Home / Check catalog / 6. Schema, Local, Trust, Deep Audit / 6.37 On-Page SEO / Headings / Keywords / Entity Coverage / AI-Semantic Signaling

6.37 On-Page SEO / Headings / Keywords / Entity Coverage / AI-Semantic Signaling

200 checks in Schema, Local, Trust, Deep Audit. AI-assisted Scored in the Deep Audit's AI analysis pass.

Heading Structure — Hierarchy, Uniqueness, Semantic Order

ID	Check	Passes when	Weight	Runs
6.37.01	Validate exactly one H1 exists	Single	Critical	Deterministic + AI
6.37.02	Validate H1 contains primary entity/topic	Strong	Critical	Deterministic + AI
6.37.03	Validate H2s logically break main topic	Logical	Heavy	Deterministic + AI
6.37.04	Validate headings follow descending order (H1→H2→H3…)	Ordered	Heavy	Deterministic + AI
6.37.05	Validate H3s expand H2s properly	Expanded	Medium	Deterministic + AI
6.37.06	Validate no skipped heading levels (e.g., H2→H4)	Clean	Medium	Deterministic + AI
6.37.07	Validate headings not overused	Balanced	Medium	Deterministic + AI
6.37.08	Validate headings descriptive (not vague)	Descriptive	Medium	Deterministic + AI
6.37.09	Validate no duplicate headings	Unique	Medium	Deterministic + AI
6.37.10	Validate headings match section content meaning	Matched	Medium	Deterministic + AI

Primary Keyword Placement — Intent, Position, Semantic Fit

ID	Check	Passes when	Weight	Runs
6.37.11	Validate primary keyword appears in first 100 tokens	Early	Critical	Deterministic + AI
6.37.12	Validate primary keyword appears in H1	Present	Heavy	Deterministic + AI
6.37.13	Validate primary keyword appears naturally (no stuffing)	Natural	Heavy	Deterministic + AI
6.37.14	Validate keyword variation used at least once	Varied	Heavy	Deterministic + AI
6.37.15	Validate no excessive repetition (>3x per 500 words)	Balanced	Medium	Deterministic + AI
6.37.16	Validate keyword synonyms included	Included	Medium	Deterministic + AI
6.37.17	Validate primary keyword appears in meta title	Present	Medium	Deterministic + AI
6.37.18	Validate primary keyword appears in meta description	Present	Medium	Deterministic + AI
6.37.19	Validate primary keyword appears in URL slug (if appropriate)	Present	Medium	Deterministic + AI
6.37.20	Validate keyword placement does not disrupt grammar	Smooth	Medium	Deterministic + AI

Query Intent Alignment — Answer Delivery, Context Matching

ID	Check	Passes when	Weight	Runs
6.37.21	Identify query intent (informational/navigational/commercial)	Identified	Critical	Deterministic + AI
6.37.22	Validate page satisfies primary intent	Satisfied	Critical	Deterministic + AI
6.37.23	Validate page satisfies secondary intent (if exists)	Satisfied	Heavy	Deterministic + AI
6.37.24	Validate opening paragraph directly addresses query	Direct	Heavy	Deterministic + AI
6.37.25	Validate content provides actionable value	Actionable	Medium	Deterministic + AI
6.37.26	Validate content anticipates user follow‑up questions	Anticipated	Medium	Deterministic + AI
6.37.27	Validate content not overly commercial for informational intent	Correct	Medium	Deterministic + AI
6.37.28	Validate featured‑snippet style answer appears early	Present	Medium	Deterministic + AI
6.37.29	Validate direct answer appears in <50 tokens	Early	Medium	Deterministic + AI
6.37.30	Validate search intent not contradicted anywhere	Consistent	Medium	Deterministic + AI

Entity Coverage — Topical Completeness, Knowledge Graph Alignment

ID	Check	Passes when	Weight	Runs
6.37.31	Validate core entities appear explicitly	Explicit	Critical	Deterministic + AI
6.37.32	Validate entities appear with correct relationships	Correct	Heavy	Deterministic + AI
6.37.33	Validate entity definitions exist before usage	Defined	Heavy	Deterministic + AI
6.37.34	Validate supporting entities fully present	Present	Heavy	Deterministic + AI
6.37.35	Validate entity synonyms mapped properly	Mapped	Medium	Deterministic + AI
6.37.36	Validate no entity contradiction within page	None	Medium	Deterministic + AI
6.37.37	Validate named entities properly capitalized	Correct	Medium	Deterministic + AI
6.37.38	Validate entity frequency appropriate	Balanced	Medium	Deterministic + AI
6.37.39	Validate entity anchors (internal links) correct	Correct	Medium	Deterministic + AI
6.37.40	Validate every required topical sub‑entity appears at least once	Complete	Medium	Deterministic + AI

AI-Readability — Token Structure, Hallucination Prevention

ID	Check	Passes when	Weight	Runs
6.37.41	Validate content structured for LLM parsing	Structured	Heavy	Deterministic + AI
6.37.42	Validate no ambiguous pronouns (“it”, “this”, “that”)	Clear	Heavy	Deterministic + AI
6.37.43	Validate definitions appear before first use	Ordered	Heavy	Deterministic + AI
6.37.44	Validate paragraphs contain one idea each	Single	Medium	Deterministic + AI
6.37.45	Validate transitions preserve semantic continuity	Smooth	Medium	Deterministic + AI
6.37.46	Validate no hallucination triggers (vague claims, ambiguity)	Safe	Medium	Deterministic + AI
6.37.47	Validate context resets performed when switching topics	Reset	Medium	Deterministic + AI
6.37.48	Validate token order consistent across versions	Consistent	Medium	Deterministic + AI
6.37.49	Validate high‑value tokens appear near section starts	Prioritized	Medium	Deterministic + AI
6.37.50	Compute partial On‑Page SEO score for Chunk 1	Complete	Critical	Deterministic + AI

Semantic Coverage — Depth, Completeness, Competitor Alignment

ID	Check	Passes when	Weight	Runs
6.37.51	Validate all essential subtopics covered (SERP-derived)	Complete	Critical	Deterministic + AI
6.37.52	Validate semantic depth comparable or superior to top 5 competitors	Competitive	Heavy	Deterministic + AI
6.37.53	Validate paragraphs include supporting facts/data	Supported	Heavy	Deterministic + AI
6.37.54	Validate semantic clusters fully expanded	Expanded	Heavy	Deterministic + AI
6.37.55	Validate concept hierarchies explained	Hierarchical	Medium	Deterministic + AI
6.37.56	Validate topic breadth wide enough to satisfy intent	Sufficient	Medium	Deterministic + AI
6.37.57	Validate topic depth adequate for topic authority	Adequate	Medium	Deterministic + AI
6.37.58	Validate long-tail subtopics present	Present	Medium	Deterministic + AI
6.37.59	Validate section summaries present	Summarized	Medium	Deterministic + AI
6.37.60	Validate content includes contrast/comparison elements	Comparative	Medium	Deterministic + AI

Semantic Variants — Synonyms, Linguistic Spread, Lexical Richness

ID	Check	Passes when	Weight	Runs
6.37.61	Validate synonyms for core terms used	Used	Heavy	Deterministic + AI
6.37.62	Validate morphological variants present	Present	Heavy	Deterministic + AI
6.37.63	Validate related phrasings used to avoid monotony	Varied	Heavy	Deterministic + AI
6.37.64	Validate technical terms used correctly	Correct	Medium	Deterministic + AI
6.37.65	Validate colloquial variants used if appropriate	Appropriate	Medium	Deterministic + AI
6.37.66	Validate keyword stems incorporated	Incorporated	Medium	Deterministic + AI
6.37.67	Validate no unnatural synonym overuse	Natural	Medium	Deterministic + AI
6.37.68	Validate vocabulary variety at healthy range	Varied	Medium	Deterministic + AI
6.37.69	Validate text not overly repetitive	Balanced	Medium	Deterministic + AI
6.37.70	Validate semantic gaps filled	Filled	Medium	Deterministic + AI

Direct Answer Formatting — Snippets, AI Summarization, Clarity

ID	Check	Passes when	Weight	Runs
6.37.71	Validate a snippet-ready answer appears high on page	Present	Critical	Deterministic + AI
6.37.72	Validate direct answer concise (<50 tokens)	Concise	Heavy	Deterministic + AI
6.37.73	Validate definition-style sentences used appropriately	Defined	Heavy	Deterministic + AI
6.37.74	Validate tables/lists used to clarify complex ideas	Structured	Heavy	Deterministic + AI
6.37.75	Validate examples provided	Exampled	Medium	Deterministic + AI
6.37.76	Validate analogies included (if helpful)	Included	Medium	Deterministic + AI
6.37.77	Validate the “main answer” is not buried deep	Early	Medium	Deterministic + AI
6.37.78	Validate formatting helps AI summarizers	Summarizable	Medium	Deterministic + AI
6.37.79	Validate bullet lists used correctly	Correct	Medium	Deterministic + AI
6.37.80	Validate content avoids vague or partial answers	Complete	Medium	Deterministic + AI

Readability — Human & AI Comprehension, Structure, Flow

ID	Check	Passes when	Weight	Runs
6.37.81	Validate sentence length <25 tokens average	Readable	Heavy	Deterministic + AI
6.37.82	Validate paragraphs short (<150 tokens)	Short	Heavy	Deterministic + AI
6.37.83	Validate transition markers used (however, therefore, etc.)	Smooth	Heavy	Deterministic + AI
6.37.84	Validate active voice dominant	Active	Medium	Deterministic + AI
6.37.85	Validate jargon explained on first mention	Explained	Medium	Deterministic + AI
6.37.86	Validate content free of ambiguity	Clear	Medium	Deterministic + AI
6.37.87	Validate topic transitions non-disruptive	Continuous	Medium	Deterministic + AI
6.37.88	Validate headings used frequently for scanning	Scannable	Medium	Deterministic + AI
6.37.89	Validate lists used for clarity	Clear	Medium	Deterministic + AI
6.37.90	Validate long blocks of text avoided	Avoided	Medium	Deterministic + AI

Redundancy Removal — Anti-Fluff, Anti-Repetition, AI Signal Clarity

ID	Check	Passes when	Weight	Runs
6.37.91	Validate no redundant sentences	None	Heavy	Deterministic + AI
6.37.92	Validate no duplicated ideas	Unique	Heavy	Deterministic + AI
6.37.93	Validate content compressed where possible	Compressed	Heavy	Deterministic + AI
6.37.94	Validate no “empty” transition sentences	Removed	Medium	Deterministic + AI
6.37.95	Validate no circular explanations	None	Medium	Deterministic + AI
6.37.96	Validate sentences deliver value	Valuable	Medium	Deterministic + AI
6.37.97	Validate each paragraph introduces new information	New	Medium	Deterministic + AI
6.37.98	Validate no content filler detected	None	Medium	Deterministic + AI
6.37.99	Validate no contradicting statements	Consistent	Medium	Deterministic + AI
6.37.100	Compute partial On‑Page SEO score for Chunk 2	Complete	Critical	Deterministic + AI

Internal Linking — Context, Anchors, Semantic Graph

ID	Check	Passes when	Weight	Runs
6.37.101	Validate internal links support topic hierarchy	Hierarchical	Heavy	Deterministic + AI
6.37.102	Validate anchor text descriptive & context-rich	Descriptive	Heavy	Deterministic + AI
6.37.103	Validate no “click here / read more” anchors	None	Heavy	Deterministic + AI
6.37.104	Validate internal links point to correct canonical URLs	Correct	Heavy	Deterministic + AI
6.37.105	Validate internal links distributed evenly	Balanced	Medium	Deterministic + AI
6.37.106	Validate breadcrumbs present if relevant	Present	Medium	Deterministic + AI
6.37.107	Validate internal links not excessive	Moderate	Medium	Deterministic + AI
6.37.108	Validate no orphan pages referenced	None	Medium	Deterministic + AI
6.37.109	Validate entity‑linked anchors used	Used	Medium	Deterministic + AI
6.37.110	Validate all context nodes reachable	Reachable	Medium	Deterministic + AI

External Linking — Trust Building, Credibility, Authority Signals

ID	Check	Passes when	Weight	Runs
6.37.111	Validate external authoritative sources cited	Cited	Heavy	Deterministic + AI
6.37.112	Validate outbound links relevant to topic	Relevant	Heavy	Deterministic + AI
6.37.113	Validate no spammy external domains linked	Clean	Heavy	Deterministic + AI
6.37.114	Validate external links use rel attributes properly (nofollow/sponsored)	Correct	Medium	Deterministic + AI
6.37.115	Validate external link anchors clear	Clear	Medium	Deterministic + AI
6.37.116	Validate no excessive external linking	Balanced	Medium	Deterministic + AI
6.37.117	Validate citations properly formatted	Formatted	Medium	Deterministic + AI
6.37.118	Validate external sources not outdated	Updated	Medium	Deterministic + AI
6.37.119	Validate no broken external links	Working	Medium	Deterministic + AI
6.37.120	Validate authority-domain alignment	Authoritative	Medium	Deterministic + AI

Topical Authority — Depth, Cluster Alignment, Entity Graph

ID	Check	Passes when	Weight	Runs
6.37.121	Validate page fits into a topical cluster	Clustered	Critical	Deterministic + AI
6.37.122	Validate cluster depth adequate	Adequate	Heavy	Deterministic + AI
6.37.123	Validate page covers all “must‑include” subtopics	Complete	Heavy	Deterministic + AI
6.37.124	Validate schema for entities referenced	Structured	Heavy	Deterministic + AI
6.37.125	Validate cluster internal links correct	Correct	Medium	Deterministic + AI
6.37.126	Validate semantic nodes mapped to main entity	Mapped	Medium	Deterministic + AI
6.37.127	Validate cluster hierarchy respected	Ordered	Medium	Deterministic + AI
6.37.128	Validate no missing essential cluster articles	Complete	Medium	Deterministic + AI
6.37.129	Validate contextual relevance of cluster	Relevant	Medium	Deterministic + AI
6.37.130	Validate authority improved by contextual linking	Improved	Medium	Deterministic + AI

Context Delivery — Intro Quality, Definition Depth, Setup

ID	Check	Passes when	Weight	Runs
6.37.131	Validate opening paragraph establishes context clearly	Clear	Heavy	Deterministic + AI
6.37.132	Validate definitions provided when needed	Provided	Heavy	Deterministic + AI
6.37.133	Validate topic scope defined early	Defined	Heavy	Deterministic + AI
6.37.134	Validate reader guided through conceptual setup	Guided	Medium	Deterministic + AI
6.37.135	Validate background info adequate	Adequate	Medium	Deterministic + AI
6.37.136	Validate no abrupt topic starts	Smooth	Medium	Deterministic + AI
6.37.137	Validate context maintained across sections	Maintained	Medium	Deterministic + AI
6.37.138	Validate concluding sentence at end of intro	Present	Medium	Deterministic + AI
6.37.139	Validate intro matches searcher expectations	Matched	Medium	Deterministic + AI
6.37.140	Validate intro length appropriate	Balanced	Medium	Deterministic + AI

Content Professionalism — Tone, Credibility, Style

ID	Check	Passes when	Weight	Runs
6.37.141	Validate tone matches topic (formal/informal/etc.)	Aligned	Heavy	Deterministic + AI
6.37.142	Validate claims supported by evidence	Supported	Heavy	Deterministic + AI
6.37.143	Validate no exaggerated or misleading claims	Accurate	Heavy	Deterministic + AI
6.37.144	Validate consistent tone throughout	Consistent	Medium	Deterministic + AI
6.37.145	Validate domain expertise demonstrated	Expert	Medium	Deterministic + AI
6.37.146	Validate citations trustworthy	Trustworthy	Medium	Deterministic + AI
6.37.147	Validate writing style coherent	Coherent	Medium	Deterministic + AI
6.37.148	Validate no content contradicts industry standards	Accurate	Medium	Deterministic + AI
6.37.149	Validate tone not robotic or repetitive	Natural	Medium	Deterministic + AI
6.37.150	Compute partial On‑Page SEO score for Chunk 3	Complete	Critical	Deterministic + AI

Content Completeness — Depth, Breadth, Matching Top Ranked Pages

ID	Check	Passes when	Weight	Runs
6.37.151	Validate page answers every core question implied by query	Complete	Critical	Deterministic + AI
6.37.152	Validate page covers competitor‑matched subtopics	Covered	Heavy	Deterministic + AI
6.37.153	Validate page includes unique insights beyond competitors	Unique	Heavy	Deterministic + AI
6.37.154	Validate FAQ section exists where relevant	Present	Heavy	Deterministic + AI
6.37.155	Validate FAQs reflect People‑Also‑Ask questions	Mapped	Medium	Deterministic + AI
6.37.156	Validate deep-dive explanatory sections exist	Deep	Medium	Deterministic + AI
6.37.157	Validate statistics/facts included where relevant	Fact‑supported	Medium	Deterministic + AI
6.37.158	Validate expert quotes/industry views included if relevant	Included	Medium	Deterministic + AI
6.37.159	Validate page covers misconceptions and clarifications	Clarified	Medium	Deterministic + AI
6.37.160	Validate page includes scenario‑based explanations	Scenario‑based	Medium	Deterministic + AI

Page Engagement — Visuals, Formatting, UI/UX Signals

ID	Check	Passes when	Weight	Runs
6.37.161	Validate images support semantic meaning	Relevant	Heavy	Deterministic + AI
6.37.162	Validate graphs/diagrams used where appropriate	Used	Heavy	Deterministic + AI
6.37.163	Validate content formatting increases dwell time	Engaging	Heavy	Deterministic + AI
6.37.164	Validate CTAs present but not intrusive	Balanced	Medium	Deterministic + AI
6.37.165	Validate navigation aids (jump links) present	Present	Medium	Deterministic + AI
6.37.166	Validate sidebar content relevant (if used)	Relevant	Medium	Deterministic + AI
6.37.167	Validate user can scan content quickly	Scannable	Medium	Deterministic + AI
6.37.168	Validate mobile formatting not broken	Intact	Medium	Deterministic + AI
6.37.169	Validate no intrusive ads break reading flow	Clean	Medium	Deterministic + AI
6.37.170	Validate media elements (videos) enhance clarity	Helpful	Medium	Deterministic + AI

Advanced NLP Signaling — Entity Expansion, Knowledge Graph Alignment

ID	Check	Passes when	Weight	Runs
6.37.171	Validate entity graph matches Google's interpretation	Aligned	Critical	Deterministic + AI
6.37.172	Validate semantic associations between entities correct	Correct	Heavy	Deterministic + AI
6.37.173	Validate no ambiguous entity references	Unambiguous	Heavy	Deterministic + AI
6.37.174	Validate entity depth sufficient for topical authority	Deep	Heavy	Deterministic + AI
6.37.175	Validate LSI keywords introduced naturally	Natural	Medium	Deterministic + AI
6.37.176	Validate semantic neighborhoods covered	Covered	Medium	Deterministic + AI
6.37.177	Validate contextual cues around entities stable	Stable	Medium	Deterministic + AI
6.37.178	Validate relationships between entities explained	Explained	Medium	Deterministic + AI
6.37.179	Validate entity descriptions not contradicting Wikipedia/Wikidata	Consistent	Medium	Deterministic + AI
6.37.180	Validate entity‑anchoring sentences appear early	Anchored	Medium	Deterministic + AI

Contextual Reinforcement — Endings, Conclusions, CTA Relevance

ID	Check	Passes when	Weight	Runs
6.37.181	Validate conclusion summarizes core answer	Summarized	Heavy	Deterministic + AI
6.37.182	Validate conclusion reinforces main entity/topic	Reinforced	Heavy	Deterministic + AI
6.37.183	Validate no new unrelated topics introduced in conclusion	Clean	Heavy	Deterministic + AI
6.37.184	Validate conclusion contains actionable takeaway	Actionable	Medium	Deterministic + AI
6.37.185	Validate call‑to‑action contextually aligned	Aligned	Medium	Deterministic + AI
6.37.186	Validate closing paragraph ~100 tokens or less	Concise	Medium	Deterministic + AI
6.37.187	Validate closing avoids repetition	Fresh	Medium	Deterministic + AI
6.37.188	Validate topic end clearly communicated	Finalized	Medium	Deterministic + AI
6.37.189	Validate page provides closure for user intent	Closed	Medium	Deterministic + AI
6.37.190	Validate no open questions left unresolved	Resolved	Medium	Deterministic + AI

Final on-Page SEO Validation — Holistic Scoring

ID	Check	Passes when	Weight	Runs
6.37.191	Validate page fully answers user intent	Fully satisfied	Critical	Deterministic + AI
6.37.192	Validate semantic completeness top-tier in SERP	Top-tier	Critical	Deterministic + AI
6.37.193	Validate content ready for featured snippets	Eligible	Heavy	Deterministic + AI
6.37.194	Validate topic authority contribution strong	Strong	Heavy	Deterministic + AI
6.37.195	Validate content free from contradictions & ambiguity	Clean	Heavy	Deterministic + AI
6.37.196	Validate content reusable for AI answers	Reusable	Medium	Deterministic + AI
6.37.197	Validate page prepares AI agents with deterministic structure	Deterministic	Medium	Deterministic + AI
6.37.198	Validate on‑page formatting machine‑readable	Machine‑readable	Medium	Deterministic + AI
6.37.199	Identify any remaining semantic gaps	Identified	Medium	Deterministic + AI
6.37.200	Compute full ON‑PAGE SEO composite score	Finalized	Critical	Deterministic + AI

← 6.36 Core Web Vitals / Speed Optimization / Performance AI-Readiness6.38 Multimedia SEO (Images / Video / Audio) + AI Multimodal Readiness →

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