{"id":63175,"date":"2025-03-20T01:41:16","date_gmt":"2025-03-19T18:41:16","guid":{"rendered":"https:\/\/jaybranding.com\/vai-tro-quan-trong-cua-the-canonical-trong-seo\/"},"modified":"2025-03-20T01:41:16","modified_gmt":"2025-03-19T18:41:16","slug":"vai-tro-quan-trong-cua-the-canonical-trong-seo","status":"publish","type":"post","link":"https:\/\/jaybranding.com\/en\/vai-tro-quan-trong-cua-the-canonical-trong-seo\/","title":{"rendered":"Vai Tr\u00f2 Quan Tr\u1ecdng C\u1ee7a Th\u1ebb Canonical Trong SEO"},"content":{"rendered":"
\n

Trong th\u1ebf gi\u1edbi SEO ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, th\u1ebb canonical \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn \u0111\u00e1ng tin c\u1eady, gi\u00fap c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac website c\u1ee7a b\u1ea1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 th\u1ebb canonical, t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong chi\u1ebfn l\u01b0\u1ee3c SEO v\u00e0 c\u00e1ch tri\u1ec3n khai hi\u1ec7u qu\u1ea3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm.<\/p>\n

Th\u1ebb Canonical L\u00e0 G\u00ec?<\/h2>\n

Th\u1ebb canonical (c\u00f2n g\u1ecdi l\u00e0 rel=”canonical”) l\u00e0 m\u1ed9t \u0111o\u1ea1n m\u00e3 HTML \u0111\u01b0\u1ee3c \u0111\u1eb7t trong ph\u1ea7n <head> c\u1ee7a trang web, ch\u1ec9 \u0111\u1ecbnh URL \u01b0u ti\u00ean cho n\u1ed9i dung tr\u00f9ng l\u1eb7p ho\u1eb7c t\u01b0\u01a1ng t\u1ef1. V\u1ec1 c\u01a1 b\u1ea3n, n\u00f3 n\u00f3i v\u1edbi Google v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm kh\u00e1c: “\u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n g\u1ed1c c\u1ee7a trang n\u00e0y, vui l\u00f2ng l\u1eadp ch\u1ec9 m\u1ee5c trang n\u00e0y thay v\u00ec c\u00e1c phi\u00ean b\u1ea3n kh\u00e1c.”<\/p>\n

C\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a th\u1ebb canonical nh\u01b0 sau:<\/p>\n

<link rel=\"canonical\" href=\"https:\/\/example.com\/trang-chinh\/\" \/><\/code><\/p>\n

Th\u1ebb n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t trong ph\u1ea7n <head> c\u1ee7a m\u00e3 HTML v\u00e0 ch\u1ec9 \u0111\u1ecbnh URL m\u00e0 b\u1ea1n mu\u1ed1n c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm coi l\u00e0 phi\u00ean b\u1ea3n ch\u00ednh th\u1ee9c.<\/p>\n

T\u1ea1i Sao Th\u1ebb Canonical L\u1ea1i Quan Tr\u1ecdng Trong SEO?<\/h2>\n

1. Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u1ed9i dung tr\u00f9ng l\u1eb7p<\/h3>\n

N\u1ed9i dung tr\u00f9ng l\u1eb7p l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn nh\u1ea5t trong SEO. Khi nhi\u1ec1u URL hi\u1ec3n th\u1ecb c\u00f9ng m\u1ed9t n\u1ed9i dung, c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm ph\u1ea3i quy\u1ebft \u0111\u1ecbnh phi\u00ean b\u1ea3n n\u00e0o n\u00ean \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c v\u00e0 x\u1ebfp h\u1ea1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n

    \n
      \n
    • Ph\u00e2n t\u00e1n gi\u00e1 tr\u1ecb SEO gi\u1eefa c\u00e1c URL<\/li>\n<\/ul>\n
        \n
      • C\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm l\u1eadp ch\u1ec9 m\u1ee5c phi\u00ean b\u1ea3n kh\u00f4ng mong mu\u1ed1n<\/li>\n<\/ul>\n
          \n
        • Gi\u1ea3m th\u1ee9 h\u1ea1ng t\u1ed5ng th\u1ec3 do “pha lo\u00e3ng” gi\u00e1 tr\u1ecb n\u1ed9i dung<\/li>\n<\/ul>\n<\/ul>\n

          Th\u1ebb canonical gi\u00fap t\u1eadp trung “s\u1ee9c m\u1ea1nh SEO” v\u00e0o m\u1ed9t URL duy nh\u1ea5t, \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c t\u00edn hi\u1ec7u x\u1ebfp h\u1ea1ng (backlinks, t\u00edn hi\u1ec7u ng\u01b0\u1eddi d\u00f9ng, v.v.) \u0111\u01b0\u1ee3c t\u00edch l\u0169y cho URL \u01b0u ti\u00ean.<\/p>\n

          2. T\u1ed1i \u01b0u h\u00f3a ng\u00e2n s\u00e1ch crawl<\/h3>\n

          M\u1ed7i website \u0111\u1ec1u c\u00f3 m\u1ed9t “ng\u00e2n s\u00e1ch crawl” – l\u01b0\u1ee3ng th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean m\u00e0 Google d\u00e0nh \u0111\u1ec3 qu\u00e9t trang web c\u1ee7a b\u1ea1n. Khi c\u00f3 nhi\u1ec1u URL tr\u00f9ng l\u1eb7p, Google c\u00f3 th\u1ec3 l\u00e3ng ph\u00ed ng\u00e2n s\u00e1ch crawl v\u00e0o c\u00e1c trang kh\u00f4ng c\u1ea7n thi\u1ebft. Th\u1ebb canonical gi\u00fap Google s\u1eed d\u1ee5ng ng\u00e2n s\u00e1ch crawl hi\u1ec7u qu\u1ea3 h\u01a1n b\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o c\u00e1c trang quan tr\u1ecdng.<\/p>\n

          3. C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u1eadp ch\u1ec9 m\u1ee5c<\/h3>\n

          B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u1ebb canonical, b\u1ea1n gi\u00fap c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac website c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u1eadp ch\u1ec9 m\u1ee5c hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n

          C\u00e1c Tr\u01b0\u1eddng H\u1ee3p C\u1ea7n S\u1eed D\u1ee5ng Th\u1ebb Canonical<\/h2>\n

          1. C\u00e1c URL c\u00f3 tham s\u1ed1<\/h3>\n

          Nhi\u1ec1u website s\u1eed d\u1ee5ng tham s\u1ed1 URL cho c\u00e1c ch\u1ee9c n\u0103ng nh\u01b0 l\u1ecdc, s\u1eafp x\u1ebfp, theo d\u00f5i chi\u1ebfn d\u1ecbch, v.v. V\u00ed d\u1ee5:<\/p>\n

            \n
              \n
            • https:\/\/example.com\/san-pham?color=do<\/li>\n<\/ul>\n
                \n
              • https:\/\/example.com\/san-pham?size=l<\/li>\n<\/ul>\n
                  \n
                • https:\/\/example.com\/san-pham?utm_source=facebook<\/li>\n<\/ul>\n<\/ul>\n

                  T\u1ea5t c\u1ea3 c\u00e1c URL n\u00e0y c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb n\u1ed9i dung gi\u1ed1ng ho\u1eb7c r\u1ea5t gi\u1ed1ng v\u1edbi URL g\u1ed1c (https:\/\/example.com\/san-pham). Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, th\u1ebb canonical n\u00ean tr\u1ecf v\u1ec1 URL g\u1ed1c.<\/p>\n

                  2. Phi\u00ean b\u1ea3n HTTP v\u00e0 HTTPS<\/h3>\n

                  Khi website chuy\u1ec3n t\u1eeb HTTP sang HTTPS, c\u1ea3 hai phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i song song trong m\u1ed9t th\u1eddi gian. S\u1eed d\u1ee5ng th\u1ebb canonical \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh phi\u00ean b\u1ea3n HTTPS l\u00e0 phi\u00ean b\u1ea3n \u01b0u ti\u00ean.<\/p>\n

                  3. Phi\u00ean b\u1ea3n c\u00f3 www v\u00e0 kh\u00f4ng c\u00f3 www<\/h3>\n

                  T\u01b0\u01a1ng t\u1ef1, website c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c qua c\u1ea3 hai phi\u00ean b\u1ea3n www v\u00e0 kh\u00f4ng c\u00f3 www:<\/p>\n

                    \n
                      \n
                    • https:\/\/www.example.com<\/li>\n<\/ul>\n
                        \n
                      • https:\/\/example.com<\/li>\n<\/ul>\n<\/ul>\n

                        Th\u1ebb canonical gi\u00fap ch\u1ec9 \u0111\u1ecbnh phi\u00ean b\u1ea3n \u01b0u ti\u00ean.<\/p>\n

                        4. N\u1ed9i dung \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean nhi\u1ec1u URL<\/h3>\n

                        Trong c\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u danh m\u1ee5c kh\u00e1c nhau, m\u1ed7i danh m\u1ee5c c\u00f3 URL ri\u00eang. V\u00ed d\u1ee5:<\/p>\n

                          \n
                            \n
                          • https:\/\/example.com\/thoi-trang\/ao-thun<\/li>\n<\/ul>\n
                              \n
                            • https:\/\/example.com\/hang-moi\/ao-thun<\/li>\n<\/ul>\n
                                \n
                              • https:\/\/example.com\/khuyen-mai\/ao-thun<\/li>\n<\/ul>\n<\/ul>\n

                                Th\u1ebb canonical gi\u00fap ch\u1ec9 \u0111\u1ecbnh URL ch\u00ednh cho s\u1ea3n ph\u1ea9m.<\/p>\n

                                5. N\u1ed9i dung \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean nhi\u1ec1u domain<\/h3>\n

                                N\u1ebfu b\u1ea1n xu\u1ea5t b\u1ea3n n\u1ed9i dung tr\u00ean nhi\u1ec1u trang web (v\u00ed d\u1ee5: \u0111\u0103ng b\u00e0i vi\u1ebft tr\u00ean Medium ho\u1eb7c LinkedIn), th\u1ebb canonical c\u00f3 th\u1ec3 gi\u00fap ch\u1ec9 \u0111\u1ecbnh phi\u00ean b\u1ea3n g\u1ed1c tr\u00ean website c\u1ee7a b\u1ea1n.<\/p>\n

                                C\u00e1ch Tri\u1ec3n Khai Th\u1ebb Canonical Hi\u1ec7u Qu\u1ea3<\/h2>\n

                                1. Th\u00eam th\u1ebb canonical v\u00e0o m\u00e3 HTML<\/h3>\n

                                C\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 th\u00eam th\u1ebb canonical tr\u1ef1c ti\u1ebfp v\u00e0o ph\u1ea7n <head> c\u1ee7a trang web:<\/p>\n

                                <link rel=\"canonical\" href=\"https:\/\/example.com\/trang-chinh\/\" \/><\/code><\/p>\n

                                2. Thi\u1ebft l\u1eadp qua HTTP header<\/h3>\n

                                \u0110\u1ed1i v\u1edbi c\u00e1c t\u00e0i nguy\u00ean kh\u00f4ng ph\u1ea3i HTML (nh\u01b0 PDF), b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp canonical qua HTTP header:<\/p>\n

                                Link: <https:\/\/example.com\/trang-chinh\/>; rel=\"canonical\"<\/code><\/p>\n

                                3. S\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn trong sitemap<\/h3>\n

                                Google c\u0169ng h\u1ed7 tr\u1ee3 ch\u1ec9 \u0111\u1ecbnh URL \u01b0u ti\u00ean trong sitemap XML, m\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng m\u1ea1nh b\u1eb1ng hai ph\u01b0\u01a1ng ph\u00e1p tr\u00ean.<\/p>\n

                                4. Thi\u1ebft l\u1eadp trong Google Search Console<\/h3>\n

                                Google Search Console cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh tham s\u1ed1 URL n\u00e0o n\u00ean \u0111\u01b0\u1ee3c b\u1ecf qua khi l\u1eadp ch\u1ec9 m\u1ee5c, gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 n\u1ed9i dung tr\u00f9ng l\u1eb7p.<\/p>\n

                                C\u00e1c L\u1ed7i Th\u01b0\u1eddng G\u1eb7p Khi S\u1eed D\u1ee5ng Th\u1ebb Canonical<\/h2>\n

                                1. Canonical tr\u1ecf \u0111\u1ebfn trang 404 ho\u1eb7c 500<\/h3>\n

                                M\u1ed9t trong nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 th\u1ebb canonical tr\u1ecf \u0111\u1ebfn URL kh\u00f4ng t\u1ed3n t\u1ea1i ho\u1eb7c b\u1ecb l\u1ed7i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra khi URL thay \u0111\u1ed5i nh\u01b0ng th\u1ebb canonical kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.<\/p>\n

                                2. Canonical v\u00f2ng tr\u00f2n<\/h3>\n

                                Trang A tr\u1ecf canonical \u0111\u1ebfn trang B, trong khi trang B l\u1ea1i tr\u1ecf canonical \u0111\u1ebfn trang A. \u0110i\u1ec1u n\u00e0y g\u00e2y nh\u1ea7m l\u1eabn cho c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u1ea3 hai trang \u0111\u1ec1u kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c \u0111\u00fang c\u00e1ch.<\/p>\n

                                3. Nhi\u1ec1u th\u1ebb canonical tr\u00ean m\u1ed9t trang<\/h3>\n

                                Khi m\u1ed9t trang c\u00f3 nhi\u1ec1u th\u1ebb canonical, Google ph\u1ea3i quy\u1ebft \u0111\u1ecbnh th\u1ebb n\u00e0o n\u00ean \u0111\u01b0\u1ee3c \u01b0u ti\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng mong mu\u1ed1n.<\/p>\n

                                4. Canonical kh\u00f4ng t\u1ef1 tham chi\u1ebfu<\/h3>\n

                                M\u1ed7i trang n\u00ean c\u00f3 th\u1ebb canonical tr\u1ecf \u0111\u1ebfn ch\u00ednh n\u00f3 ho\u1eb7c URL \u01b0u ti\u00ean. Thi\u1ebfu th\u1ebb canonical t\u1ef1 tham chi\u1ebfu c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c Google t\u1ef1 ch\u1ecdn phi\u00ean b\u1ea3n \u01b0u ti\u00ean, kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 phi\u00ean b\u1ea3n b\u1ea1n mu\u1ed1n.<\/p>\n

                                Th\u1ebb Canonical v\u00e0 C\u00e1c Y\u1ebfu T\u1ed1 SEO Kh\u00e1c<\/h2>\n

                                1. Canonical v\u00e0 Redirects<\/h3>\n

                                C\u1ea3 canonical v\u00e0 redirect (301) \u0111\u1ec1u gi\u00fap gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u1ed9i dung tr\u00f9ng l\u1eb7p, nh\u01b0ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau:<\/p>\n

                                  \n
                                    \n
                                  • Redirect 301:<\/strong> Chuy\u1ec3n h\u01b0\u1edbng ng\u01b0\u1eddi d\u00f9ng v\u00e0 bots t\u1eeb URL A sang URL B. URL A kh\u00f4ng c\u00f2n truy c\u1eadp \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n
                                      \n
                                    • Canonical:<\/strong> C\u1ea3 URL A v\u00e0 URL B \u0111\u1ec1u truy c\u1eadp \u0111\u01b0\u1ee3c, nh\u01b0ng b\u1ea1n ch\u1ec9 \u0111\u1ecbnh URL B l\u00e0 phi\u00ean b\u1ea3n \u01b0u ti\u00ean cho c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/li>\n<\/ul>\n<\/ul>\n

                                      Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, redirect 301 l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t h\u01a1n n\u1ebfu b\u1ea1n mu\u1ed1n h\u1ee3p nh\u1ea5t ho\u00e0n to\u00e0n hai URL. Canonical ph\u00f9 h\u1ee3p khi b\u1ea1n c\u1ea7n duy tr\u00ec c\u1ea3 hai URL v\u00ec l\u00fd do k\u1ef9 thu\u1eadt ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

                                      2. Canonical v\u00e0 Hreflang<\/h3>\n

                                      \u0110\u1ed1i v\u1edbi c\u00e1c website \u0111a ng\u00f4n ng\u1eef, th\u1ebb hreflang v\u00e0 canonical c\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn:<\/p>\n

                                        \n
                                          \n
                                        • Th\u1ebb hreflang ch\u1ec9 \u0111\u1ecbnh phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef\/khu v\u1ef1c c\u1ee7a m\u1ed9t trang.<\/li>\n<\/ul>\n
                                            \n
                                          • Th\u1ebb canonical ch\u1ec9 \u0111\u1ecbnh phi\u00ean b\u1ea3n \u01b0u ti\u00ean n\u1ebfu c\u00f3 nhi\u1ec1u URL cho c\u00f9ng m\u1ed9t n\u1ed9i dung.<\/li>\n<\/ul>\n<\/ul>\n

                                            C\u00e1c phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef kh\u00e1c nhau n\u00ean tr\u1ecf canonical \u0111\u1ebfn ch\u00ednh ch\u00fang, kh\u00f4ng ph\u1ea3i \u0111\u1ebfn phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef kh\u00e1c.<\/p>\n

                                            3. Canonical v\u00e0 Pagination<\/h3>\n

                                            \u0110\u1ed1i v\u1edbi n\u1ed9i dung ph\u00e2n trang (nh\u01b0 danh s\u00e1ch s\u1ea3n ph\u1ea9m nhi\u1ec1u trang), c\u00f3 hai c\u00e1ch ti\u1ebfp c\u1eadn:<\/p>\n

                                              \n
                                                \n
                                              • S\u1eed d\u1ee5ng th\u1ebb rel=”next” v\u00e0 rel=”prev” (m\u1eb7c d\u00f9 Google kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng ch\u00fang nh\u01b0 t\u00edn hi\u1ec7u ch\u00ednh th\u1ee9c).<\/li>\n<\/ul>\n
                                                  \n
                                                • S\u1eed d\u1ee5ng th\u1ebb canonical \u0111\u1ec3 tr\u1ecf m\u1ed7i trang ph\u00e2n trang \u0111\u1ebfn ch\u00ednh n\u00f3, kh\u00f4ng ph\u1ea3i \u0111\u1ebfn trang \u0111\u1ea7u ti\u00ean.<\/li>\n<\/ul>\n<\/ul>\n

                                                  C\u00e1ch Ki\u1ec3m Tra V\u00e0 Theo D\u00f5i Th\u1ebb Canonical<\/h2>\n

                                                  1. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra<\/h3>\n

                                                  Nhi\u1ec1u c\u00f4ng c\u1ee5 SEO nh\u01b0 Screaming Frog, Ahrefs, SEMrush c\u00f3 th\u1ec3 qu\u00e9t website v\u00e0 b\u00e1o c\u00e1o v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng th\u1ebb canonical, bao g\u1ed3m c\u1ea3 c\u00e1c l\u1ed7i ti\u1ec1m \u1ea9n.<\/p>\n

                                                  2. Ki\u1ec3m tra b\u1eb1ng Google Search Console<\/h3>\n

                                                  Google Search Console cung c\u1ea5p th\u00f4ng tin v\u1ec1 c\u00e1ch Google hi\u1ec3u v\u00e0 x\u1eed l\u00fd c\u00e1c th\u1ebb canonical tr\u00ean website c\u1ee7a b\u1ea1n. Ki\u1ec3m tra b\u00e1o c\u00e1o “URL \u0111\u00e3 ki\u1ec3m tra” \u0111\u1ec3 xem URL canonical \u0111\u01b0\u1ee3c Google nh\u1eadn di\u1ec7n.<\/p>\n

                                                  3. Ki\u1ec3m tra th\u1ee7 c\u00f4ng<\/h3>\n

                                                  \u0110\u1ed1i v\u1edbi c\u00e1c trang quan tr\u1ecdng, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra th\u1ee7 c\u00f4ng b\u1eb1ng c\u00e1ch xem m\u00e3 ngu\u1ed3n v\u00e0 t\u00ecm th\u1ebb canonical.<\/p>\n

                                                  C\u00e1c Tr\u01b0\u1eddng H\u1ee3p Nghi\u00ean C\u1ee9u Th\u1ef1c T\u1ebf<\/h2>\n

                                                  Tr\u01b0\u1eddng h\u1ee3p 1: Website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/h3>\n

                                                  M\u1ed9t website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed l\u1edbn ph\u00e1t hi\u1ec7n r\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u danh m\u1ee5c, t\u1ea1o ra h\u00e0ng ngh\u00ecn URL tr\u00f9ng l\u1eb7p. Sau khi tri\u1ec3n khai th\u1ebb canonical \u0111\u00fang c\u00e1ch, h\u1ecd th\u1ea5y:<\/p>\n

                                                    \n
                                                      \n
                                                    • S\u1ed1 l\u01b0\u1ee3ng URL \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c gi\u1ea3m 40%<\/li>\n<\/ul>\n
                                                        \n
                                                      • T\u1ef7 l\u1ec7 crawl cho c\u00e1c trang m\u1edbi t\u0103ng 25%<\/li>\n<\/ul>\n
                                                          \n
                                                        • Th\u1ee9 h\u1ea1ng cho c\u00e1c t\u1eeb kh\u00f3a s\u1ea3n ph\u1ea9m ch\u00ednh t\u0103ng trung b\u00ecnh 5 v\u1ecb tr\u00ed<\/li>\n<\/ul>\n<\/ul>\n

                                                          Tr\u01b0\u1eddng h\u1ee3p 2: Website tin t\u1ee9c<\/h3>\n

                                                          M\u1ed9t trang tin t\u1ee9c cho ph\u00e9p truy c\u1eadp b\u00e0i vi\u1ebft qua nhi\u1ec1u URL (URL th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, URL c\u00f3 ID, URL AMP). Sau khi tri\u1ec3n khai canonical:<\/p>\n

                                                            \n
                                                              \n
                                                            • Th\u1eddi gian l\u1eadp ch\u1ec9 m\u1ee5c n\u1ed9i dung m\u1edbi gi\u1ea3m t\u1eeb 48 gi\u1edd xu\u1ed1ng 12 gi\u1edd<\/li>\n<\/ul>\n
                                                                \n
                                                              • L\u01b0u l\u01b0\u1ee3ng t\u00ecm ki\u1ebfm t\u0103ng 15% trong 3 th\u00e1ng<\/li>\n<\/ul>\n
                                                                  \n
                                                                • Gi\u1ea3m 60% c\u1ea3nh b\u00e1o “Discovered – currently not indexed” trong Google Search Console<\/li>\n<\/ul>\n<\/ul>\n

                                                                  Conclude<\/h2>\n

                                                                  Th\u1ebb canonical l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong b\u1ed9 c\u00f4ng c\u1ee5 SEO, gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t: n\u1ed9i dung tr\u00f9ng l\u1eb7p. Khi \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u00fang c\u00e1ch, th\u1ebb canonical gi\u00fap:<\/p>\n

                                                                    \n
                                                                      \n
                                                                    • T\u1eadp trung “s\u1ee9c m\u1ea1nh SEO” v\u00e0o URL \u01b0u ti\u00ean<\/li>\n<\/ul>\n
                                                                        \n
                                                                      • C\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 crawl v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c<\/li>\n<\/ul>\n
                                                                          \n
                                                                        • Tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 n\u1ed9i dung tr\u00f9ng l\u1eb7p<\/li>\n<\/ul>\n
                                                                            \n
                                                                          • C\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm t\u1ed5ng th\u1ec3<\/li>\n<\/ul>\n<\/ul>\n

                                                                            Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng th\u1ebb canonical \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u00e0 c\u1ea9n th\u1eadn. C\u00e1c l\u1ed7i trong vi\u1ec7c tri\u1ec3n khai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng mong mu\u1ed1n. V\u00ec v\u1eady, h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n hi\u1ec3u r\u00f5 c\u00e1ch th\u1ebb canonical ho\u1ea1t \u0111\u1ed9ng, khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang, v\u00e0 theo d\u00f5i th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111ang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i.<\/p>\n

                                                                            Trong b\u1ed1i c\u1ea3nh SEO ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, vi\u1ec7c n\u1eafm v\u1eefng v\u00e0 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt nh\u01b0 th\u1ebb canonical s\u1ebd gi\u00fap website c\u1ee7a b\u1ea1n c\u00f3 l\u1ee3i th\u1ebf c\u1ea1nh tranh v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1ee9 h\u1ea1ng cao h\u01a1n trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"

                                                                            Trong th\u1ebf gi\u1edbi SEO ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, th\u1ebb canonical \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn \u0111\u00e1ng tin c\u1eady, gi\u00fap c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac website c\u1ee7a b\u1ea1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 th\u1ebb canonical, t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong chi\u1ebfn l\u01b0\u1ee3c […]<\/p>","protected":false},"author":0,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-63175","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/posts\/63175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/comments?post=63175"}],"version-history":[{"count":0,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/posts\/63175\/revisions"}],"wp:attachment":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/media?parent=63175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/categories?post=63175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/tags?post=63175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}