Service / Product / Offering Schema Suite: 90 checks

ID	Check	Passes when	Weight	Runs
6.2.01	Detect Service or Product schema	Present	Critical	Deterministic
6.2.02	Validate correct top-level type (Service, Product, ProfessionalService, etc.)	Accurate	Critical	Deterministic
6.2.03	Validate each service has unique @id	Unique	Heavy	Deterministic
6.2.04	Validate service schema in JSON-LD	Correct	Heavy	Deterministic
6.2.05	Validate no mixed schema formats	Clean	Heavy	Deterministic
6.2.06	Detect duplicate service schemas for same entity	None	Medium	Deterministic
6.2.07	Validate service name matches page H1	Exact	Critical	Deterministic
6.2.08	Validate service description meaningful and complete	Clear	Heavy	Deterministic
6.2.09	Validate description uses natural language (AI-friendly)	Yes	Heavy	Deterministic
6.2.10	Validate description aligns with entity content	Accurate	Heavy	Deterministic
6.2.11	Validate description includes deliverables	Present	Medium	Deterministic
6.2.12	Validate description includes target audience	Present	Medium	Deterministic
6.2.13	Validate description includes location/service area	Accurate	Medium	Deterministic
6.2.14	Detect Offer schema	Present	Heavy	Deterministic
6.2.15	Validate price or priceRange format	Valid	Heavy	Deterministic
6.2.16	Validate priceCurrency present	Yes	Medium	Deterministic
6.2.17	Validate availability (InStock, Available, InStoreOnly)	Correct	Medium	Deterministic
6.2.18	Validate validThrough if present	Correct	Medium	Deterministic
6.2.19	Validate itemCondition if relevant	Correct	Medium	Deterministic
6.2.20	Validate Offer URL matches canonical page	Correct	Medium	Deterministic
6.2.21	Validate serviceArea property present for SAB businesses	Present	Heavy	Deterministic
6.2.22	Validate serviceArea entities structured (GeoCircle, GeoShape)	Accurate	Heavy	Deterministic
6.2.23	Validate areaServed consistency with service pages	Consistent	Medium	Deterministic
6.2.24	Validate targetAudience (BusinessAudience, Consumer)	Accurate	Medium	Deterministic
6.2.25	Validate audience geographic attributes if used	Correct	Medium	Deterministic
6.2.26	Validate serviceCategory	Present	Heavy	Deterministic
6.2.27	Validate serviceType	Present	Heavy	Deterministic
6.2.28	Validate serviceClassification (industry codes, NAICS)	Accurate	Medium	Deterministic
6.2.29	Validate category matches page/main service topic	Consistent	Medium	Deterministic
6.2.30	Validate keywords included in schema when appropriate	Present	Medium	Deterministic
6.2.31	Validate provider is linked to Organization schema	Linked	Heavy	Deterministic
6.2.32	Validate provider @id matches entity @id	Consistent	Medium	Deterministic
6.2.33	Validate provider details consistent (name, URL, phone)	Accurate	Medium	Deterministic
6.2.34	Validate hasOfferCatalog for multi-service companies	Present	Medium	Deterministic
6.2.35	Validate each OfferCatalogItem name	Accurate	Medium	Deterministic
6.2.36	Validate CategoryHierarchy (hub → spoke → subspoke)	Correct	Medium	Deterministic
6.2.37	Validate Product schema completeness (for product-type pages)	Full	Heavy	Deterministic
6.2.38	Validate SKU if applicable	Present	Heavy	Deterministic
6.2.39	Validate MPN if applicable	Present	Heavy	Deterministic
6.2.40	Validate brand property	Accurate	Heavy	Deterministic
6.2.41	Validate product identifiers (UPC/EAN)	Correct	Medium	Deterministic
6.2.42	Validate product category	Correct	Medium	Deterministic
6.2.43	Validate image URLs present in schema	Present	Heavy	Deterministic
6.2.44	Validate images accessible (HTTP 200)	OK	Medium	Deterministic
6.2.45	Validate image captions/descriptions	Present	Medium	Deterministic
6.2.46	Validate video content via VideoObject if present	Correct	Medium	Deterministic
6.2.47	Validate video thumbnail accessibility	OK	Medium	Deterministic
6.2.48	Validate multiple images allowed when appropriate	Yes	Medium	Deterministic
6.2.49	Validate sameAs for service-specific references	Present	Heavy	Deterministic
6.2.50	Validate isSimilarTo for related services	Logical	Heavy	Deterministic
6.2.51	Validate serviceOutput property	Provided	Heavy	Deterministic
6.2.52	Validate serviceOperator property	Present	Heavy	Deterministic
6.2.53	Validate estimatedCost property	Accurate	Medium	Deterministic
6.2.54	Validate timeRequired	Present	Medium	Deterministic
6.2.55	Validate termsOfService URL	Correct	Medium	Deterministic
6.2.56	Validate serviceWarranty if offered	Correct	Medium	Deterministic
6.2.57	Validate applicableLocation	Accurate	Medium	Deterministic
6.2.58	Validate availableChannel (web, phone, in-person)	Correct	Medium	Deterministic
6.2.59	Validate hasOfferCatalog completeness	Full	Heavy	Deterministic
6.2.60	Validate OfferCatalogItem schema correctness	Valid	Heavy	Deterministic
6.2.61	Validate hierarchical service grouping (hub → spoke → subspoke)	Logical and consistent	Heavy	Deterministic
6.2.62	Validate no redundant or duplicated service definitions across pages	Clean	Heavy	Deterministic
6.2.63	Validate cluster coherence using isRelatedTo	Strong semantic relationships	Medium	Deterministic
6.2.64	Validate inclusion of audience, intent, and value propositions inside schema	Rich, descriptive	Heavy	Deterministic
6.2.65	Validate machine-readable bullet points included as arrays for features	Present	Heavy	Deterministic
6.2.66	Validate semantic anchors (entities, attributes, modalities) are embedded for AI systems	Present	Medium	Deterministic
6.2.67	Validate lateral linking to external authoritative entities	Present	Medium	Deterministic
6.2.68	Validate explicit definitions of outputs/outcomes for each service	Present	Medium	Deterministic
6.2.69	Validate inputRequirements property	Present	Medium	Deterministic
6.2.70	Validate AI agents can extract structured feature lists from JSON-LD	High extraction parity	Medium	Deterministic
6.2.71	Detect service schema duplicated across multiple unrelated pages	None	Heavy	Deterministic
6.2.72	Validate service schema is unique for the service page URL	Unique	Heavy	Deterministic
6.2.73	Validate canonical URL alignment with service schema	Perfect match	Heavy	Deterministic
6.2.74	Detect mismatches between service schema and actual page content	None	Heavy	Deterministic
6.2.75	Validate removal of outdated service schema versions or leftovers	Removed	Medium	Deterministic
6.2.76	Detect competing schemas describing the same offering	None	Medium	Deterministic
6.2.77	Validate schema passes Google Rich Results Test	Passed	Heavy	Deterministic
6.2.78	Validate schema passes Schema.org validator with zero errors	Passed	Heavy	Deterministic
6.2.79	Validate schema fields completeness >= 95%	Superior completeness	Heavy	Deterministic
6.2.80	Validate structured data accurately represents real-world offering	Accurate	Heavy	Deterministic
6.2.81	Validate no contradictory pricing or availability values across schema and page	Consistent	Medium	Deterministic
6.2.82	Validate no internal JSON-LD parsing errors during rendering	Clean	Medium	Deterministic
6.2.83	Validate schema version consistency across all service pages	Consistent	Medium	Deterministic
6.2.84	Validate image/video attachments properly typed	Correct	Medium	Deterministic
6.2.85	Validate schema is not duplicated across template-based pages (WordPress/React templates)	Unique	Medium	Deterministic
6.2.86	Validate schema load order does not conflict with JS hydration or rendering	Stable	Medium	Deterministic
6.2.87	Validate JSON-LD presence in rendered DOM (post-JS)	Present	Medium	Deterministic
6.2.88	Validate fallback schema remains available if JS fails	Present	Medium	Deterministic
6.2.89	Compute service/product schema completeness score	>= 90%	Heavy	Deterministic
6.2.90	Compute full Service/Product/Offering composite score	>= 90%	Critical	Deterministic

6.2 Service / Product / Offering Schema Suite

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