# Schema, Structured Data, and Technical GEO > FAQ schema produces a 350% citation increase. llms.txt opens a direct AI surface. Crawlability fixes recover citation share lost to invisible pages. This… Canonical URL: https://cite.solutions/topics/schema-and-structured-data Source: Cite Solutions (cite.solutions) --- Topic pillar19 briefs # Schema, Structured Data, and Technical GEO AI systems cannot cite content they cannot read. The most aggressive content strategy collapses if AI crawlers cannot reach the content. Roughly 73% of websites have crawlability issues that block at least one major AI crawler. The brands solving the technical layer first see step-function citation lift before any content optimization. Schema markup is the highest-leverage structural change a content team can make. FAQ schema produces a 350% citation increase across AI platforms, the largest single-format effect in the citation literature. HowTo, Article, and Organization schemas activate rich result eligibility on Google and improve entity grounding for AI systems across the board. Beyond schema, the newer file conventions (llms.txt and llms-full.txt) give AI crawlers a curated guide to your most important content, and structured data audits surface the gaps between what AI systems can see and what your site actually publishes. This pillar covers all of it. What this pillar covers * 01FAQ schema, HowTo schema, and Article schema citation impact * 02llms.txt and llms-full.txt: spec, deployment, and AI access * 03Crawlability audits for AI retrieval (GPTBot, ClaudeBot, PerplexityBot) * 04Schema audit workflows for entity, answer, and proof alignment * 05Comparison page and pricing page schema patterns that get cited Key terms [Schema Markup](/glossary)[FAQ Schema](/glossary)[llms.txt](/glossary)[Knowledge Graph](/glossary)[Discoverability](/glossary) ## Lead briefs [01Technical GuidesDo Glossary Pages Get Cited by AI?Glossary pages answer the definitional queries AI leans on most. Here is why AI cites glossary pages, and how to build one it will quote.Jul 11, 2026Read→](/blog/do-glossary-pages-get-cited-by-ai) [02Technical GuidesHow to Use an llms.txt Generator (and When Not To)An llms.txt generator drafts the file in seconds, but 97% of llms.txt files never get read. Here is how to build one that earns its place.Jul 11, 2026Read→](/blog/how-to-use-an-llms-txt-generator) [03StrategyAI Search for Ecommerce: How to Get Products CitedAI search for ecommerce is now a real discovery channel. Here is why AI skips your products and the steps to get your catalog cited and recommended.Jul 5, 2026Read→](/blog/geo-for-ecommerce-ai-search-visibility) ## Every brief in this pillar 16 more FiledBriefPillarTime [Jun 7Do AI Crawlers Actually Read llms.txt?Across 500M+ AI bot visits, only 408 fetched llms.txt. Here is what AI crawlers really do with the file, and whether it is worth publishing.Technical Guides9m](/blog/do-ai-crawlers-read-llms-txt)[May 26Should You Ship llms.txt If Google Says No?Google Search says you do not need llms.txt. Google Lighthouse 13.3 audits for it by default. Here is which Google signal to follow in 2026.Technical Guides10m](/blog/lighthouse-llms-txt-audit-contradiction)[May 22How to Run a Canonical and Query-Parameter Audit That Keeps AI Systems on the Right URLA lot of GEO teams fix prompts, proof blocks, and crawlability while messy URL variants still compete for the same answer. This guide shows how to run the canonical and parameter audit that clears that retrieval waste out.Technical Guides12m](/blog/canonical-query-parameter-audit-ai-retrieval)[May 12Should You Remove FAQPage Schema From Your Site?Google killed FAQ rich results on May 7\. The FAQPage schema itself is not deprecated, and it is now a primary AI citation signal across every major LLM.Technical GEO9m](/blog/should-you-remove-faqpage-schema)[May 5How to Run an HTML Parity Audit for AI Retrieval on JavaScript-Heavy SitesA page can look perfect in the browser and still fail AI retrieval if the answer, proof, links, or schema only show up after hydration. This guide shows you how to run the HTML parity audit that catches the gap.Technical Guides11m](/blog/html-parity-audit-ai-retrieval)[May 3A Brand With Zero Domain Authority Ranked Top-3 in ChatGPT in 14 Days. Here Is the Playbook.Otterly.ai built a fictional GEO agency with 7 pages, no schema, and zero domain authority. Then they built 16 off-page citations across 14 days. The result was rank #7 against established competitors, top-3 in ChatGPT, position 2 in Google AI Overviews, and 90 brand mentions. Here is the exact placement mix, the platform-by-platform breakdown, and what the 74% prompt-specificity finding means for content teams.GEO Strategy10m](/blog/off-page-citation-placement-zero-domain-authority)[May 2How to Build a GEO Release Checklist for Template Changes, Schema Parity, and Prompt QAMost teams QA page releases for rendering and rankings. Fewer QA whether template, schema, and content changes quietly break AI retrieval. This guide shows you how to build the release checklist that catches those failures before and after launch.Technical Guides10m](/blog/geo-release-checklist-template-changes-prompt-qa)[Apr 30How to Build a GEO Schema Deployment Matrix for Service, Pricing, Comparison, and Expert PagesMost schema advice stops at validation. Strong GEO teams need a deployment matrix that maps each page type to the right markup, visible proof, and QA checks before structured data ships at scale.Technical Guides11m](/blog/geo-schema-deployment-matrix-page-types)[Apr 24How to Build a GEO Evidence Ledger That Keeps AI-Cited Pages FreshMost teams know when an AI-cited page slips. Fewer know exactly which proof asset expired, who owns it, and where it needs to be updated. This guide shows you how to build a GEO evidence ledger that keeps answer blocks, pricing pages, case studies, and expert pages credible week after week.Technical Guides10m](/blog/geo-evidence-ledger-ai-citations)[Apr 23How to Run a GEO Internal Linking Audit That Supports AI Citation and Conversion PagesMost GEO teams audit prompts, pages, and schema. Fewer audit the links that connect proof assets to money pages. This guide shows you how to fix that with a practical internal-link workflow.Technical Guides10m](/blog/geo-internal-linking-audit-ai-citations)[Apr 22How to Protect AI Retrieval During a Site Migration: Redirects, Canonicals, and Prompt QAMost site migration checklists stop at rankings and broken links. This guide shows you how to preserve AI retrieval during a migration by protecting page purpose, redirect logic, canonical control, proof assets, and post-launch prompt QA.Technical Guides11m](/blog/protect-ai-retrieval-site-migration)[Apr 18How to Run an AEO Schema Audit That Aligns Entities, Answers, and ProofMost schema work still stops at validation. This guide shows you how to audit schema for answer-engine performance by checking entity clarity, visible-answer parity, proof support, and page-type markup across the pages that drive AI visibility.Technical Guides10m](/blog/aeo-schema-audit-entities-answers-proof)[Apr 18Google Just Defined a Second AEO. Here's What 'Agentic Engine Optimization' Means for Your Content.Addy Osmani, Google Cloud AI's Director of Engineering, published a formal framework defining 'Agentic Engine Optimization' as distinct from Answer Engine Optimization. It covers five pillars, specific token budgets, and file-based discovery methods like llms.txt and AGENTS.md. Here is what B2B SaaS content teams should do about it.GEO Strategy10m](/blog/agentic-engine-optimization-google-framework)[Apr 14How to Run a GEO Crawlability Audit That Improves AI RetrievalA lot of teams keep publishing answer-engine content on top of weak technical foundations. This guide shows you how to audit crawlability, canonicals, internal links, sitemaps, and structured context so the right pages can actually be retrieved and reused by AI systems.Technical Guides11m](/blog/geo-crawlability-audit-ai-retrieval)[Apr 11FAQ Schema Boosts AI Citations by 350%: What Otterly's 1 Million Citation Study FoundOtterly analyzed 1 million AI citations and found FAQ schema markup produces a 350% citation increase. The bigger finding: 73% of websites have crawlability issues that prevent AI systems from reading their content at all.Technical GEO8m](/blog/faq-schema-ai-citations)[Apr 7llms.txt: What It Is, What It Does, and Whether Your Site Actually Needs Itllms.txt is getting a lot of attention in GEO and AEO circles, but most of the commentary swings between hype and dismissal. Here's what the file actually does, what it cannot do, and when it is worth implementing.Technical Guides9m](/blog/llms-txt-what-it-is-and-why-your-site-needs-one) Pillar FAQ ## Common questions on Schema, Structured Data, and Technical GEO The questions buyers ask AI before they evaluate vendors. Each answer is structured to be cited. How much does FAQ schema actually lift AI citations? Otterly's analysis of one million AI citations found that FAQ schema produces a 350% citation increase compared to unstructured content. It is the largest single-format structural change a content team can make for AI visibility, and it requires no content rewrites, only adding the schema markup to existing FAQ sections. Do AI systems actually read llms.txt? Yes, increasingly. Major AI crawlers including OpenAI, Anthropic, and Perplexity respect llms.txt as a content discovery signal even though it is not yet a formal standard. The companion file llms-full.txt, which contains the full text of key pages in plain Markdown, lets AI systems ingest your knowledge base in a single fetch instead of crawling individual URLs. What technical issues most often block AI citations? JavaScript-rendered content that AI crawlers cannot execute, missing or stale sitemaps, robots.txt blocks against specific AI crawlers (often inherited from older configurations), and pages with no semantic HTML structure are the most common technical citation blockers. Fixing these is usually the highest-ROI work in the first month of any GEO program. ## Continue across pillars [PillarHow AI Citations WorkWhy some sources get cited everywhere and others never appear at all.](/topics/ai-citations)[PillarContent Structure for AI CitationPassages get cited. Pages do not.](/topics/answer-blocks-and-passages) ## Ready to become the answer AI gives? Book a 30-minute discovery call. We'll show you what AI says about your brand today. No pitch. Just data. [Book a Discovery Call](/contact)