Blog / Article / NewsArticle Schema Suite: 90 checks

ID	Check	Passes when	Weight	Runs
6.18.01	Detect BlogPosting/Article schema	Present	Critical	Deterministic
6.18.02	Validate correct @type (BlogPosting, Article, NewsArticle)	Accurate	Critical	Deterministic
6.18.03	Validate headline present and matches on-page title	Exact	Heavy	Deterministic
6.18.04	Validate description is present and aligned with meta description	High parity	Heavy	Deterministic
6.18.05	Validate article @id is unique and stable	Unique	Heavy	Deterministic
6.18.06	Validate author property present	Present	Heavy	Deterministic
6.18.07	Validate author name and identity present	Accurate	Heavy	Deterministic
6.18.08	Validate author URL or profile link (if present)	Valid	Medium	Deterministic
6.18.09	Validate multiple authors handled correctly	Accurate	Medium	Deterministic
6.18.10	Validate publisher (Organization) object present (if required)	Present	Medium	Deterministic
6.18.11	Validate datePublished present and correct format	Accurate	Heavy	Deterministic
6.18.12	Validate dateModified present and correct format	Accurate	Heavy	Deterministic
6.18.13	Validate timestamp parity between schema and visible article	Exact	Heavy	Deterministic
6.18.14	Validate update frequency logical (no unrealistic patterns)	Logical	Medium	Deterministic
6.18.15	Validate firstPublished date tracked correctly	Accurate	Medium	Deterministic
6.18.16	Validate image property present	Present	Heavy	Deterministic
6.18.17	Validate hero image resolution meets Google specs	>=1200px width	Heavy	Deterministic
6.18.18	Validate hero image loads with 200 status	OK	Heavy	Deterministic
6.18.19	Validate alt text meaningful & descriptive	Strong	Medium	Deterministic
6.18.20	Validate no broken or outdated hero images	Clean	Medium	Deterministic
6.18.21	Validate H1/H2/H3 hierarchy logical & semantic	Strong	Heavy	Deterministic
6.18.22	Validate paragraph readability score meets AI thresholds	High	Heavy	Deterministic
6.18.23	Validate article covers main topic comprehensively	Strong	Heavy	Deterministic
6.18.24	Validate entity definitions present for primary concepts	Present	Medium	Deterministic
6.18.25	Validate article not overly thin (<300 words)	Pass	Medium	Deterministic
6.18.26	Validate Article schema passes Rich Results test	Pass	Medium	Deterministic
6.18.27	Validate article structure renders correctly with JS disabled	Stable	Medium	Deterministic
6.18.28	Validate internal links present to related topics	Present	Medium	Deterministic
6.18.29	Validate canonical URL present and accurate	Exact	Medium	Deterministic
6.18.30	Compute partial article score for Chunk 1	Complete	Medium	Deterministic
6.18.31	Validate article belongs to a topic cluster	Present	Heavy	Deterministic
6.18.32	Validate internal links to pillar pages	Present	Heavy	Deterministic
6.18.33	Validate internal links to related subtopic pages	Present	Heavy	Deterministic
6.18.34	Validate article receives internal links from other cluster pages	Present	Heavy	Deterministic
6.18.35	Validate internal anchor text descriptive & relevant	Accurate	Medium	Deterministic
6.18.36	Validate article is unique across domain (no duplicates)	Unique	Heavy	Deterministic
6.18.37	Validate no cross-domain duplicates of same content	Clean	Heavy	Deterministic
6.18.38	Validate article passes AI-content detection (not overly generic)	Pass	Heavy	Deterministic
6.18.39	Validate semantic richness (entities, insights, data)	Strong	Medium	Deterministic
6.18.40	Validate originality of phrasing and structure	Strong	Medium	Deterministic
6.18.41	Validate ArticlePage LCP < 2.5s	Pass	Heavy	Deterministic
6.18.42	Validate no layout shifts from hero image (CLS stable)	Pass	Heavy	Deterministic
6.18.43	Validate article loads without render-blocking JS	Clean	Heavy	Deterministic
6.18.44	Validate JavaScript disabled still loads main content	Accessible	Medium	Deterministic
6.18.45	Validate fonts & images optimized	Optimized	Medium	Deterministic
6.18.46	Validate video objects (if included) follow schema rules	Accurate	Heavy	Deterministic
6.18.47	Validate video thumbnail resolution meets requirements	High quality	Heavy	Deterministic
6.18.48	Validate image galleries include descriptive alt text	Present	Medium	Deterministic
6.18.49	Validate audio embeds have transcripts available (if applicable)	Present	Medium	Deterministic
6.18.50	Validate Article schema exists for each language version	Present	Heavy	Deterministic
6.18.51	Validate headline translations preserve meaning	High parity	Heavy	Deterministic
6.18.52	Validate body content properly translated (no machine errors)	High parity	Heavy	Deterministic
6.18.53	Validate hreflang cross-linking between article language variants	Accurate	Medium	Deterministic
6.18.54	Validate images remain language‑agnostic across versions	Consistent	Medium	Deterministic
6.18.55	Validate structured metadata supports Discover eligibility	Pass	Heavy	Deterministic
6.18.56	Validate article freshness (recently updated / evergreen refresh)	Present	Heavy	Deterministic
6.18.57	Validate headline click-through suitability (CTR‑optimized wording)	Strong	Medium	Deterministic
6.18.58	Validate presence of estimated reading time	Present	Medium	Deterministic
6.18.59	Validate ArticlePage passes Rich Results tests	Pass	Medium	Deterministic
6.18.60	Compute partial article score for Chunk 2	Complete	Medium	Deterministic
6.18.61	Validate keyword/topic focus matches article intent	Accurate	Heavy	Deterministic
6.18.62	Validate entities (People, Places, Things) properly introduced	Strong	Heavy	Deterministic
6.18.63	Validate article includes structured factual data (if relevant)	Present	Heavy	Deterministic
6.18.64	Validate semantic variants & synonyms included naturally	Present	Medium	Deterministic
6.18.65	Validate AI readability signals (short sentences, clear patterns)	Strong	Medium	Deterministic
6.18.66	Validate external links to authoritative sources	Present	Heavy	Deterministic
6.18.67	Validate external links relevant to article content	Accurate	Heavy	Deterministic
6.18.68	Validate citation formatting (journalistic or academic style)	Present	Medium	Deterministic
6.18.69	Validate no broken or redirected external links	Clean	Medium	Deterministic
6.18.70	Validate readable font size, spacing, and layout	Strong	Heavy	Deterministic
6.18.71	Validate sticky or accessible Table of Contents (if article >1,000 words)	Present	Heavy	Deterministic
6.18.72	Validate accessibility (contrast, alt text, heading order)	Accessible	Medium	Deterministic
6.18.73	Validate article includes interactive or rich elements (if relevant)	Present	Medium	Deterministic
6.18.74	Validate no duplicate article URLs	Clean	Heavy	Deterministic
6.18.75	Validate canonical URL correct for all language variants	Exact	Heavy	Deterministic
6.18.76	Validate no content duplication across multi-category listing pages	Clean	Medium	Deterministic
6.18.77	Validate article appears only once in sitemap.xml	Present	Medium	Deterministic
6.18.78	Validate hreflang cluster complete (all variants referencing each other)	Complete	Heavy	Deterministic
6.18.79	Validate language-specific canonical logic (correct self-referencing)	Accurate	Heavy	Deterministic
6.18.80	Validate translated metadata parity (titles, descriptions)	Strong	Medium	Deterministic
6.18.81	Validate images remain consistent across languages unless localized	Consistent	Medium	Deterministic
6.18.82	Validate Article schema loads in initial DOM	Present	Heavy	Deterministic
6.18.83	Validate no JS-based delayed article rendering	Clean	Heavy	Deterministic
6.18.84	Validate lazy-loading appropriate for images	Present	Medium	Deterministic
6.18.85	Validate article indexability (not blocked by robots.txt)	Accessible	Medium	Deterministic
6.18.86	Validate entire article schema passes all validators	Pass	Heavy	Deterministic
6.18.87	Validate no conflicting multiple Article schemas	Clean	Heavy	Deterministic
6.18.88	Validate article entity relationships (Article → Author → Org → Topic)	Logical	Medium	Deterministic
6.18.89	Validate overall content quality & depth for AI embeddings	Strong	Medium	Deterministic
6.18.90	Compute full article composite score for Section 6.18	>= 90%	Critical	Deterministic

6.18 Blog / Article / NewsArticle Schema Suite

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