
Smaller sites have less crawl-budget and architecture risk, but they can still fail Core Web Vitals, carry broken or missing structured data, hide content behind JavaScript, or have indexation problems from a past migration. On a small site the technical work is quicker and cheaper to do, which is exactly why it is worth doing properly once. On a managed plan it is simply kept right as part of running the site.
Ready to fix the engineering?
Get the layer under the bonnet done properly.
Take it standalone, with a clear before-and-after on your Core Web Vitals, indexation and structured data, or fold it into a managed plan, quoted to your site, so it is done once and kept fixed. Ongoing management starts from around £295 a month with no lock-in. Either way you start with a free Site Score that tells you where you stand today.