https://claude.ai/api/challenge_redirect?to=https%3A%2F%2Fclaude.ai%2Flogin

{
  "url": "https://claude.ai/api/challenge_redirect?to=https%3A%2F%2Fclaude.ai%2Flogin",
  "timestamp": 1771149579322,
  "fetch": {
    "mode": "rendered",
    "timeMs": 3680,
    "htmlSizeBytes": 28320,
    "supportsMarkdown": false,
    "statusCode": 200
  },
  "extraction": {
    "title": "Un momento…",
    "excerpt": "",
    "byline": null,
    "siteName": null,
    "lang": "en-US",
    "contentLength": 208,
    "metadata": {
      "description": null,
      "ogTitle": null,
      "ogDescription": null,
      "ogImage": null,
      "ogType": null,
      "canonical": null,
      "lang": "en-US",
      "schemas": [],
      "robotsMeta": "noindex,nofollow",
      "author": null,
      "generator": null
    }
  },
  "markdown": "![Ícono para claude.ai](https://claude.ai/favicon.ico)\n\n## claude.ai\n\n## Verificación de seguridad en curso\n\nEste sitio web utiliza un servicio de seguridad para protegerse contra bots maliciosos. Esta página se muestra mientras el sitio web verifica que usted no es un bot.\n",
  "fullPageMarkdown": "Un momento…\n\n![Ícono para claude.ai](https://claude.ai/favicon.ico)# claude.ai\n\n## Verificación de seguridad en curso\n\nEste sitio web utiliza un servicio de seguridad para protegerse contra bots maliciosos. Esta página se muestra mientras el sitio web verifica que usted no es un bot.\n\n## Verificación correcta. Esperando a que claude.ai responda\n\nRay ID: `9ce3f416cf1aeca9`\n\nRendimiento y seguridad de [Cloudflare](https://www.cloudflare.com/?utm_source=challenge&utm_campaign=m)[Privacidad](https://www.cloudflare.com/es-es/privacypolicy/)\n",
  "markdownStats": {
    "images": 1,
    "links": 0,
    "tables": 0,
    "codeBlocks": 0,
    "headings": 2
  },
  "tokens": {
    "htmlTokens": 10935,
    "markdownTokens": 63,
    "reduction": 10872,
    "reductionPercent": 99
  },
  "score": {
    "score": 40,
    "grade": "D",
    "dimensions": {
      "semanticHtml": {
        "score": 45,
        "weight": 20,
        "grade": "D",
        "checks": {
          "uses_article_or_main": {
            "score": 0,
            "weight": 20,
            "details": "Missing <article> and <main> elements"
          },
          "proper_heading_hierarchy": {
            "score": 100,
            "weight": 25,
            "details": "Clean heading hierarchy"
          },
          "semantic_elements": {
            "score": 0,
            "weight": 20,
            "details": "0 semantic elements, 19 divs (ratio: 0%)"
          },
          "meaningful_alt_texts": {
            "score": 0,
            "weight": 15,
            "details": "0/1 images with meaningful alt text"
          },
          "low_div_nesting": {
            "score": 100,
            "weight": 20,
            "details": "Avg div depth: 2.5, max: 4"
          }
        }
      },
      "contentEfficiency": {
        "score": 55,
        "weight": 25,
        "grade": "D",
        "checks": {
          "token_reduction_ratio": {
            "score": 100,
            "weight": 40,
            "details": "99% token reduction (HTML→Markdown)"
          },
          "content_to_noise_ratio": {
            "score": 0,
            "weight": 30,
            "details": "Content ratio: 0.7% (208 content chars / 28320 HTML bytes)"
          },
          "minimal_inline_styles": {
            "score": 0,
            "weight": 15,
            "details": "3/45 elements with inline styles (6.7%)"
          },
          "reasonable_page_weight": {
            "score": 100,
            "weight": 15,
            "details": "HTML size: 28KB"
          }
        }
      },
      "aiDiscoverability": {
        "score": 35,
        "weight": 25,
        "grade": "F",
        "checks": {
          "has_llms_txt": {
            "score": 0,
            "weight": 25,
            "details": "No llms.txt found"
          },
          "has_robots_txt": {
            "score": 100,
            "weight": 15,
            "details": "robots.txt exists"
          },
          "robots_allows_ai_bots": {
            "score": 100,
            "weight": 20,
            "details": "All major AI bots allowed"
          },
          "has_sitemap": {
            "score": 0,
            "weight": 15,
            "details": "No sitemap found"
          },
          "supports_markdown_negotiation": {
            "score": 0,
            "weight": 15,
            "details": "No markdown content negotiation"
          },
          "has_content_signals": {
            "score": 0,
            "weight": 10,
            "details": "No Content-Signal header"
          }
        }
      },
      "structuredData": {
        "score": 10,
        "weight": 15,
        "grade": "F",
        "checks": {
          "has_schema_org": {
            "score": 0,
            "weight": 30,
            "details": "No JSON-LD / Schema.org found"
          },
          "has_open_graph": {
            "score": 0,
            "weight": 25,
            "details": "0/3 OG tags present"
          },
          "has_meta_description": {
            "score": 0,
            "weight": 20,
            "details": "No meta description"
          },
          "has_canonical_url": {
            "score": 0,
            "weight": 15,
            "details": "No canonical URL"
          },
          "has_lang_attribute": {
            "score": 100,
            "weight": 10,
            "details": "lang=\"en-US\""
          }
        }
      },
      "accessibility": {
        "score": 46,
        "weight": 15,
        "grade": "D",
        "checks": {
          "content_without_js": {
            "score": 20,
            "weight": 40,
            "details": "Content requires JavaScript rendering"
          },
          "reasonable_page_size": {
            "score": 100,
            "weight": 30,
            "details": "Page size: 28KB"
          },
          "fast_content_position": {
            "score": 25,
            "weight": 30,
            "details": "Main content starts at 74% of HTML"
          }
        }
      }
    }
  },
  "recommendations": [
    {
      "id": "add_llms_txt",
      "priority": "critical",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_llms_txt.title",
      "descriptionKey": "rec.add_llms_txt.description",
      "howToKey": "rec.add_llms_txt.howto",
      "effort": "quick-win",
      "estimatedImpact": 10,
      "checkScore": 0,
      "checkDetails": "No llms.txt found"
    },
    {
      "id": "add_article_main",
      "priority": "critical",
      "category": "semanticHtml",
      "titleKey": "rec.add_article_main.title",
      "descriptionKey": "rec.add_article_main.description",
      "howToKey": "rec.add_article_main.howto",
      "effort": "quick-win",
      "estimatedImpact": 8,
      "checkScore": 0,
      "checkDetails": "Missing <article> and <main> elements"
    },
    {
      "id": "improve_content_ratio",
      "priority": "critical",
      "category": "contentEfficiency",
      "titleKey": "rec.improve_content_ratio.title",
      "descriptionKey": "rec.improve_content_ratio.description",
      "howToKey": "rec.improve_content_ratio.howto",
      "effort": "moderate",
      "estimatedImpact": 6,
      "checkScore": 0,
      "checkDetails": "Content ratio: 0.7% (208 content chars / 28320 HTML bytes)"
    },
    {
      "id": "add_sitemap",
      "priority": "critical",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_sitemap.title",
      "descriptionKey": "rec.add_sitemap.description",
      "howToKey": "rec.add_sitemap.howto",
      "effort": "quick-win",
      "estimatedImpact": 5,
      "checkScore": 0,
      "checkDetails": "No sitemap found"
    },
    {
      "id": "add_semantic_elements",
      "priority": "critical",
      "category": "semanticHtml",
      "titleKey": "rec.add_semantic_elements.title",
      "descriptionKey": "rec.add_semantic_elements.description",
      "howToKey": "rec.add_semantic_elements.howto",
      "effort": "moderate",
      "estimatedImpact": 5,
      "checkScore": 0,
      "checkDetails": "0 semantic elements, 19 divs (ratio: 0%)"
    },
    {
      "id": "improve_alt_texts",
      "priority": "critical",
      "category": "semanticHtml",
      "titleKey": "rec.improve_alt_texts.title",
      "descriptionKey": "rec.improve_alt_texts.description",
      "howToKey": "rec.improve_alt_texts.howto",
      "effort": "moderate",
      "estimatedImpact": 4,
      "checkScore": 0,
      "checkDetails": "0/1 images with meaningful alt text"
    },
    {
      "id": "add_markdown_negotiation",
      "priority": "critical",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_markdown_negotiation.title",
      "descriptionKey": "rec.add_markdown_negotiation.description",
      "howToKey": "rec.add_markdown_negotiation.howto",
      "effort": "significant",
      "estimatedImpact": 4,
      "checkScore": 0,
      "checkDetails": "No markdown content negotiation"
    },
    {
      "id": "remove_inline_styles",
      "priority": "critical",
      "category": "contentEfficiency",
      "titleKey": "rec.remove_inline_styles.title",
      "descriptionKey": "rec.remove_inline_styles.description",
      "howToKey": "rec.remove_inline_styles.howto",
      "effort": "moderate",
      "estimatedImpact": 3,
      "checkScore": 0,
      "checkDetails": "3/45 elements with inline styles (6.7%)"
    },
    {
      "id": "add_content_signals",
      "priority": "critical",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_content_signals.title",
      "descriptionKey": "rec.add_content_signals.description",
      "howToKey": "rec.add_content_signals.howto",
      "effort": "moderate",
      "estimatedImpact": 3,
      "checkScore": 0,
      "checkDetails": "No Content-Signal header"
    },
    {
      "id": "provide_content_without_js",
      "priority": "high",
      "category": "accessibility",
      "titleKey": "rec.provide_content_without_js.title",
      "descriptionKey": "rec.provide_content_without_js.description",
      "howToKey": "rec.provide_content_without_js.howto",
      "effort": "significant",
      "estimatedImpact": 10,
      "checkScore": 20,
      "checkDetails": "Content requires JavaScript rendering"
    }
  ],
  "llmsTxtPreview": "# claude.ai\n\n## Main\n- [Un momento…](https://claude.ai/api/challenge_redirect?to=https%3A%2F%2Fclaude.ai%2Flogin)\n\n",
  "llmsTxtExisting": null,
  "snippets": [
    {
      "id": "add_llms_txt",
      "title": "Create /llms.txt",
      "description": "Upload this file to your web root. It tells AI agents what your site is about and which pages matter.",
      "language": "markdown",
      "code": "# claude.ai\n\n## Main\n- [Un momento…](https://claude.ai/api/challenge_redirect?to=https%3A%2F%2Fclaude.ai%2Flogin)\n\n",
      "filename": "/llms.txt"
    },
    {
      "id": "add_sitemap",
      "title": "Create /sitemap.xml",
      "description": "A sitemap helps AI agents discover all your pages. Most CMS platforms generate one automatically.",
      "language": "xml",
      "code": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\n  <url>\n    <loc>https://claude.ai/api/challenge_redirect?to=https%3A%2F%2Fclaude.ai%2Flogin</loc>\n    <lastmod>2026-02-15</lastmod>\n  </url>\n</urlset>",
      "filename": "/sitemap.xml"
    },
    {
      "id": "add_article_main",
      "title": "Wrap content in <main> and <article>",
      "description": "Semantic HTML landmarks help AI agents identify the main content of your page.",
      "language": "html",
      "code": "<main>\n  <article>\n    <h1>Your Page Title</h1>\n    <p>Your content here...</p>\n  </article>\n</main>",
      "filename": "<body>"
    },
    {
      "id": "add_content_signals",
      "title": "Add Content-Signal HTTP header",
      "description": "The Content-Signal header tells AI agents about the nature of your content. Add it via your web server or CDN.",
      "language": "nginx",
      "code": "# Nginx — add to your server block:\nadd_header Content-Signal \"type=website; lang=en-US\" always;\n\n# Apache — add to .htaccess:\n# Header set Content-Signal \"type=website; lang=en-US\"",
      "filename": "nginx.conf or .htaccess"
    },
    {
      "id": "add_markdown_negotiation",
      "title": "Support Accept: text/markdown",
      "description": "When a client sends Accept: text/markdown, respond with a Markdown version of the page. This is the gold standard for AI-readiness.",
      "language": "nginx",
      "code": "# Nginx — serve .md files when client requests Markdown:\n# Option 1: Serve pre-generated .md files\nmap $http_accept $markdown_suffix {\n  default \"\";\n  \"~text/markdown\" \".md\";\n}\n\n# Then in your location block:\ntry_files $uri$markdown_suffix $uri =404;\n\n# Option 2: Use your app framework to check the Accept header\n# and return Markdown content with Content-Type: text/markdown",
      "filename": "nginx.conf or application code"
    }
  ]
}

使用我们的API以编程方式获取此内容（即将推出）