{"id":5932,"date":"2025-11-25T14:13:33","date_gmt":"2025-11-25T14:13:33","guid":{"rendered":"https:\/\/www.stanventures.com\/news\/?p=5932"},"modified":"2025-11-25T14:13:33","modified_gmt":"2025-11-25T14:13:33","slug":"googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages","status":"publish","type":"post","link":"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/","title":{"rendered":"Google\u2019s John Mueller Pushes Back: Do LLMs Really Need Markdown-Only Pages?"},"content":{"rendered":"<p><strong>Google\u2019s John Mueller has directly questioned the growing trend of creating special LLM-only Markdown or JSON pages designed purely for AI models. He says LLMs already understand HTML perfectly well, and publishers shouldn\u2019t build pages \u201cthat no user sees.\u201d<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">The idea sounds logical at first. After all, <a href=\"https:\/\/www.stanventures.com\/news\/new-study-finds-llms-txt-has-no-clear-impact-on-ai-citations-5882\/\">large language models<\/a> thrive on clean, structured inputs.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So wouldn\u2019t giving them simplified \u201cshadow pages\u201d improve how AI reads your content? Would it help content surface better in AI answers or citations?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Should developers start optimizing specifically for<a href=\"https:\/\/www.stanventures.com\/news\/ai-bots-replacing-human-traffic-publisher-sites-4411\/\"> AI bots instead of humans<\/a>?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This week, Mueller made Google\u2019s position clear and his comments position a very different picture from what many SEOs feared or hoped for.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\"><\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#what-sparked-the-debate-about-creating-llm-only-pages\" >What Sparked the Debate About Creating LLM-Only Pages?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#what-did-john-mueller-say-about-llm-optimized-markdown-pages\" >What Did John Mueller Say About LLM-Optimized Markdown Pages?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#would-markdown-make-it-easier-for-ai-to-understand-content\" >Would Markdown Make It Easier for AI to Understand Content?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#do-llms-really-struggle-with-html-or-is-this-an-seo-myth\" >Do LLMs Really Struggle With HTML, or Is This an SEO Myth?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#what-about-structured-data-or-json-feeds-do-they-matter-here\" >What About Structured Data or JSON Feeds &amp; Do They Matter Here?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#so-should-websites-create-llm-optimized-pages-today\" >So Should Websites Create LLM-Optimized Pages Today?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#why-does-this-debate-matter-for-seo-and-ai-search\" >Why Does This Debate Matter for SEO and AI Search?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#what-should-publishers-actually-do-today-to-prepare-for-llm-search\" >What Should Publishers Actually Do Today to Prepare for LLM Search?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.stanventures.com\/news\/googles-john-mueller-pushes-back-do-llms-really-need-markdown-only-pages-5932\/#key-takeaways\" >Key Takeaways\u00a0<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"what-sparked-the-debate-about-creating-llm-only-pages\"><\/span><b>What Sparked the Debate About Creating LLM-Only Pages?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The conversation began when SEO expert Lily Ray posted a question on <a href=\"https:\/\/bsky.app\/profile\/lilyray.nyc\/post\/3m6czwcbblk2v\">Bluesky<\/a>.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5933\" src=\"https:\/\/www.stanventures.com\/news\/wp-content\/uploads\/2025\/11\/John-Muller-response-on-Bluesky.jpg\" alt=\"John Muller Response On Bluesky\" width=\"823\" height=\"784\" srcset=\"https:\/\/www.stanventures.com\/news\/wp-content\/uploads\/2025\/11\/John-Muller-response-on-Bluesky.jpg 823w, https:\/\/www.stanventures.com\/news\/wp-content\/uploads\/2025\/11\/John-Muller-response-on-Bluesky-300x286.jpg 300w\" sizes=\"auto, (max-width: 823px) 100vw, 823px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">She asked whether Google had any perspective on websites that were starting to create \u201cseparate markdown \/ JSON pages for LLMs\u201d and serve those URLs directly to AI bots.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This reflects a larger trend happening inside SEO circles:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Publishers, worried that <a href=\"https:\/\/www.stanventures.com\/ai-seo-services\/\">AI search experiences<\/a> (like ChatGPT, Gemini, or Perplexity) may not read or parse their websites.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">And this is the same way Googlebot does, experimenting with alternate, ultra-simple versions of their content.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some are creating:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Markdown-only copies<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">JSON versions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AI-optimized summaries<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Simplified \u201cshadow\u201d pages<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These are not intended for users, only for LLMs. The assumption?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cleaner formats = better AI interpretation = better <a href=\"https:\/\/www.stanventures.com\/news\/why-brand-mentions-citations-are-the-key-to-ai-search-visibility-4127\/\">visibility in AI search<\/a>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But Mueller\u2019s reply pushed back strongly against this entire concept.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"what-did-john-mueller-say-about-llm-optimized-markdown-pages\"><\/span><b>What Did John Mueller Say About LLM-Optimized Markdown Pages?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Mueller responded candidly, saying he was not aware of anything on Google\u2019s side that would require such pages or benefit from them.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">His reasoning was straightforward:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cLLMs have trained on, read &amp; parsed normal web pages since the beginning. It seems that they have no problems dealing with HTML.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In other words, LLMs do not struggle with HTML. They have been trained on trillions of tokens of standard HTML across the public web.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So why would they suddenly need alternate file formats?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mueller then added the key question:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWhy would they want to see a page that no user sees?\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is the core of Google\u2019s argument. If an LLM is meant to model human knowledge and language, why should it be fed content that humans themselves never encounter?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mueller\u2019s point suggests that creating bot-only experiences goes against how search engines and modern AI models are designed.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"would-markdown-make-it-easier-for-ai-to-understand-content\"><\/span><b>Would Markdown Make It Easier for AI to Understand Content?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Lily Ray followed up with a logical question: even if HTML is fine, wouldn\u2019t a cleaner, simpler file format help AI \u201cget to the key points faster\u201d?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mueller wasn\u2019t convinced. He said that if file formats significantly impacted AI quality, companies like Google, OpenAI, Anthropic, or Meta would publicly tell publishers to use those formats.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">His argument was blunt:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cAI companies are not really known for being shy.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mueller believes that if Markdown, only versions improved AI answers, the LLM providers themselves would already be loudly recommending it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Instead, we have heard nothing from them about switching formats only about improving clarity, structure and reducing heavy JavaScript.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"do-llms-really-struggle-with-html-or-is-this-an-seo-myth\"><\/span><b>Do LLMs Really Struggle With HTML, or Is This an SEO Myth?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">According to Mueller, LLMs don\u2019t struggle with HTML at all. He acknowledged that some pages perform better for AI systems than others but he made an important distinction:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is not about file format but about how readable the content is, whether by humans or bots.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Then he added one caveat: \u201cExcluding JS which still seems hard for many of these systems.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is where the nuance lies. LLMs struggle with:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heavy client-side rendering<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dynamic content hidden behind JS<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">React or Vue apps without server-side rendering<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Content that requires interaction to load<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">But plain HTML? LLMs have zero trouble with it. So the problem is not that AI needs Markdown, it is that AI struggles with JavaScript-heavy setups.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"what-about-structured-data-or-json-feeds-do-they-matter-here\"><\/span><b>What About Structured Data or JSON Feeds &amp; Do They Matter Here?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Yes, but only when the platform explicitly requests them.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the Bluesky discussion, Matt Wright pointed out that OpenAI\u2019s eCommerce product feeds already use JSON schemas.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These allow ChatGPT to ingest, organize and display product data reliably.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is different from creating Markdown pages \u201cjust in case.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the OpenAI example, the platform provides an official specification, and sites follow it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The conversation also referenced Chris Long\u2019s observation from LinkedIn: editorial sites using product schemas are more likely to appear in ChatGPT citations.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This reinforces a clearer rule: Structured data matters when a platform publishes requirements.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Shadow pages matter when\u2026 someone in an SEO forum suggests it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Only one of these is a valid optimization approach.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"so-should-websites-create-llm-optimized-pages-today\"><\/span><b>So Should Websites Create LLM-Optimized Pages Today?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Mueller\u2019s comments suggest a strong no.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">From Google\u2019s perspective: LLMs understand HTML<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AI companies have not requested alternate formats<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">File formats don\u2019t control quality of AI answers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bot-only pages violate long-standing SEO best practices<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Instead, Google wants publishers to focus on:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Clean HTML<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reduced JavaScript dependencies<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clear content structure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Proper metadata<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Using schema where appropriate<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The idea of LLM-only content is still speculative, experimental and unsupported by any major AI platform.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"why-does-this-debate-matter-for-seo-and-ai-search\"><\/span><b>Why Does This Debate Matter for SEO and AI Search?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Because it signals where SEO energy should and should not be spent. SEOs are increasingly concerned about:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AI Overviews<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AI Mode ranking factors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ChatGPT citations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Perplexity answers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Data ingestion rules<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AI-only crawling behavior<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">But without clear documentation from LLM providers, the risk is that teams invest heavily in tactics that do not move the needle.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mueller\u2019s response serves as a grounding point: HTML is enough. Structure is enough. Schema is enough. Clear content is enough.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Until AI companies publish formal ingestion rules, chasing alternate formats is premature.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"what-should-publishers-actually-do-today-to-prepare-for-llm-search\"><\/span><b>What Should Publishers Actually Do Today to Prepare for LLM Search?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The conversation points toward practical action, not speculation. For now, the best approach is to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Keep HTML clean and accessible<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limit dependency on JavaScript for key content<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use structured data where platforms provide schemas<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Focus on semantic clarity<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Improve information architecture<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">LLMs don\u2019t need Markdown.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00a0They need clarity and that starts with improving the pages users already see.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"key-takeaways\"><\/span><b>Key Takeaways\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Google\u2019s John Mueller says LLMs don\u2019t need Markdown-only or JSON-only bot pages.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">LLMs have always been trained on normal HTML, so alternate formats offer no clear benefit.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mueller believes AI companies would openly request specific formats if they mattered.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heavy JavaScript remains an issue for LLM parsing, not HTML itself.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Structured data matters when platforms publish official specs (e.g., OpenAI eCommerce feeds).<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Google\u2019s John Mueller has directly questioned the growing trend of creating special LLM-only Markdown or JSON pages designed purely for AI models. He says LLMs already understand HTML perfectly well, and publishers shouldn\u2019t build pages \u201cthat no user sees.\u201d The idea sounds logical at first. After all, large language models thrive on clean, structured inputs.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5933,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-5932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Do LLMs Need Markdown Pages? 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