llms.txt 2025完全指南：AI内容控制与SEO优化策略
llms.txt是AI时代的网站内容控制标准文件，类似AI版robots.txt，用于向AI爬虫声明内容训练与使用政策，控制AI访问、保护数据并优化AI搜索可见性。
原文翻译： llms.txt is the standard file for website content control in the AI era, akin to an AI version of robots.txt. It is used to declare content training and usage policies to AI crawlers, controlling AI access, protecting data, and optimizing AI search visibility.
📚 支柱内容 • 全面指南 • 2025年1月更新
什么是 llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.？
快速定义：
llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.（大型语言模型系统文本文件）是一种标准化文件格式，允许网站所有者向AI爬虫、语言模型和AI驱动的搜索引擎传达其AI训练和使用政策。
可以将其视为“AI版的robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website.”——正如robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website.告诉搜索引擎爬虫哪些页面可以索引一样，llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.告诉AI系统哪些内容可以用于训练、引用和答案生成。
起源故事
llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.标准于2023年底出现，当时OpenAI、Anthropic和Google等AI公司开始部署网络爬虫收集训练数据。网站所有者需要一种方式来：
✓ 控制AI系统可以访问哪些内容
✓ 指定内容使用条款
✓ 保护专有或敏感信息
✓ 优化AI驱动的搜索可见性
📊 截至2025年1月，已有超过2000个主要网站采用llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.，使其成为AI内容政策的事实标准。
关键优势
🎯 控制AI访问
决定哪些AI机器人可以爬取您的内容
🔒 保护您的内容
防止未经授权的AI训练使用专有数据
📈 提升AI可见性
优化在ChatGPT、Perplexity、Claude等AI搜索引擎中的表现
📋 设定明确条款
传达使用政策和归属要求
为什么llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.在2025年如此重要
AI搜索的崛起
📊 40%的搜索现在从AI驱动工具开始（ChatGPT、Perplexity、Claude）
🔍 Google AI概览出现在60%的搜索结果中
🚀 传统SEO正在演变为AEO（答案引擎优化）
📝 AI引用带来显著的推荐流量
法律和伦理考量
❌ 没有llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.的情况：
• 无法控制AI对您内容的训练
• AI系统引用您作品时没有归属
• 无法保护专有信息
• 无法了解AI爬虫活动
✅ 使用llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.的情况：
• AI使用政策的合法文档记录
• 符合新兴AI法规要求
• 主要AI公司尊重的退出机制
• 与AI平台建立更好的关系
商业影响
拥有优化llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.文件的公司报告显示：
• 3-5倍更多的AI机器人访问
📈 更高的引用率
🔗 增加的推荐流量
👁️ 更好的品牌可见性
llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.如何工作
技术流程
AI爬虫访问
AI机器人（GPTBotOpenAI's web crawler used to collect data for training AI models like ChatGPT and GPT-4.、Claude-WebAnthropic's web crawler used to collect data for training the Claude AI model.等）访问您的网站检查llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.
机器人在您的域名根目录查找/llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.读取政策
机器人解析您的允许/禁止规则遵守规则
合规的机器人遵循您指定的政策爬取内容
根据您的条款访问允许的内容
哪些AI系统支持llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.？
✅ 高合规性（90%+）
• OpenAI GPTBotOpenAI's web crawler used to collect data for training AI models like ChatGPT and GPT-4.（ChatGPT、GPT-4）
• Anthropic Claude-WebAnthropic's web crawler used to collect data for training the Claude AI model.（Claude AI）
• Google-ExtendedGoogle's web crawler used to collect data for training AI models like Gemini and Bard.（Gemini、Bard）
• Apple Applebot-ExtendedApple's web crawler used to collect data for AI training purposes.
• Perplexity PerplexityBotPerplexity's web crawler used to collect data for training its AI search engine.
⚠️ 部分合规性（60-80%）
• Common Crawl CCBotCommon Crawl's web crawler used to collect data for AI training, with partial compliance to llms.txt standards.
• Meta FacebookBotMeta's web crawler used to collect data for AI training, with partial compliance to llms.txt standards.
• Cohere cohere-aiCohere's web crawler used to collect data for AI training, with partial compliance to llms.txt standards.
文件位置
您的llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.文件必须位于：https://yourdomain.com/llms.txt
不要放在子目录中，如/docs/llms.txt或/ai/llms.txt
llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines. vs robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website.：关键区别
| 特性 | robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website. | llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines. |
|---|---|---|
| 目的 | 控制搜索引擎爬虫 | 控制AI训练和使用 |
| 目标 | Googlebot、Bingbot等 | GPTBotOpenAI's web crawler used to collect data for training AI models like ChatGPT and GPT-4.、Claude-WebAnthropic's web crawler used to collect data for training the Claude AI model.等 |
| 影响 | 搜索排名 | AI引用和训练 |
| 合规性 | 主要爬虫约95% | 主要AI机器人约85% |
| 必需性 | 强烈推荐 | 日益重要 |
✅ 它们可以一起工作吗？
是的！大多数网站同时使用两者：
robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website. → 控制搜索引擎索引
llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines. → 控制AI训练和使用
示例： 通过robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website.允许搜索引擎索引公开内容，同时使用llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.允许AI引用但阻止对高级内容的训练。
创建您的第一个llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.文件
🚀 方法1：使用生成器
创建专业llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.文件的最快方式
✍️ 方法2：手动创建
使用我们的模板从头开始创建
⏱️ 10-15分钟
📋 方法3：复制和调整
浏览2000多个类似网站的示例
基本模板
# llms.txt - AI训练政策 for YourDomain.com
# 允许所有AI机器人访问公开内容
User-agent: *
Allow: /
# 阻止AI训练高级内容
Disallow: /premium/
Disallow: /members/
Disallow: /private/
# 联系信息
Contact: ai@yourdomain.com
# 政策详情
Policy: https://yourdomain.com/ai-policy
语法和结构
基本指令
User-agent
指定规则适用于哪个AI机器人：
User-agent: * # 所有AI机器人
User-agent: GPTBot # 仅OpenAI的GPTBot
User-agent: Claude-Web # 仅Anthropic的Claude
Allow
允许AI访问特定路径：
Allow: / # 允许所有内容
Allow: /blog/ # 允许博客部分
Allow: /docs/ # 允许文档部分
Disallow
阻止AI访问特定路径：
Disallow: /admin/ # 阻止管理区域
Disallow: /private/ # 阻止私有内容
Disallow: /*.pdf$ # 阻止所有PDF文件
高级指令
Contact: ai-policy@yourdomain.com
Policy: https://yourdomain.com/ai-policy
Sitemap: https://yourdomain.com/sitemap.xml
Attribution: Required
Crawl-delay: 2
实际示例
📰 示例1：开放访问（博客/媒体网站）
策略：最大化AI可见性和引用
# llms.txt - 开放访问政策
# 欢迎AI系统访问和引用我们的内容
User-agent: *
Allow: /
# 归属要求
Attribution: Required
Attribution-Name: TechBlog Daily
Attribution-URL: https://techblog.com
Contact: partnerships@techblog.com
Sitemap: https://techblog.com/sitemap.xml
💼 示例2：选择性访问（SaaS公司）
策略：允许公开内容，保护高级功能
# llms.txt - 选择性访问政策
# 允许文档和博客
User-agent: *
Allow: /docs/
Allow: /blog/
Allow: /guides/
# 阻止高级和用户内容
Disallow: /app/
Disallow: /dashboard/
Disallow: /api/
Disallow: /premium/
Contact: legal@saascompany.com
🛒 示例3：限制访问（电子商务）
策略：保护产品数据和客户信息
# llms.txt - 限制访问政策
# 仅允许公开页面
User-agent: *
Allow: /about/
Allow: /contact/
Allow: /blog/
# 阻止其他所有内容
Disallow: /
# 特别阻止产品数据
Disallow: /products/
Disallow: /api/
Disallow: /checkout/
Training: Prohibited
Contact: legal@ecommerce.com
最佳实践
✅ 应该做：监控后再阻止
在实施阻止政策前，跟踪AI机器人活动2-4周
✅ 应该做：使用清晰注释
用注释解释您的理由，帮助AI系统理解您的意图
✅ 应该做：部署前测试
使用验证工具检查语法错误和冲突
✅ 应该做：定期更新
随着新AI机器人的出现，每季度审查您的llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.
❌ 不要做：阻止所有内容
阻止所有AI访问意味着在AI搜索结果中零可见性
❌ 不要做：忘记联系信息
始终包含联系信息，以便AI公司能够联系您
❌ 不要做：不自定义就复制
根据您的具体业务需求和内容类型调整示例
❌ 不要做：设置后就忘记
根据性能数据和新AI机器人进行审查和更新
常见错误避免
❌ 错误1：错误的文件位置
错误：https://yourdomain.com/docs/llms.txt
正确：https://yourdomain.com/llms.txt
❌ 错误2：冲突规则
避免对同一路径的矛盾允许/禁止声明
# 错误 - 冲突！
Allow: /blog/
Disallow: /blog/
# 正确 - 更具体
Allow: /blog/
Disallow: /blog/private/
❌ 错误3：不测试
部署前始终测试您的llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.文件：
• 在浏览器中访问https://yourdomain.com/llms.txt
• 使用我们的验证工具
• 检查服务器日志中的AI机器人访问
• 监控2-4周
测试和验证
可访问性测试
验证您的文件是否公开可访问：
curl https://yourdomain.com/llms.txt
应该返回您的llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.内容，而不是404错误。
常见问题解答
Q：llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.是必需的吗？
A：不是必需的，但强烈推荐。没有它，AI机器人可能会在没有限制的情况下爬取您的内容。llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.文件让您能够控制并合法记录您的政策。
Q：所有AI机器人都遵守llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.吗？
A：大多数主要AI公司都支持llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines.标准，但合规程度不同。建议监控AI机器人的实际行为，并根据需要调整您的政策。
Data Analysis
| 特性 | robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website. | llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines. |
|---|---|---|
| 目的 | 控制搜索引擎爬虫 | 控制AI训练和使用 |
| 目标 | Googlebot、Bingbot等 | GPTBotOpenAI's web crawler used to collect data for training AI models like ChatGPT and GPT-4.、Claude-WebAnthropic's web crawler used to collect data for training the Claude AI model.等 |
| 影响 | 搜索排名 | AI引用和训练 |
| 合规性 | 主要爬虫约95% | 主要AI机器人约85% |
| 必需性 | 强烈推荐 | 日益重要 |
Source/Note: Synthesis of the comparison section "llms.txtA standardized file format that allows website owners to communicate AI training and usage policies to AI crawlers, language models, and AI-driven search engines. vs robots.txtA text file that instructs web crawlers which pages or files to access or ignore on a website.：关键区别" from the provided text.
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