Technical SEO Engineering
Kornspire engineers the technical foundations of search visibility: crawlability and indexation, rendering strategy, site architecture, structured data, Core Web Vitals and search-console diagnostics.
The problem
Good content that search engines cannot reach or understand
When pages do not appear in search, the cause is frequently structural rather than editorial. Content renders only after JavaScript that crawlers time out on. Canonical tags point to the wrong URL. Parameters generate thousands of near-duplicate pages that consume crawl budget. Pagination hides most of a catalogue. None of that is fixed by writing more.
Signals you have this problem
- Pages are in the index inconsistently and nobody can explain the pattern
- Search Console reports 'crawled — currently not indexed' across a whole section
- Filters and parameters have produced large numbers of near-duplicate URLs
- Mobile performance is poor and rankings track it downwards
Our approach
Diagnose with data, fix in the codebase, verify in the index
We work from crawl data, server logs and Search Console rather than from generic checklists. Findings are ranked by the number of valuable URLs affected, fixed in the codebase where the cause actually lives, and then verified — a fix is not finished until the index reflects it. Everything we do is defensible: technical work on your own property, no schemes that violate search-engine guidelines.
Crawl and indexation engineering
Crawl diagnostics, robots and directive audit, canonical strategy, parameter and faceted-navigation handling, sitemap generation and index-coverage resolution.
Rendering strategy for search
Ensuring primary content is present in the initial HTML response; choosing static, incremental, streamed or client rendering per route with search consequences understood.
Site and URL architecture
Topic and hub structure, URL design, internal linking depth, breadcrumb hierarchy, and pagination that keeps deep inventory reachable.
Structured data implementation
Schema.org JSON-LD generated from the same data the page displays, validated, and limited to types the visible content genuinely supports.
Core Web Vitals engineering
Largest Contentful Paint, Interaction to Next Paint and Cumulative Layout Shift work driven by field data, not only lab scores.
On-page structure
Heading hierarchy, title and description architecture generated from one source, internal link placement and image alt text.
Migration protection
Redirect mapping, pre-launch parity checks and post-launch monitoring, so a redesign does not quietly discard existing visibility.
Measurement and diagnostics
Search Console and analytics configuration, log-file analysis where available, and reporting that separates correlation from claim.
Outcomes
What changes for you
- Valuable pages crawlable, indexable and rendered in the initial HTML
- Duplicate and parameter URLs consolidated to a single canonical
- Core Web Vitals measured in the field and improved where they fail
- Structured data that validates and matches visible content
Deliverables
What you receive
- Technical audit ranked by affected valuable URLs
- Crawl, canonical and sitemap implementation
- Structured-data implementation with validation output
- Core Web Vitals baseline and post-work measurement
- Redirect map for any migration in scope
- Search Console diagnostics and monitoring setup
Evidence
What you can check before you call
Each item below links to something you can verify yourself — our own product, this website, or the engineering playbook we publish.
- This website
Structured data built from page content
Every page carries schema.org markup generated from the same content it renders, so markup and page cannot disagree.
Check a page in Google's Rich Results Test(opens in a new tab) - This website
A statically rendered site
Every page prerendered at build time, with self-hosted, size-adjusted fonts and no client-side data fetching for content.
Measure it in PageSpeed Insights(opens in a new tab) - Engineering playbook
ADR-002: Next.js for content-driven web
The rendering decision behind content-heavy sites like this one, with the alternatives considered.
Read ADR-002(opens in a new tab)
How it runs
The engagement, step by step
- 01
Diagnose
Crawl the site, read Search Console and logs, and establish which valuable URLs are affected by what. Baseline is recorded before changes.
- 02
Prioritise
Rank findings by URL value and effort. A canonical error across a whole section outranks a dozen cosmetic issues.
- 03
Implement
Fix in the codebase — metadata and structured data generated from one source of truth rather than hand-maintained per page.
- 04
Verify
Re-crawl, confirm index coverage moved, re-measure field performance, and keep monitoring in place.
Typical engagements
What this looks like in practice
Illustrative shapes of work rather than client stories. We publish client work only with the client's consent and with real figures, so these describe the problem and the approach instead.
Recovering a section that stopped being indexed
Tracing the cause — rendering, canonical, directive or duplication — then fixing it and confirming coverage in the index.
Protecting visibility through a redesign
URL parity and redirect mapping before launch, with post-launch monitoring for coverage and ranking loss.
Faceted navigation at scale
Deciding which filter combinations deserve indexable URLs and enforcing it, instead of letting crawl budget drain into duplicates.
Answers
Technical SEO Engineering: questions
What is Technical SEO?
Technical SEO is the engineering work that determines whether a search engine can reach, render, understand and index a website's content — covering crawl control, rendering strategy, site and URL architecture, structured data, internal linking and page performance.
Can Kornspire guarantee a first-page ranking?
No, and nobody honestly can. Ranking is decided by search engines using signals no vendor controls, including competitors' behaviour. What is controllable is whether your site is crawlable, renderable, fast, correctly structured and genuinely useful — and that is what we engineer. Any supplier who guarantees a position is either misrepresenting their influence or planning something that risks a penalty.
Does Kornspire do link building or paid media?
No. Off-page link acquisition, paid search, social media management and PR fall outside our scope, and outside the company's registered business objects. Our work is engineering on your own platform: crawlability, rendering, architecture, structured data, performance and content structure. Where off-page work is genuinely needed, a specialist agency is the right partner and we will work alongside them.
How long before technical SEO work shows results?
Indexation and crawl fixes often show movement within days to a few weeks, because they change what search engines can access. Ranking and traffic changes follow re-crawling and re-evaluation and typically take longer, commonly one to three months to read reliably. We report what the data supports and distinguish clearly between a technical fix that is verified and a traffic change that is inferred.
Is SEO still relevant when people ask AI assistants instead?
Yes, and increasingly so as a dependency. AI answer systems draw heavily on content they can crawl, parse and attribute — so a site that search engines cannot reach is also largely invisible to them. Technical SEO has become the shared foundation underneath conventional search, answer engines and generative assistants alike.
Deep dives
7 detailed articles on this topic
Longer technical pieces, each covering one specific decision inside this service. Written to be argued with, not skimmed.
Keep reading
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Considering technical seo engineering?
Tell us the outcome you need and the constraints you are working inside. You will get a straight answer about whether this is the right service, a smaller one, or none of ours.
Prefer email? hello@kornspire.com