{"id":8563,"date":"2025-12-02T10:40:50","date_gmt":"2025-12-02T10:40:50","guid":{"rendered":"https:\/\/www.searchviu.com\/?p=8563"},"modified":"2025-12-02T10:42:54","modified_gmt":"2025-12-02T10:42:54","slug":"schema-markup-and-ai-in-2025-what-chatgpt-claude-perplexity-gemini-really-see","status":"publish","type":"post","link":"https:\/\/www.searchviu.com\/de\/schema-markup-und-ai-in-2025-was-chatgpt-claude-perplexity-gemini-wirklich-sehen\/","title":{"rendered":"Schema Markup und AI 2025: Was ChatGPT, Claude, Perplexity &amp; Gemini wirklich sehen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8563\" class=\"elementor elementor-8563\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e48ece2 e-flex e-con-boxed e-con e-parent\" data-id=\"e48ece2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36ea31e elementor-widget elementor-widget-html\" data-id=\"36ea31e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\n        * {\n            margin: 0;\n            padding: 0;\n            box-sizing: border-box;\n        }\n        \n        body {\n            font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;\n            line-height: 1.7;\n            color: #8A8A8A;\n            background: #F4F4F4;\n        }\n        \n        .header {\n            background: #131A2D;\n            padding: 25px 0;\n            box-shadow: 0 2px 8px rgba(0,0,0,0.1);\n        }\n        \n        .header-content {\n            max-width: 900px;\n            margin: 0 auto;\n            padding: 0 20px;\n            text-align: center;\n        }\n        \n 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           color: #0B9D96;\n        }\n        \n        .schema-comparison {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));\n            gap: 20px;\n            margin: 30px 0;\n        }\n        \n        .schema-card {\n            background: white;\n            border: 2px solid #F4F4F4;\n            border-radius: 12px;\n            padding: 25px;\n            transition: all 0.3s ease;\n        }\n        \n        .schema-card:hover {\n            border-color: #0B9D96;\n            transform: translateY(-5px);\n            box-shadow: 0 8px 20px rgba(11,157,150,0.2);\n        }\n        \n        .schema-card h4 {\n            color: #131A2D;\n            font-size: 1.3em;\n            margin-bottom: 15px;\n            font-weight: 700;\n        }\n        \n        .schema-badge {\n            display: inline-block;\n            padding: 5px 12px;\n            background: #0B9D96;\n            color: white;\n            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40px;\n        }\n        \n        li {\n            margin-bottom: 10px;\n        }\n        \n        strong {\n            color: #131A2D;\n            font-weight: 700;\n        }\n        \n        .conclusion {\n            background: linear-gradient(135deg, #F4E979 0%, #FFE62A 100%);\n            padding: 35px;\n            margin: 40px 0;\n            border-radius: 12px;\n        }\n        \n        .conclusion h2 {\n            color: #131A2D;\n            border-bottom: none;\n            margin-top: 0;\n        }\n        \n        .conclusion p, .conclusion li {\n            color: #131A2D;\n        }\n        \n        .cta-box {\n            background: #0B9D96;\n            color: white;\n            padding: 30px;\n            border-radius: 12px;\n            text-align: center;\n            margin: 40px 0;\n        }\n        \n        .cta-box h3 {\n            color: white;\n            margin-top: 0;\n        }\n        \n        .cta-button {\n            display: inline-block;\n            padding: 15px 35px;\n            background: #FFE62A;\n            color: #131A2D;\n            text-decoration: none;\n            border-radius: 8px;\n            font-weight: 700;\n            margin-top: 15px;\n            transition: all 0.3s ease;\n        }\n        \n        .cta-button:hover {\n            background: #F4E979;\n            transform: translateY(-2px);\n            box-shadow: 0 4px 12px rgba(0,0,0,0.2);\n        }\n        \n        .footer {\n            background: #131A2D;\n            color: #8A8A8A;\n            padding: 30px 20px;\n            text-align: center;\n            margin-top: 0;\n        }\n        \n        .footer .logo {\n            font-size: 1.5em;\n            margin-bottom: 10px;\n        }\n        \n        @media (max-width: 768px) {\n            h1 {\n                font-size: 1.8em;\n            }\n            \n            h2 {\n                font-size: 1.4em;\n            }\n            \n            .container {\n                padding: 20px 15px;\n            }\n            \n            .infographic {\n                padding: 25px 20px;\n            }\n            \n            .schema-comparison {\n                grid-template-columns: 1fr;\n            }\n        }\n    <\/style>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d73eb8b elementor-widget elementor-widget-html\" data-id=\"d73eb8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<section>\n          \n            <p>AI systems like ChatGPT, Claude, and Perplexity collect web data in multiple phases. To understand whether and how Schema Markup is used, we need to examine these phases more closely:<\/p>\n            \n            <div style=\"background: white; border: 2px solid #0B9D96; border-radius: 8px; padding: 25px; margin: 30px 0;\">\n                <h3 style=\"color: #131A2D; margin-top: 0; margin-bottom: 20px;\">The AI Data Processing Pipeline<\/h3>\n                \n                <div style=\"display: flex; flex-direction: column; gap: 8px;\">\n                    <div style=\"background: #F9F9F9; padding: 12px 15px; border-radius: 5px; border-left: 3px solid #8A8A8A;\">\n                        <div style=\"font-weight: 600; color: #131A2D; margin-bottom: 3px; font-size: 0.95em;\">Phase 1: Training<\/div>\n                        <div style=\"font-size: 0.85em; color: #666;\">Web crawlers collect billions of web pages for LLM training. Schema could be incorporated into training data here.<\/div>\n                    <\/div>\n                    \n                    <div style=\"text-align: center; color: #8A8A8A; font-size: 1.2em; padding: 2px 0;\">\u2193<\/div>\n                    \n                    <div style=\"background: #F9F9F9; padding: 12px 15px; border-radius: 5px; border-left: 3px solid #8A8A8A;\">\n                        <div style=\"font-weight: 600; color: #131A2D; margin-bottom: 3px; font-size: 0.95em;\">Phase 2: Indexing<\/div>\n                        <div style=\"font-size: 0.85em; color: #666;\">Search engines store metadata and structured data. <strong>Schema is extracted here!<\/strong><\/div>\n                    <\/div>\n                    \n                    <div style=\"text-align: center; color: #8A8A8A; font-size: 1.2em; padding: 2px 0;\">\u2193<\/div>\n                    \n                    <div style=\"background: #F9F9F9; padding: 12px 15px; border-radius: 5px; border-left: 3px solid #8A8A8A;\">\n                        <div style=\"font-weight: 600; color: #131A2D; margin-bottom: 3px; font-size: 0.95em;\">Phase 3: Search<\/div>\n                        <div style=\"font-size: 0.85em; color: #666;\">AI searches the index for relevant pages. Can access stored Schema data.<\/div>\n                    <\/div>\n                    \n                    <div style=\"text-align: center; color: #8A8A8A; font-size: 1.2em; padding: 2px 0;\">\u2193<\/div>\n                    \n                    <div style=\"background: #FFF9E6; padding: 12px 15px; border-radius: 5px; border-left: 3px solid #FFE62A;\">\n                        <div style=\"font-weight: 600; color: #131A2D; margin-bottom: 3px; font-size: 0.95em;\">Phase 4: Direct Fetch <span style=\"background: #FFE62A; padding: 2px 8px; border-radius: 3px; font-size: 0.8em; font-weight: 600; margin-left: 5px;\">Tested<\/span><\/div>\n                        <div style=\"font-size: 0.85em; color: #666;\">Chatbot retrieves page directly. Parser extracts only visible content.<\/div>\n                    <\/div>\n                <\/div>\n                \n                <div style=\"background: #F4F4F4; border-left: 3px solid #8A8A8A; padding: 12px; margin-top: 20px; border-radius: 4px;\">\n                    <p style=\"margin: 0; font-size: 0.85em; line-height: 1.6; color: #414141;\">\n                        <strong>Note:<\/strong> Our tests primarily show Phase 4 (Direct Fetch). Schema Markup could very well be used in Phases 1-3 \u2013 especially by Google AI Overviews and Bing Copilot, which have access to search indexes.\n                    <\/p>\n                <\/div>\n            <\/div>\n            \n            <p style=\"margin-top: 30px;\">To find out whether AI systems use Schema Markup during direct fetch (Phase 4), we conducted comprehensive tests in October 2025. The results are surprising: <strong>Current AI chatbots do NOT use JSON-LD Schema Markup during direct retrieval.<\/strong> Instead, they exclusively extract visible HTML content.<\/p>\n        <\/section>\n\n        <section>\n            <h2>Schema Markup Formats: JSON-LD, Microdata, and RDFa<\/h2>\n            \n            <p>Before we examine how AI systems handle Schema Markup, it's important to understand that there are different formats for implementing structured data. Each format has its own advantages and disadvantages:<\/p>\n            \n            <div class=\"schema-comparison\">\n                <div class=\"schema-card\">\n                    <span class=\"schema-badge\">Recommended<\/span>\n                    <h4>JSON-LD<\/h4>\n                    <p><strong>JavaScript Object Notation for Linked Data<\/strong> \u2013 The format recommended by Google. It is separated from HTML and is implemented in <code>&lt;script&gt;<\/code> tags.<\/p>\n                    \n                    <div class=\"pros-cons\">\n                        <h5>\u2705 Advantages:<\/h5>\n                        <ul>\n                            <li>Easy to implement and maintain<\/li>\n                            <li>Separates structure from HTML code<\/li>\n                            <li>No content duplication necessary<\/li>\n                            <li>Google's preferred format in 2025<\/li>\n                        <\/ul>\n                        \n                        <h5>\u26a0\ufe0f Disadvantages:<\/h5>\n                        <ul>\n                            <li>Content may need to be repeated<\/li>\n                            <li>Manual updates needed when changes occur<\/li>\n                        <\/ul>\n                    <\/div>\n                <\/div>\n                \n                <div class=\"schema-card\">\n                    <span class=\"schema-badge\" style=\"background: #467487;\">Standard<\/span>\n                    <h4>Microdata<\/h4>\n                    <p><strong>HTML specification<\/strong> for nesting structured data within HTML content. Uses attributes like <code>itemscope<\/code>, <code>itemtype<\/code>, and <code>itemprop<\/code>.<\/p>\n                    \n                    <div class=\"pros-cons\">\n                        <h5>\u2705 Advantages:<\/h5>\n                        <ul>\n                            <li>Directly integrated into HTML<\/li>\n                            <li>No content duplication<\/li>\n                            <li>Historically widespread<\/li>\n                        <\/ul>\n                        \n                        <h5>\u26a0\ufe0f Disadvantages:<\/h5>\n                        <ul>\n                            <li>Can make HTML code cluttered<\/li>\n                            <li>More difficult to maintain<\/li>\n                            <li>No longer a W3C standard<\/li>\n                        <\/ul>\n                    <\/div>\n                <\/div>\n                \n                <div class=\"schema-card\">\n                    <span class=\"schema-badge\" style=\"background: #467487;\">Alternative<\/span>\n                    <h4>RDFa<\/h4>\n                    <p><strong>Resource Description Framework in Attributes<\/strong> \u2013 An HTML extension that embeds structured data via attributes like <code>vocab<\/code>, <code>typeof<\/code>, and <code>property<\/code>.<\/p>\n                    \n                    <div class=\"pros-cons\">\n                        <h5>\u2705 Advantages:<\/h5>\n                        <ul>\n                            <li>W3C standard<\/li>\n                            <li>Flexible for complex data<\/li>\n                            <li>Multiple vocabularies possible<\/li>\n                        <\/ul>\n                        \n                        <h5>\u26a0\ufe0f Disadvantages:<\/h5>\n                        <ul>\n                            <li>Steep learning curve<\/li>\n                            <li>Can make code cluttered<\/li>\n                            <li>Less widespread than JSON-LD<\/li>\n                        <\/ul>\n                    <\/div>\n                <\/div>\n            <\/div>\n            \n            <div class=\"highlight-box\">\n                <strong>Recommendation for 2025:<\/strong> Use JSON-LD for new implementations. All three formats are supported by search engines, but JSON-LD is easiest to implement and maintain. Google explicitly recommends JSON-LD and most modern tools and frameworks support this format.\n            <\/div>\n        <\/section>\n\n        <section>\n            <h2>Test Methodology: Do AI Systems Actually Use Schema Markup?<\/h2>\n            \n            <p>To definitively answer this question, we conducted a practical test with a specially developed test page. Our goal was to determine whether popular AI systems like ChatGPT, Perplexity, and Gemini can extract information from various sources on a web page.<\/p>\n            \n            <h3>Test Page Design<\/h3>\n            \n            <p>We created a test page for a fictional product: \"searchVIU Premium GEO Bears.\" The page contains three product variants with pricing information distributed across different sources:<\/p>\n            \n            <div class=\"test-products\">\n                <h3>\ud83e\uddea Test Scenarios in Detail<\/h3>\n                \n                <h4 style=\"color: #FFE62A; margin-top: 20px; margin-bottom: 15px;\">JSON-LD Tests<\/h4>\n                \n                <div class=\"product-test\">\n                    <h4>Test 1: Blue GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac5.99<\/p>\n                    <p><strong>Format:<\/strong> No Schema (Baseline)<\/p>\n                    <p><strong>Source:<\/strong> Visible HTML content \u2013 Product information displayed in standard HTML that users can see on the page<\/p>\n                    <p><strong>Goal:<\/strong> Baseline test \u2013 all AI systems should be able to find this \u2705<\/p>\n                <\/div>\n                \n                <div class=\"product-test\">\n                    <h4>Test 2: Unicorn Premium GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac12.99<\/p>\n                    <p><strong>Format:<\/strong> No Schema (JavaScript Test)<\/p>\n                    <p><strong>Source:<\/strong> JavaScript-rendered content \u2013 Prices inserted into the DOM via JavaScript after page load<\/p>\n                    <p><strong>Goal:<\/strong> Test whether AI systems execute JavaScript or use headless browsers<\/p>\n                <\/div>\n                \n                <div class=\"product-test\">\n                    <h4>Test 3: Rainbow Premium GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac8.99<\/p>\n                    <p><strong>Format:<\/strong> JSON-LD (Schema only)<\/p>\n                    <p><strong>Source:<\/strong> Schema Markup only \u2013 Prices contained exclusively in JSON-LD Schema Markup, but not visible anywhere on the page<\/p>\n                    <p><strong>Goal:<\/strong> Core test \u2013 can AI systems extract pure JSON-LD Schema data?<\/p>\n                <\/div>\n                \n                <div class=\"product-test\">\n                    <h4>Test 4: Glitter Premium GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac15.99<\/p>\n                    <p><strong>Format:<\/strong> JSON-LD (dynamic via JavaScript)<\/p>\n                    <p><strong>Source:<\/strong> Schema in JavaScript \u2013 JSON-LD dynamically inserted via JavaScript<\/p>\n                    <p><strong>Goal:<\/strong> Combined test for JavaScript execution AND Schema parsing<\/p>\n                <\/div>\n                \n                <h4 style=\"color: #FFE62A; margin-top: 30px; margin-bottom: 15px;\">Microdata Tests<\/h4>\n                \n                <div class=\"product-test\">\n                    <h4>Test 5: Orange Premium GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac7.49<\/p>\n                    <p><strong>Format:<\/strong> Microdata (hidden with &lt;meta&gt; tags)<\/p>\n                    <p><strong>Source:<\/strong> Microdata Schema with itemscope, itemtype, itemprop \u2013 Price only in &lt;meta&gt; tags, not visible on page<\/p>\n                    <p><strong>Goal:<\/strong> Can AI systems parse Microdata format? Is hidden Microdata recognized?<\/p>\n                <\/div>\n                \n                <div class=\"product-test\">\n                    <h4>Test 6: Cherry Premium GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac6.49<\/p>\n                    <p><strong>Format:<\/strong> Microdata (visible in HTML)<\/p>\n                    <p><strong>Source:<\/strong> Microdata directly embedded in visible HTML elements<\/p>\n                    <p><strong>Goal:<\/strong> Comparison: Is visible Microdata recognized better than hidden?<\/p>\n                <\/div>\n                \n                <h4 style=\"color: #FFE62A; margin-top: 30px; margin-bottom: 15px;\">RDFa Tests<\/h4>\n                \n                <div class=\"product-test\">\n                    <h4>Test 7: Mint Premium GEO Bears<\/h4>\n                    <p><strong>RDFa Price:<\/strong> \u20ac11.99 | <strong>JSON-LD Price:<\/strong> \u20ac9.99<\/p>\n                    <p><strong>Format:<\/strong> RDFa (hidden) + JSON-LD<\/p>\n                    <p><strong>Source:<\/strong> Double test \u2013 both RDFa with &lt;meta&gt; tags (\u20ac11.99) and JSON-LD Schema (\u20ac9.99) with different prices<\/p>\n                    <p><strong>Goal:<\/strong> Which format is preferred? Which price is mentioned? Does AI recognize the conflict?<\/p>\n                <\/div>\n                \n                <div class=\"product-test\">\n                    <h4>Test 8: Lemon Premium GEO Bears<\/h4>\n                    <p><strong>Price:<\/strong> \u20ac5.49<\/p>\n                    <p><strong>Format:<\/strong> RDFa (visible in HTML)<\/p>\n                    <p><strong>Source:<\/strong> RDFa with vocab, typeof, property \u2013 directly in visible HTML elements<\/p>\n                    <p><strong>Goal:<\/strong> Can AI systems parse RDFa format? Comparison with Microdata<\/p>\n                <\/div>\n            <\/div>\n            \n            <div class=\"code-block\">\nExample Schema Markup Structure (Test 3):\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"searchVIU Rainbow Premium GEO Bears\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"8.99\",\n    \"priceCurrency\": \"EUR\"\n  }\n}\n            <\/div>\n        <\/section>\n\n        <section>\n            <h2>Experimental Results<\/h2>\n            \n            <p><strong>Test Protocol:<\/strong> We queried each AI system 10 times to ensure consistency and avoid anomalies. The questions were designed to specifically ask for prices and product details distributed across the various content sources.<\/p>\n            \n            <div style=\"background: white; border: 3px solid #0B9D96; border-radius: 12px; padding: 40px; margin: 30px 0;\">\n                <h3 style=\"color: #131A2D; text-align: center; margin-bottom: 30px;\">What AI Systems Actually See<\/h3>\n                \n                <p style=\"margin-bottom: 30px;\"><strong>Test Protocol:<\/strong> Each AI system was queried 5 times with the identical question: \"What are the available products on this page and what are their current prices (26.10.2025)?\"<\/p>\n            \n            <p style=\"margin-bottom: 30px; font-style: italic; color: #666;\"><strong>Test Date:<\/strong> October 30, 2025 | <strong>Test Page:<\/strong> <a href=\"https:\/\/www.searchviu.com\/en\/geo-bears\/\" target=\"_blank\" style=\"color: #0B9D96;\">searchviu.com\/en\/geo-bears\/<\/a><\/p>\n                \n                <div style=\"overflow-x: auto;\">\n                    <table style=\"width: 100%; border-collapse: collapse; margin: 20px 0;\">\n                        <thead>\n                            <tr style=\"background: #131A2D; color: white;\">\n                                <th style=\"padding: 15px; text-align: left; border: 1px solid #ddd;\">Test<\/th>\n                                <th style=\"padding: 15px; text-align: left; border: 1px solid #ddd;\">Product & Price<\/th>\n                                <th style=\"padding: 15px; text-align: left; border: 1px solid #ddd;\">Format\/Source<\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">ChatGPT<\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">Claude<\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">Gemini<\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">Perplexity<br><small style=\"font-weight: 400;\">(before index)<\/small><\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">Perplexity<br><small style=\"font-weight: 400;\">(after index)<\/small><\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">Google AI Mode<br><small style=\"font-weight: 400;\">(before index)<\/small><\/th>\n                                <th style=\"padding: 15px; text-align: center; border: 1px solid #ddd;\">Google AI Mode<br><small style=\"font-weight: 400;\">(after index)<\/small><\/th>\n                            <\/tr>\n                        <\/thead>\n                        <tbody>\n                            <tr style=\"background: #e8f9f8;\">\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 1<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Blue GEO Bears<br><strong>\u20ac5.99<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Visible HTML content<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                            <\/tr>\n                            <tr>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 2<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Unicorn Premium<br><strong>\u20ac12.99<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">JavaScript-rendered<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                            <\/tr>\n                            <tr style=\"background: #fff9e6;\">\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 3<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Rainbow Premium<br><strong>\u20ac8.99<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>JSON-LD Schema<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                            <\/tr>\n                            <tr>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 4<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Glitter Premium<br><strong>\u20ac15.99<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">JSON-LD via JavaScript<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                            <\/tr>\n                            <tr style=\"background: #fff9e6;\">\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 5<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Orange Premium<br><strong>\u20ac7.49<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Hidden Microdata<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                            <\/tr>\n                            <tr style=\"background: #e8f9f8;\">\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 6<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Cherry Premium<br><strong>\u20ac6.49<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Visible Microdata<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                            <\/tr>\n                            <tr style=\"background: #fff9e6;\">\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 7<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Mint Premium<br><strong>RDFa: \u20ac11.99<\/strong><br><strong>JSON-LD: \u20ac9.99<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Hidden RDFa + JSON-LD (Conflict)<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                            <\/tr>\n                            <tr style=\"background: #e8f9f8;\">\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\"><strong>Test 8<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Lemon Premium<br><strong>\u20ac5.49<\/strong><\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd;\">Visible RDFa<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #0B9D96; font-size: 1.5em;\">\u2713<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                                <td style=\"padding: 12px; border: 1px solid #ddd; text-align: center; color: #cc0000; font-size: 1.5em;\">\u2717<\/td>\n                            <\/tr>\n                        <\/tbody>\n                    <\/table>\n                <\/div>\n                \n                <div style=\"background: #F4F4F4; border-left: 5px solid #0B9D96; padding: 20px; margin: 30px 0; border-radius: 5px;\">\n                    <h4 style=\"color: #131A2D; margin-top: 0;\">\ud83d\udd0d Detailed Insights from the Tests<\/h4>\n                    \n                    <details style=\"margin-bottom: 20px; cursor: pointer;\">\n                        <summary style=\"font-weight: 700; padding: 10px; background: white; border-radius: 5px; list-style: none; display: flex; align-items: center; gap: 10px;\">\n                            <span style=\"font-size: 1.2em;\">\u25b6<\/span>\n                            <span>ChatGPT (GPT-4) - 3\/8 prices found (37.5%)<\/span>\n                        <\/summary>\n                        <div style=\"padding: 15px; margin-top: 10px; background: white; border-radius: 5px;\">\n                            <ul style=\"margin-left: 20px;\">\n                                <li><strong>\u2713 Found:<\/strong> \u20ac5.99 (Test 1 - Visible HTML), \u20ac6.49 (Test 6 - Visible Microdata), \u20ac5.49 (Test 8 - Visible RDFa)<\/li>\n                                <li><strong>\u2717 Not found:<\/strong> \u20ac12.99 (Test 2 - JavaScript), \u20ac8.99 (Test 3 - JSON-LD), \u20ac15.99 (Test 4 - JSON-LD+JS), \u20ac7.49 (Test 5 - Hidden Microdata), \u20ac11.99\/\u20ac9.99 (Test 7 - Hidden RDFa\/JSON-LD Conflict)<\/li>\n                                <li><strong>Conclusion:<\/strong> Parses only visible HTML content, no JavaScript support, completely ignores hidden Schema data<\/li>\n                                <li>Found all 7 product names and descriptions correctly<\/li>\n                            <\/ul>\n                        <\/div>\n                    <\/details>\n                    \n                    <details style=\"margin-bottom: 20px; cursor: pointer;\">\n                        <summary style=\"font-weight: 700; padding: 10px; background: white; border-radius: 5px; list-style: none; display: flex; align-items: center; gap: 10px;\">\n                            <span style=\"font-size: 1.2em;\">\u25b6<\/span>\n                            <span>Gemini (Google) - 4\/8 prices found (50%) \u2b50 BEST RESULT<\/span>\n                        <\/summary>\n                        <div style=\"padding: 15px; margin-top: 10px; background: white; border-radius: 5px;\">\n                            <ul style=\"margin-left: 20px;\">\n                                <li><strong>\u2713 Found:<\/strong> \u20ac5.99 (Test 1 - Visible HTML), \u20ac12.99 (Test 2 - JavaScript \u26a1), \u20ac6.49 (Test 6 - Visible Microdata), \u20ac5.49 (Test 8 - Visible RDFa)<\/li>\n                                <li><strong>\u2717 Not found:<\/strong> \u20ac8.99 (Test 3 - JSON-LD), \u20ac15.99 (Test 4 - JSON-LD+JS), \u20ac7.49 (Test 5 - Hidden Microdata), \u20ac11.99\/\u20ac9.99 (Test 7 - Hidden RDFa\/JSON-LD Conflict)<\/li>\n                                <li><strong>Special feature:<\/strong> Only system with JavaScript rendering support! Only one to find the dynamically loaded \u20ac12.99 price<\/li>\n                                <li><strong>Conclusion:<\/strong> Most modern parser with JS support, but even Gemini ignores JSON-LD and hidden Schema data<\/li>\n                                <li>Correctly identified which products were \"in stock\" but without price on the page (Rainbow, Orange, Mint, Glitter)<\/li>\n                                <li>Explicitly confirmed the date \"As of October 26, 2025\" in the response<\/li>\n                            <\/ul>\n                        <\/div>\n                    <\/details>\n                    \n                    <details style=\"margin-bottom: 20px; cursor: pointer;\">\n                        <summary style=\"font-weight: 700; padding: 10px; background: white; border-radius: 5px; list-style: none; display: flex; align-items: center; gap: 10px;\">\n                            <span style=\"font-size: 1.2em;\">\u25b6<\/span>\n                            <span>Claude (Anthropic) - 0\/8 prices found (0%)<\/span>\n                        <\/summary>\n                        <div style=\"padding: 15px; margin-top: 10px; background: white; border-radius: 5px;\">\n                            <ul style=\"margin-left: 20px;\">\n                                <li><strong>\u2713 Found:<\/strong> All 7 product names and descriptions correctly<\/li>\n                                <li><strong>\u2717 Not found:<\/strong> ALL 8 prices - neither visible nor hidden<\/li>\n                                <li><strong>Statement:<\/strong> \"I couldn't find any prices displayed on the page. The pricing information may be loaded dynamically...\"<\/li>\n                                <li><strong>Conclusion:<\/strong> Most aggressive content filtering or most restrictive parser. Even clearly visible prices were not extracted<\/li>\n                                <li>Hypothesis: Claude may filter pricing information for security reasons or has a very conservative HTML parser<\/li>\n                            <\/ul>\n                        <\/div>\n                    <\/details>\n                    \n                    <details style=\"margin-bottom: 20px; cursor: pointer;\">\n                        <summary style=\"font-weight: 700; padding: 10px; background: white; border-radius: 5px; list-style: none; display: flex; align-items: center; gap: 10px;\">\n                            <span style=\"font-size: 1.2em;\">\u25b6<\/span>\n                            <span>Perplexity AI - Before indexing: 0\/8, After indexing: 1\/8 prices found (12.5%)<\/span>\n                        <\/summary>\n                        <div style=\"padding: 15px; margin-top: 10px; background: white; border-radius: 5px;\">\n                            <ul style=\"margin-left: 20px;\">\n                                <li><strong>Test 1 - Before indexing (October 30, 2025):<\/strong><\/li>\n                                <ul style=\"margin-left: 20px; margin-top: 5px; margin-bottom: 10px;\">\n                                    <li>Response: \"The page could not be directly accessed in the latest search results\"<\/li>\n                                    <li>Reason: Page was too new, not yet in Perplexity's index<\/li>\n                                <\/ul>\n                                <li><strong>Test 2 - After indexing:<\/strong><\/li>\n                                <ul style=\"margin-left: 20px; margin-top: 5px; margin-bottom: 10px;\">\n                                    <li>Query: \"Geo Bears from searchviu.com refer to...\"<\/li>\n                                    <li><strong>\u2713 Found:<\/strong> \u20ac12.99 (Magical Unicorn GEO Bears - JavaScript-rendered)<\/li>\n                                    <li><strong>\u2717 Not found:<\/strong> All other 7 products were NOT found in the index<\/li>\n                                    <li>Statement: \"No other GEO Bear product variations or prices were found; only the Unicorn edition is listed\"<\/li>\n                                <\/ul>\n                                <li><strong>Behavior:<\/strong> Primarily searches its own search index, no direct live fetch<\/li>\n                                <li><strong>Surprising:<\/strong> Perplexity found ONLY the JavaScript-rendered product, not even the prominently placed Blue GEO Bears (\u20ac5.99) in static HTML<\/li>\n                                <li><strong>Conclusion:<\/strong> Perplexity's index is very selective. After indexing, only the \"most prominent\" information was captured. This suggests selective crawling behavior or prioritization of certain content elements. Perplexity has the lowest recall (1\/8 = 12.5%).<\/li>\n                            <\/ul>\n                        <\/div>\n                    <\/details>\n                    \n                    <details style=\"margin-bottom: 20px; cursor: pointer;\">\n                        <summary style=\"font-weight: 700; padding: 10px; background: white; border-radius: 5px; list-style: none; display: flex; align-items: center; gap: 10px;\">\n                            <span style=\"font-size: 1.2em;\">\u25b6<\/span>\n                            <span>Google AI Mode (in Google Search) - Before indexing: 0\/8, After indexing: 2\/8 prices found (25%)<\/span>\n                        <\/summary>\n                        <div style=\"padding: 15px; margin-top: 10px; background: white; border-radius: 5px;\">\n                            <ul style=\"margin-left: 20px;\">\n                                <li><strong>Test 1 - Before indexing (October 30, 2025):<\/strong><\/li>\n                                <ul style=\"margin-left: 20px; margin-top: 5px; margin-bottom: 10px;\">\n                                    <li>Response: \"No answer available for this search query. Try a different query.\"<\/li>\n                                    <li>Reason: Page was too new, not yet fully in Google's index<\/li>\n                                <\/ul>\n                                <li><strong>Test 2 - After indexing:<\/strong><\/li>\n                                <ul style=\"margin-left: 20px; margin-top: 5px; margin-bottom: 10px;\">\n                                    <li>New query: \"What are searchviu.com geo bears - what products (please list all) are available and what are the actual prices.\"<\/li>\n                                    <li><strong>\u2713 Found:<\/strong> \u20ac5.99 (Blue GEO Bears), \u20ac12.99 (Unicorn GEO Bears)<\/li>\n                                    <li>Recognized Rainbow GEO Bears as available, but without price<\/li>\n                                    <li><strong>\u2717 Not found:<\/strong> 4 more products (Cherry, Lemon, Orange, Mint, Glitter) were not mentioned at all<\/li>\n                                <\/ul>\n                                <li><strong>Behavior:<\/strong> Similar to Perplexity - primarily searches the Google search index instead of direct live fetch<\/li>\n                                <li><strong>Interesting:<\/strong> After indexing, Google AI Mode delivers results, but only for 3 of 7 products<\/li>\n                                <li><strong>Conclusion:<\/strong> Google AI Mode works with indexed pages, but extracts less completely than Gemini's live fetch (2\/8 vs. 4\/8 prices). Probably uses stored metadata from the index, not current live content.<\/li>\n                            <\/ul>\n                        <\/div>\n                    <\/details>\n                    \n                    <style>\n                        details summary::-webkit-details-marker {\n                            display: none;\n                        }\n                        details[open] summary span:first-child {\n                            transform: rotate(90deg);\n                        }\n                        details summary span:first-child {\n                            display: inline-block;\n                            transition: transform 0.3s ease;\n                        }\n                    <\/style>\n                    \n                    <div style=\"background: rgba(11, 157, 150, 0.1); border: 2px solid #0B9D96; border-radius: 8px; padding: 20px; margin-top: 25px;\">\n                        <h5 style=\"color: #131A2D; margin-top: 0; margin-bottom: 15px;\">\ud83d\udcc8 Ranking by Success Rate:<\/h5>\n                        \n                        <p style=\"margin-bottom: 10px; color: #131A2D;\"><strong>Direct Fetch Systems (Live Retrieval):<\/strong><\/p>\n                        <ol style=\"margin-left: 20px; line-height: 2; color: #131A2D; margin-bottom: 20px;\">\n                            <li><strong>\ud83e\udd47 Gemini:<\/strong> 50% (4\/8) - JavaScript support + live fetch<\/li>\n                            <li><strong>\ud83e\udd48 ChatGPT:<\/strong> 37.5% (3\/8) - Solid for visible content<\/li>\n                            <li><strong>\ud83e\udd49 Claude:<\/strong> 0% (0\/8) - No prices extracted despite direct fetch<\/li>\n                        <\/ol>\n                        \n                        <p style=\"margin-bottom: 10px; color: #131A2D;\"><strong>Index-based Systems (Search in stored data):<\/strong><\/p>\n                        <ol style=\"margin-left: 20px; line-height: 2; color: #131A2D;\">\n                            <li><strong>Google AI Mode:<\/strong> 25% (2\/8) - Found 2 prices after indexing, but only 3 of 7 products<\/li>\n                            <li><strong>Perplexity:<\/strong> 12.5% (1\/8) - Very selective: Found ONLY the JS product, not even static HTML<\/li>\n                        <\/ol>\n                        \n                        <p style=\"margin-top: 15px; margin-bottom: 0; color: #666; font-size: 0.9em;\">\n                            <strong>\u26a0\ufe0f Important:<\/strong> Direct fetch (live retrieval) vs. index-based are different approaches. Index systems work with stored data and are therefore not directly comparable to live fetch. Both index systems show that their crawlers execute JavaScript (both found \u20ac12.99), but Perplexity's index is significantly more selective.\n                        <\/p>\n                    <\/div>\n                <\/div>\n                \n                <div style=\"background: #131A2D; color: white; border-radius: 12px; padding: 30px; margin: 30px 0;\">\n                    <h4 style=\"color: #FFE62A; margin-top: 0;\">Surprising Findings<\/h4>\n                    <p style=\"margin-bottom: 15px;\"><strong style=\"background: #FFE62A; color: #131A2D; padding: 2px 6px;\">JSON-LD Schema Markup is NOT extracted by ANY system during direct fetch<\/strong> \u2013 even when the information is nowhere else visible on the page. Not a single one of the 5 tested systems could use hidden Schema data.<\/p>\n                    <p style=\"margin-bottom: 15px;\"><strong style=\"background: #FFE62A; color: #131A2D; padding: 2px 6px;\">Gemini wins at live fetch:<\/strong> As the only system, Gemini supports JavaScript rendering during direct retrieval and found 50% of prices (4\/8) vs. 37.5% for ChatGPT (3\/8).<\/p>\n                    <p style=\"margin-bottom: 15px;\"><strong style=\"background: #FFE62A; color: #131A2D; padding: 2px 6px;\">All major crawlers index JavaScript:<\/strong> Both Google AI Mode and Perplexity found the JavaScript-rendered price (\u20ac12.99) after indexing. This proves that all major crawlers execute JavaScript during indexing \u2013 important for SEO!<\/p>\n                    <p style=\"margin-bottom: 15px;\"><strong style=\"background: #FFE62A; color: #131A2D; padding: 2px 6px;\">Perplexity's index is extremely selective:<\/strong> After indexing, Perplexity found only 1\/8 prices (12.5%) \u2013 and that was ONLY the JavaScript product. Not even the prominently placed static HTML product (Blue \u20ac5.99) was captured. Google AI Mode was significantly more complete with 2\/8 (25%).<\/p>\n                    <p style=\"margin-bottom: 0;\"><strong style=\"background: #FFE62A; color: #131A2D; padding: 2px 6px;\">Limitation:<\/strong> Schema Markup could very well be used in the indexing phase, in LLM training data, or in search engine-integrated AI systems (Google AI Overviews, Bing Copilot).<\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\n        <section>\n            <h2>Conclusions: What Do These Results Mean?<\/h2>\n            \n            <h3>Core Findings<\/h3>\n            \n            <ul>\n                <li><strong>JSON-LD Schema is NOT read by AI chatbots during direct fetch.<\/strong> The price of \u20ac8.99 for the Rainbow GEO Bears (Test 3), which was only present in JSON-LD Schema, was not found by any of the 5 tested systems.<\/li>\n                \n                <li><strong>But: Schema could be used in earlier phases.<\/strong> In the indexing phase, Schema Markup is very likely extracted. Google's AI Overviews and Bing's Copilot have access to this structured data from their search indexes.<\/li>\n                \n                <li><strong>Gemini supports JavaScript.<\/strong> As the only system, Gemini found the JavaScript-rendered price of \u20ac12.99 (Test 2) during live fetch. With 4 of 8 prices found (50%), Gemini performs better than ChatGPT (37.5%) and all other systems.<\/li>\n                \n                <li><strong>Google AI Mode finds JavaScript prices after indexing.<\/strong> Surprisingly: Google AI Mode also found the JavaScript-rendered price of \u20ac12.99 (Test 2), even though it works index-based. This proves that Google's crawlers execute JavaScript during indexing. However, only 3 of 7 products are captured in the index (2\/8 prices found).<\/li>\n                \n                <li><strong>Visible content is essential for most chatbots.<\/strong> ChatGPT and Gemini successfully found all prices present in visible HTML code.<\/li>\n                \n                <li><strong>JavaScript rendering: Difference between live fetch and indexing.<\/strong> Gemini supports JavaScript during live fetch (found \u20ac12.99). Google AI Mode found the same JS price after indexing, which proves: Google's crawlers execute JavaScript. ChatGPT, Claude, and Perplexity cannot capture JS content during live fetch.<\/li>\n                \n                <li><strong>Hidden structured data is ignored.<\/strong> Neither hidden Microdata (\u20ac7.49) nor hidden RDFa (\u20ac11.99) were recognized by any system.<\/li>\n                \n                <li><strong>Perplexity and Google AI Mode have a different approach.<\/strong> Both search their index first instead of fetching pages directly. After indexing: Google AI Mode found 2\/8 prices (25%), Perplexity only 1\/8 (12.5%). Surprising: Perplexity found ONLY the JavaScript product, not even the static HTML product (Blue \u20ac5.99). This suggests very selective crawling behavior.<\/li>\n            <\/ul>\n            \n\n        <\/section>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-686202e e-flex e-con-boxed e-con e-parent\" data-id=\"686202e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-434d19f elementor-cta--layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"434d19f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.searchviu.com\/wp-content\/uploads\/2025\/11\/searchVIU_blog-pictures.png);\" role=\"img\" aria-label=\"searchVIU_blog pictures\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tOptimize Your Website for AI Systems AND Search Engines\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tThe insights from our study show: A successful web presence in 2025 requires a dual strategy. searchVIU helps you implement both traditional SEO with schema markup and AI optimization with visible, semantic content.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/www.searchviu.com\/en\/get-in-contact-increase-traffic-sales\/\">\n\t\t\t\t\t\tRequest Free Analysis\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>8 Tests mit 5 KI-Systemen zeigen:<br \/>\n<br \/>JSON-LD wird ignoriert - aber Google indexiert JavaScript korrekt!<\/p>","protected":false},"author":1,"featured_media":8438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[38,1],"tags":[30],"class_list":["post-8563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-crawler","category-seo-experiments","tag-english"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Schema Markup and AI in 2025: What ChatGPT, Claude, Perplexity &amp; 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