{"id":1602,"date":"2026-04-16T09:40:44","date_gmt":"2026-04-16T09:40:44","guid":{"rendered":"https:\/\/bbotech.vn\/llms-txt-la-gi-ai-seo\/"},"modified":"2026-04-16T09:58:07","modified_gmt":"2026-04-16T09:58:07","slug":"llms-txt-la-gi-ai-seo","status":"publish","type":"post","link":"https:\/\/bbotech.vn\/vi\/llms-txt-la-gi-ai-seo\/","title":{"rendered":"llms.txt L\u00e0 G\u00ec \u2014 V\u00e0 T\u1ea1i Sao Website C\u1ee7a B\u1ea1n C\u1ea7n N\u00f3 Ngay B\u00e2y Gi\u1edd"},"content":{"rendered":"

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T\u00ednh \u0111\u1ebfn n\u0103m 2025, 18% l\u01b0\u1ee3t t\u00ecm ki\u1ebfm to\u00e0n c\u1ea7u<\/strong> \u0111\u00e3 hi\u1ec3n th\u1ecb AI Overview (t\u00f3m t\u1eaft tr\u1ea3 l\u1eddi b\u1eb1ng AI), v\u1edbi t\u1ef7 l\u1ec7 n\u00e0y t\u1ea1i M\u1ef9 l\u00ean \u0111\u1ebfn 30%<\/strong>. (Ngu\u1ed3n: Rankability, 2025)<\/em> \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0: ng\u00e0y c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c c\u00e2u tr\u1ea3 l\u1eddi tr\u1ef1c ti\u1ebfp t\u1eeb AI m\u00e0 kh\u00f4ng bao gi\u1edd click v\u00e0o website c\u1ee7a b\u1ea1n.<\/p>\n

C\u00e2u h\u1ecfi th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 “SEO (t\u1ed1i \u01b0u h\u00f3a c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm) c\u00f2n quan tr\u1ecdng kh\u00f4ng?” \u2014 m\u00e0 l\u00e0: AI \u0111ang \u0111\u1ecdc website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 b\u1ea1n c\u00f3 \u0111ang ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c th\u00f4ng tin AI tr\u00edch d\u1eabn v\u1ec1 b\u1ea1n kh\u00f4ng?<\/em><\/p>\n

\u0110\u00e2y l\u00e0 l\u00fd do llms.txt<\/strong> \u2014 m\u1ed9t chu\u1ea9n k\u1ef9 thu\u1eadt m\u1edbi n\u1ed5i \u2014 \u0111ang \u0111\u01b0\u1ee3c c\u00e1c c\u00f4ng ty tech h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi nh\u01b0 Anthropic, Cloudflare v\u00e0 Stripe tri\u1ec3n khai \u00e2m th\u1ea7m t\u1eeb cu\u1ed1i 2024.<\/p>\n

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\"llms.txt<\/p>\n

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llms.txt l\u00e0 g\u00ec \u2014 v\u00e0 t\u1ea1i sao n\u00f3 kh\u00f4ng ph\u1ea3i robots.txt b\u1ea3n 2.0<\/h2>\n

V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, llms.txt<\/strong> l\u00e0 m\u1ed9t file v\u0103n b\u1ea3n thu\u1ea7n (plain-text) \u0111\u1ecbnh d\u1ea1ng Markdown, \u0111\u1eb7t t\u1ea1i th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a website (yourdomain.com\/llms.txt<\/code>). N\u1ed9i dung b\u00ean trong l\u00e0 b\u1ea3n \u0111\u1ed3 c\u00f3 ch\u1ecdn l\u1ecdc c\u1ee7a website: m\u00f4 t\u1ea3 c\u00f4ng ty, danh s\u00e1ch trang quan tr\u1ecdng nh\u1ea5t, l\u0129nh v\u1ef1c chuy\u00ean m\u00f4n, v\u00e0 c\u00e1c ngu\u1ed3n tham kh\u1ea3o \u0111\u00e1ng tin.<\/p>\n

Nh\u01b0ng \u0111i\u1ec3m then ch\u1ed1t c\u1ea7n hi\u1ec3u l\u00e0 llms.txt kh\u00e1c ho\u00e0n to\u00e0n v\u1ec1 m\u1ee5c \u0111\u00edch so v\u1edbi robots.txt<\/strong>:<\/p>\n

    \n
  • robots.txt<\/strong> \u2014 ra l\u1ec7nh cho crawler (bot thu th\u1eadp d\u1eef li\u1ec7u): “\u0111\u01b0\u1ee3c ph\u00e9p \u0111i \u0111\u00e2u, kh\u00f4ng \u0111\u01b0\u1ee3c v\u00e0o \u0111\u00e2u”. \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp.<\/li>\n
  • llms.txt<\/strong> \u2014 h\u01b0\u1edbng d\u1eabn LLM (m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef l\u1edbn nh\u01b0 ChatGPT, Claude, Perplexity): “\u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec quan tr\u1ecdng nh\u1ea5t v\u1ec1 ch\u00fang t\u00f4i, h\u00e3y \u01b0u ti\u00ean hi\u1ec3u ph\u1ea7n n\u00e0y.” \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf truy\u1ec1n \u0111\u1ea1t ng\u1eef ngh\u0129a.<\/li>\n<\/ul>\n

    N\u00f3i b\u1eb1ng ng\u00f4n ng\u1eef \u0111\u01a1n gi\u1ea3n h\u01a1n: n\u1ebfu robots.txt l\u00e0 b\u1ea3o v\u1ec7 an ninh<\/em> quy\u1ebft \u0111\u1ecbnh ai \u0111\u01b0\u1ee3c v\u00e0o t\u00f2a nh\u00e0, th\u00ec llms.txt l\u00e0 b\u1ea3n \u0111\u1ed3 n\u1ed9i b\u1ed9<\/em> ch\u1ec9 \u0111\u01b0\u1eddng cho kh\u00e1ch VIP \u0111\u1ebfn th\u1eb3ng nh\u1eefng n\u01a1i quan tr\u1ecdng nh\u1ea5t \u2014 thay v\u00ec \u0111\u1ec3 h\u1ecd t\u1ef1 m\u00f2 m\u1eabm t\u1eebng ph\u00f2ng m\u1ed9t.<\/p>\n

    llms.txt kh\u00f4ng gi\u00fap b\u1ea1n “ch\u1eb7n” AI \u2014 n\u00f3 gi\u00fap b\u1ea1n \u0111\u1ecbnh h\u01b0\u1edbng<\/em> nh\u1eefng g\u00ec AI n\u00f3i v\u1ec1 b\u1ea1n.<\/p><\/blockquote>\n

    T\u1ea1i sao c\u00e1c LLM c\u1ea7n file n\u00e0y \u2014 v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt th\u1ef1c s\u1ef1<\/h2>\n

    C\u00e1c LLM hi\u1ec7n \u0111\u1ea1i kh\u00f4ng crawl (duy\u1ec7t) to\u00e0n b\u1ed9 website theo ki\u1ec3u Google bot. Khi c\u1ea7n tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi, ch\u00fang th\u01b0\u1eddng d\u00f9ng m\u1ed9t trong hai c\u01a1 ch\u1ebf: tri th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c train s\u1eb5n (c\u00f3 th\u1ec3 l\u1ed7i th\u1eddi), ho\u1eb7c RAG<\/strong> \u2014 Retrieval-Augmented Generation (sinh n\u1ed9i dung c\u00f3 h\u1ed7 tr\u1ee3 truy xu\u1ea5t th\u00f4ng tin th\u1eddi gian th\u1ef1c t\u1eeb ngu\u1ed3n b\u00ean ngo\u00e0i).<\/p>\n

    V\u1ea5n \u0111\u1ec1 v\u1edbi RAG: khi m\u1ed9t AI agent (t\u00e1c nh\u00e2n AI t\u1ef1 \u0111\u1ed9ng) \u0111ang thu th\u1eadp th\u00f4ng tin v\u1ec1 c\u00f4ng ty c\u1ee7a b\u1ea1n \u0111\u1ec3 tr\u1ea3 l\u1eddi kh\u00e1ch h\u00e0ng, n\u00f3 th\u01b0\u1eddng ch\u1ec9 \u0111\u1ecdc \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 trang nh\u1ea5t \u0111\u1ecbnh \u2014 v\u00e0 kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ea3m b\u1ea3o \u0111\u00f3 l\u00e0 nh\u1eefng trang b\u1ea1n mu\u1ed1n \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n nh\u1ea5t<\/em>. K\u1ebft qu\u1ea3: AI c\u00f3 th\u1ec3 tr\u00edch d\u1eabn b\u00e0i blog c\u0169 3 n\u0103m, m\u00f4 t\u1ea3 sai d\u1ecbch v\u1ee5, ho\u1eb7c b\u1ecf qua ho\u00e0n to\u00e0n \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i c\u1ee7a b\u1ea1n.<\/p>\n

    llms.txt gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t ngu\u1ed3n s\u1ef1 th\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m duy\u1ec7t<\/strong> \u2014 b\u1ea1n n\u00f3i tr\u1ef1c ti\u1ebfp v\u1edbi AI: “\u0111\u00e2y l\u00e0 nh\u1eefng trang ch\u1ee9a th\u00f4ng tin ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t v\u1ec1 ch\u00fang t\u00f4i.”<\/p>\n

     <\/p>\n

    \"llms.txt<\/p>\n

     <\/p>\n

    <\/p>\n

    B\u1ee9c tranh th\u1ecb tr\u01b0\u1eddng \u2014 adoption \u0111ang t\u0103ng nh\u01b0ng v\u1eabn c\u00f2n r\u1ea5t s\u1edbm<\/h2>\n

    T\u00ednh \u0111\u1ebfn gi\u1eefa n\u0103m 2025, t\u1ef7 l\u1ec7 adoption (t\u1ef7 l\u1ec7 \u00e1p d\u1ee5ng) c\u1ee7a llms.txt trong to\u00e0n b\u1ed9 web ch\u1ec9 \u1edf m\u1ee9c 0,3%<\/strong> \u2014 t\u1ee9c 3 trong 1.000 website. Nghe c\u00f3 v\u1ebb th\u1ea5p, nh\u01b0ng \u0111\u00e2y l\u00e0 t\u00edn hi\u1ec7u t\u1ed1t cho early mover (ng\u01b0\u1eddi \u0111i s\u1edbm): c\u01a1 h\u1ed9i t\u1ea1o l\u1ee3i th\u1ebf v\u1eabn c\u00f2n r\u1ed9ng.<\/p>\n

    \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 m\u1ee9c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng: t\u1eeb th\u00e1ng 2 \u0111\u1ebfn th\u00e1ng 5 n\u0103m 2025, s\u1ed1 website tri\u1ec3n khai llms.txt t\u0103ng 600%<\/strong> \u2014 t\u1eeb 15 l\u00ean 105 domain \u0111\u01b0\u1ee3c ghi nh\u1eadn \u0111\u1ed9c l\u1eadp. (Ngu\u1ed3n: llms-txt.io, 2025)<\/em><\/p>\n

    Ai \u0111ang d\u1eabn \u0111\u1ea7u adoption?<\/h3>\n

    Nh\u00f3m \u0111\u1ea7u ti\u00ean tri\u1ec3n khai t\u1eadp trung r\u00f5 r\u00e0ng \u1edf l\u0129nh v\u1ef1c tech v\u00e0 developer tools:<\/p>\n

      \n
    • Anthropic<\/strong> \u2014 c\u00f4ng ty t\u1ea1o ra Claude, tri\u1ec3n khai llms.txt ngay t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u nh\u01b0 m\u1ed9t \u0111\u1ed9ng th\u00e1i “\u0103n theo s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh”<\/li>\n
    • Cloudflare<\/strong> \u2014 nh\u00e0 cung c\u1ea5p h\u1ea1 t\u1ea7ng m\u1ea1ng to\u00e0n c\u1ea7u, c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng ng\u01b0\u1eddi vi\u1ebft \u0111\u1eb7c t\u1ea3 chu\u1ea9n<\/li>\n
    • Stripe<\/strong> \u2014 n\u1ec1n t\u1ea3ng thanh to\u00e1n, n\u01a1i t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n<\/li>\n
    • Mintlify<\/strong> \u2014 n\u1ec1n t\u1ea3ng vi\u1ebft t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt, fast.ai v\u00e0 nhi\u1ec1u SaaS B2B kh\u00e1c<\/li>\n<\/ul>\n

      Pattern r\u00f5 r\u00e0ng: c\u00e1c c\u00f4ng ty c\u00f3 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p, ho\u1eb7c nh\u1eefng \u0111\u01a1n v\u1ecb m\u00e0 th\u00f4ng tin sai l\u1ec7ch t\u1eeb AI c\u00f3 th\u1ec3 g\u00e2y thi\u1ec7t h\u1ea1i tr\u1ef1c ti\u1ebfp<\/em>, \u0111ang h\u00e0nh \u0111\u1ed9ng s\u1edbm nh\u1ea5t.<\/p>\n

      Gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf c\u1ea7n bi\u1ebft<\/h3>\n

      B\u00e1o c\u00e1o ph\u00e2n t\u00edch 300.000 domain n\u0103m 2025 k\u1ebft lu\u1eadn: ch\u01b0a c\u00f3 LLM provider l\u1edbn n\u00e0o ch\u00ednh th\u1ee9c x\u00e1c nh\u1eadn \u0111ang s\u1eed d\u1ee5ng llms.txt<\/strong> khi training ho\u1eb7c retrieval. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u qu\u1ea3 tr\u1ef1c ti\u1ebfp ngay l\u00fac n\u00e0y ch\u01b0a \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng r\u00f5 r\u00e0ng. (Ngu\u1ed3n: SEORanking, 2025)<\/em><\/p>\n

      Tuy nhi\u00ean, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00fd do \u0111\u1ec3 kh\u00f4ng l\u00e0m \u2014 m\u00e0 l\u00e0 l\u00fd do \u0111\u1ec3 l\u00e0m \u0111\u00fang c\u00e1ch<\/em>: coi llms.txt nh\u01b0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u00e0i h\u1ea1n, kh\u00f4ng ph\u1ea3i m\u1ed9t hack t\u0103ng traffic ngay l\u1eadp t\u1ee9c.<\/p>\n

      llms.txt n\u1eb1m trong b\u1ee9c tranh l\u1edbn h\u01a1n: AEO v\u00e0 GEO<\/h2>\n

      \u0110\u1ec3 hi\u1ec3u \u0111\u00fang vai tr\u00f2 c\u1ee7a llms.txt, c\u1ea7n \u0111\u1eb7t n\u00f3 v\u00e0o context (b\u1ed1i c\u1ea3nh) c\u1ee7a hai xu h\u01b0\u1edbng t\u1ed1i \u01b0u h\u00f3a \u0111ang thay th\u1ebf SEO truy\u1ec1n th\u1ed1ng:<\/p>\n