Baki Bilişim

Structured data is how machines learn what your company is

Structured data turns the information on your pages into a graph that machines can read one way only. Rich result eligibility is one output of that work; the larger gain is that search and generative engines read what your company is instead of guessing. This service builds the graph, validates it and protects it from breaking.

Last updated: Service group: Scale

Who actually writes the Schema.org markup?

Answer

On most corporate projects, nobody does. The marketing agency stops at content; the software agency never touches the graph because it was not in the statement of work. The site goes live and the structured data is never built. We put that line in the contract: schema architecture, validation and regression control belong to one accountable party.

Responsibility split · written by category, no company is named
Responsibility Marketing agency Software agency Baki Bilisim
Who chooses the schema type that fits each page template? Out of scope Out of scope In scope
Who designs the entity relationships and the @id graph? Out of scope Partly In scope
Who verifies the graph still validates after a content update? Out of scope Out of scope In scope

The table describes categories of supplier, not named competitors. The full split, and why we hold it under one contract: why we publish measurements instead of claims.

What exactly is lost without structured data?

Answer

Without structured data, engines infer your company from page text. While inferring, they can confuse your name, address, services and the relationships between your pages; eligibility for rich results never forms at all; and generative engines cannot separate which fact belongs to you. The loss shows up in recognition rather than in ranking position.

Three concrete losses

  1. Entity ambiguity. You are merged with similarly named firms, with a former trading name, or with a branch in another city. To the engine you are not one entity but a pile of unconnected pages.
  2. Eligibility never forms. For rich result formats such as question sections, step-by-step instructions, product data and business information, the page never enters the candidate list. That is a registration problem, not a ranking problem.
  3. Attribution drifts. A generative engine takes the fact from you and credits the source to someone else. When no node defines the company, there is no entity to attribute the answer to.

Structured data

A method of labelling the information on a page with a standard vocabulary (schema.org) so that search engines and language models read it one way only. On corporate sites it is applied as JSON-LD: a graph embedded in the page source.

Why it matters: it defines the layer machines read without changing a word of what your visitors see. It is the foundation that AEO and GEO work is built on.

2011

The year the schema.org vocabulary was launched jointly by Bing, Google and Yahoo!; Yandex joined in the same year.

Source: schema.org — About · Accessed: 2026-07-29 · schema.org/docs/about (opens in a new tab)

3

The number of structured data formats Google supports: JSON-LD, Microdata and RDFa. JSON-LD is the recommended format.

Source: Google Search Central — Introduction to structured data · Accessed: 2026-07-29 · developers.google.com (opens in a new tab)

What exactly does this service deliver?

Answer

Nine deliverables: a current graph inventory, an entity map, the @id architecture, a page-type mapping matrix, template-level JSON-LD implementation, multi-location and multilingual graph structures, a validation report, a pre-publish regression check and a handover document. The format and delivery week of every item is written into the ledger below.

Deliverable · format · delivery week
# Deliverable Format When
01Current graph inventory and error dump — every page type listed, every existing node validatedTable + validator outputWeek 1
02Entity map — company, legal entities, locations, people, services, products and their relationshipsDiagram + relationship tableWeeks 1–2
03@id architecture and graph design — one permanent identifier per entity, canonical form fixedTechnical documentWeek 2
04Page type to schema mapping matrix — which template emits which nodeMatrix tableWeek 2
05Template-level JSON-LD implementation — markup written into templates, not into individual pagesTemplate files (code)Weeks 3–4
06Multi-location and multilingual graph structure — LocalBusiness per location, language versions consistent with hreflangCode + documentWeek 4
07Validation report — sampled per page type, with tool and date beside each resultReport (Validator + Rich Results Test)Weeks 4–5
08Pre-publish regression check — a gate that blocks releases carrying a broken graphCheck script + checklistWeek 5
09Handover document and content team briefing — which field feeds which nodeDocument + live sessionWeeks 5–6

Why is an @id graph different from pasting schema onto pages?

Markup added page by page describes the same company again on every page, and slightly differently each time: the trading name is abbreviated in one place, the address is incomplete in another, the phone number is formatted a third way. In an @id architecture each entity is defined once, given a permanent identifier, and merely referenced from every other page. The result is one company, one address, one identity — no matter how large the site grows.

A JSON-LD graph joined by @id on a corporate site The Organization node sits at the centre of the graph. The ProfessionalService node references it through parentOrganization, the Person node through worksFor, the WebSite node through publisher and the Service node through provider. The WebPage node connects to the WebSite node through isPartOf. Organization ProfessionalService WebSite Person WebPage Service #organization #localbusiness #website #erdibaki #webpage #service parentOrganization worksFor publisher isPartOf provider
Figure 01 — the graph of this site. Every entity is defined once; the other nodes only reference it by @id.

The corporate graph core

This block stays identical on every page. It is the single definition of the company: it is referenced, never rewritten.

{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Organization",
      "@id": "https://example.test/#organization",
      "name": "Example Metal Industries Inc.",
      "url": "https://example.test/",
      "address": {
        "@type": "PostalAddress",
        "streetAddress": "OIZ 1, 3rd Street No 12",
        "addressLocality": "Gebze",
        "addressRegion": "Kocaeli",
        "addressCountry": "TR"
      }
    },
    {
      "@type": "WebSite",
      "@id": "https://example.test/#website",
      "url": "https://example.test/",
      "publisher": { "@id": "https://example.test/#organization" },
      "inLanguage": "en"
    }
  ]
}

Page-type nodes

Each template adds only its own node and references the core. Because the company data is never written a second time, an update happens in one place.

{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Service",
      "@id": "https://example.test/services/laser-cutting/#service",
      "name": "Laser sheet cutting",
      "serviceType": "Metal processing",
      "provider": { "@id": "https://example.test/#organization" },
      "areaServed": { "@type": "Country", "name": "TR" }
    },
    {
      "@type": "WebPage",
      "@id": "https://example.test/services/laser-cutting/#webpage",
      "url": "https://example.test/services/laser-cutting/",
      "isPartOf": { "@id": "https://example.test/#website" },
      "about": { "@id": "https://example.test/#organization" },
      "dateModified": "2026-07-29"
    }
  ]
}

The JSON-LD block in this page's own source was produced by the same method; view the source in your browser and paste it into a validator to check it yourself.

What are the stages of a schema engagement?

Answer

Six stages: inventory, entity map, graph design, template implementation, validation and regression control. Each stage has its deliverable, acceptance measure and accountable party written down before it starts, and no stage closes on a statement — it closes on a verifiable output. Typical duration is three to six weeks, depending on scope.

  1. Inventory and current graph dump

    Every published page type is listed, the existing structured data is collected and run through a validator. The output states which node sits on which page, where it fails and which page types carry no graph at all.

    Deliverable
    Inventory table and error dump
    Acceptance measure
    Every page type listed, current state marked for each
    Accountable party
    Baki Bilisim (access provided by your team)
  2. Entity map

    The company, its legal entities, locations, people, services and products are related to each other on a single map. This is where it is decided which entity is modelled with which type, and which external records — corporate profiles, official registries — are linked as sameAs.

    Deliverable
    Entity diagram and relationship table
    Acceptance measure
    Every entity has a defined type, source and owner
    Accountable party
    Joint (verification of corporate facts stays with your company)
  3. @id architecture and graph design

    Every entity is given a permanent, unique @id, and repeated information is referenced rather than copied. The canonical form — protocol, host, trailing slash — is fixed for the whole site, so the same entity never exists twice under two identities.

    Deliverable
    Graph design document and @id rules
    Acceptance measure
    One @id per entity; identical canonical form on every page
    Accountable party
    Baki Bilisim
  4. Page-type mapping and template implementation

    A matrix defines which nodes each template emits, and the JSON-LD is written into the template rather than into individual pages. Multi-location structures get a LocalBusiness node per location; multilingual structures get language versions kept consistent with hreflang.

    Deliverable
    Mapping matrix and template files
    Acceptance measure
    Every template emits its own node; no hand-written JSON-LD is left
    Accountable party
    Baki Bilisim (CMS access provided by your team)
  5. Validation

    The Schema.org Validator, the Google Rich Results Test and Search Console enhancement reports are run together. A sample is taken from every page type, and errors and warnings are closed in the template that produced them rather than on a single page.

    Deliverable
    Validation report (tool, date, sampled page)
    Acceptance measure
    0 errors in the validator; a valid item of the targeted type
    Accountable party
    Baki Bilisim
  6. Regression control and handover

    The real risk is not the first build but every content update after it. A pre-publish check blocks releases carrying a broken or incomplete graph, and the content team is handed a written map of which field feeds which node.

    Deliverable
    Check script, checklist, handover document, briefing session
    Acceptance measure
    Releases published with a broken graph: 0
    Accountable party
    Joint (release flow stays with your team, the gate is ours)

These six stages run inside the wider engagement described in our process, contract and exit terms; no separate governance rhythm is introduced.

Which criteria must be met before the work counts as delivered?

Answer

Seven criteria: zero validator errors, a valid item on every template, one unique @id per entity, an exact match between schema and visible content, full coverage of required properties, no critical errors in Search Console enhancement reports, and a regression check that blocks releases carrying a broken graph. Thresholds and tools are in the table.

Criterion · threshold · measurement tool
Criterion Threshold Measurement tool
Validator error count0Schema.org Validator
Valid item of the targeted typeAt least 1 on every templateGoogle Rich Results Test
@id uniqueness and consistencyOne @id per entity, identical form on every pageGraph audit script
Schema to visible content matchExact for name, address, telephone and datesSampled manual check + script
Required property coverageFull coverage of the target type's required propertiesGoogle Rich Results Test
Post-launch enhancement report0 critical errors after 28 daysGoogle Search Console
Regression controlReleases published with a broken graph: 0Pre-publish check step
WHAT WE DO NOT PROMISE

We do not undertake that a rich result will be displayed, and we do not promise a ranking position. Valid markup is our responsibility; the decision to display belongs to the search engine. What the contract commits to is eligibility, measured with named tools on named dates.

Every number we publish about our own site carries its tool and its measurement date: this site's measured scores.

The seven questions we are asked most about structured data

What is structured data?

Structured data is a method of labelling the information on a page with a standard vocabulary (schema.org) so that search engines and language models read it one way only. On corporate sites it is applied as JSON-LD, a graph embedded in the page source. It does not change your visible content; it makes that content explicit for machines.

Which schema type should I use?

The type follows the page type: Organization for corporate identity, LocalBusiness for a site with a physical address, Service for service pages, Product for products, FAQPage for question sections, HowTo for step-by-step instructions, and Article or TechArticle for guides. Core nodes that repeat across the site are defined once and called from every other page by @id.

Does schema affect rankings directly?

Google does not describe structured data as a direct ranking factor; it uses it to understand content and to generate rich results. The indirect effect is measurable: a correctly built graph makes clear which question a page answers, establishes eligibility for rich result formats, and makes it easier for generative engines to describe the company accurately when they quote it.

Is a rich result guaranteed?

No. Valid structured data is the eligibility condition for a rich result; the decision to display one belongs to the search engine. That is why the contract commits to eligibility rather than display: zero validator errors, a valid item of the targeted type on every template, and no critical errors in Search Console enhancement reports.

How are schema errors found and fixed?

Three layers are used: the Schema.org Validator reports syntax and type errors, the Google Rich Results Test reports rich result eligibility, and Search Console enhancement reports aggregate errors across every published page. Fixes are applied at template level, not page by page, so an error closed in one template closes on every page that uses it.

Is plugin-generated schema enough?

On small sites it is a workable start; on corporate structures it falls short at three points. Plugins usually emit disconnected nodes that are never joined into an @id graph, they cannot model multi-location or multilingual structures, and they break silently when content is updated. Auditing and taking over the existing plugin output is also an option; rewriting from scratch is not compulsory.

Do AI engines read schema?

Generative engines process the HTML source of a page, JSON-LD blocks included, but none of them guarantees a citation because schema is present. The function of structured data here is entity clarity: when company name, address, founder, services and page relationships are defined once and consistently, the model reads the company instead of guessing it. We measure this alongside AEO and GEO work.

Questions about process, pricing, contracts and international invoicing are answered on the general FAQ page.

See the measured state of your digital assets within five working days.

The audit is free and creates no obligation to work with us. The report itemises AEO answerability, AI crawler access, Core Web Vitals, structured data validity and WCAG 2.1 AA gaps.

We work with corporate-scale, multi-location or multilingual organisations. One-off small jobs fall outside our scope; in that case we point you to smaller studios.