{"id":5152,"date":"2026-05-26T10:46:26","date_gmt":"2026-05-26T03:46:26","guid":{"rendered":"https:\/\/wpdesign.vn\/?p=5152"},"modified":"2026-05-28T15:13:15","modified_gmt":"2026-05-28T08:13:15","slug":"cai-dat-hreflang-da-ngon-ngu","status":"publish","type":"post","link":"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n C\u00e0i \u0110\u1eb7t hreflang \u0110a Ng\u00f4n Ng\u1eef \u2014 5 B\u01b0\u1edbc B\u1eaft Bu\u1ed9c Cho Website Vi\u1ec7t Nam &#038; H\u00e0n Qu\u1ed1c"},"content":{"rendered":"<p><strong>C\u00e0i \u0111\u1eb7t hreflang \u0111a ng\u00f4n ng\u1eef<\/strong> l\u00e0 k\u1ef9 thu\u1eadt SEO kh\u00f4ng th\u1ec3 b\u1ecf qua n\u1ebfu b\u1ea1n \u0111ang v\u1eadn h\u00e0nh m\u1ed9t website nh\u1eafm \u0111\u1ed3ng th\u1eddi v\u00e0o hai th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u00e0 H\u00e0n Qu\u1ed1c. Khi c\u1ea5u h\u00ecnh sai, Google s\u1ebd hi\u1ec3n th\u1ecb trang ti\u1ebfng H\u00e0n cho ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam v\u00e0 ng\u01b0\u1ee3c l\u1ea1i \u2014 h\u1eadu qu\u1ea3 tr\u1ef1c ti\u1ebfp l\u00e0 t\u1ef7 l\u1ec7 tho\u00e1t trang t\u0103ng v\u1ecdt v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i lao d\u1ed1c kh\u00f4ng phanh. Qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra th\u1ef1c t\u1ebf t\u1ea1i Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh, WPdesign nh\u1eadn th\u1ea5y c\u00f3 \u0111\u1ebfn <strong>68% website<\/strong> c\u1ee7a doanh nghi\u1ec7p H\u00e0n Qu\u1ed1c \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ea1i Vi\u1ec7t Nam t\u1ed3n t\u1ea1i l\u1ed7i hreflang. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch c\u1ee5 th\u1ec3 c\u00e1c lo\u1ea1i l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 h\u01b0\u1edbng d\u1eabn 5 b\u01b0\u1edbc tri\u1ec3n khai tr\u00ean WordPress theo ti\u00eau chu\u1ea9n th\u1ef1c chi\u1ebfn.<\/p>\n<hr \/>\n<blockquote><p><strong>T\u00f3m t\u1eaft 3 \u0111i\u1ec3m c\u1ed1t l\u00f5i<\/strong><br \/>\n&#8211; C\u00e0i \u0111\u1eb7t hreflang sai khi\u1ebfn Google nh\u1ea7m l\u1eabn \u0111\u1ed1i t\u01b0\u1ee3ng ng\u00f4n ng\u1eef v\u00e0 khu v\u1ef1c, d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng traffic gi\u1ea3m xu\u1ed1ng c\u00f2n m\u1ed9t n\u1eeda.<br \/>\n&#8211; Ba l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean website doanh nghi\u1ec7p H\u00e0n Qu\u1ed1c t\u1ea1i Vi\u1ec7t Nam l\u00e0: thi\u1ebfu x-default, thi\u1ebfu self-referencing, v\u00e0 nh\u1ea7m l\u1eabn gi\u1eefa vi-VN v\u1edbi ko-KR.<br \/>\n&#8211; Tr\u00ean WordPress, c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft ho\u00e0n to\u00e0n trong 5 b\u01b0\u1edbc b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p WPML ho\u1eb7c Polylang v\u1edbi Rank Math.<\/p><\/blockquote>\n<hr \/>\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#Muc_Luc\" >M\u1ee5c L\u1ee5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#1_hreflang_Da_Ngon_Ngu_La_Gi\" >1. hreflang \u0110a Ng\u00f4n Ng\u1eef L\u00e0 G\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#2_3_Loi_Thuong_Gap_Tren_Website_Tai_Viet_Nam\" >2. 3 L\u1ed7i Th\u01b0\u1eddng G\u1eb7p Tr\u00ean Website T\u1ea1i Vi\u1ec7t Nam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#3_Bang_Tra_Nhanh_Ma_Ngon_Ngu_Va_Khu_Vuc\" >3. B\u1ea3ng Tra Nhanh M\u00e3 Ng\u00f4n Ng\u1eef V\u00e0 Khu V\u1ef1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#4_5_Buoc_Cai_Dat_hreflang_Tren_WordPress\" >4. 5 B\u01b0\u1edbc C\u00e0i \u0110\u1eb7t hreflang Tr\u00ean WordPress<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#5_Cach_Xac_Minh_hreflang_Bang_Search_Console\" >5. C\u00e1ch X\u00e1c Minh hreflang B\u1eb1ng Search Console<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#6_Case_Study_Thuc_Te_%E2%80%94_Thuong_Hieu_Tieu_Dung_Tai_TPHCM\" >6. Case Study Th\u1ef1c T\u1ebf \u2014 Th\u01b0\u01a1ng Hi\u1ec7u Ti\u00eau D\u00f9ng T\u1ea1i TP.HCM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#Cau_Hoi_Thuong_Gap\" >C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#Tong_Ket_%E2%80%94_Ket_Luan_Ve_Cai_Dat_hreflang_Da_Ngon_Ngu\" >T\u1ed5ng K\u1ebft \u2014 K\u1ebft Lu\u1eadn V\u1ec1 C\u00e0i \u0110\u1eb7t hreflang \u0110a Ng\u00f4n Ng\u1eef<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#Lien_He_Tu_Van_Ngay_Hom_Nay\" >Li\u00ean H\u1ec7 T\u01b0 V\u1ea5n Ngay H\u00f4m Nay<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-hreflang-da-ngon-ngu\/#%ED%95%A8%EA%BB%98_%EC%9D%BD%EA%B8%B0\" >\ud568\uaed8 \uc77d\uae30<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"muc-luc\"><span class=\"ez-toc-section\" id=\"Muc_Luc\"><\/span>M\u1ee5c L\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><a href=\"#1-hreflang-da-ngon-ngu-la-gi\">hreflang \u0111a ng\u00f4n ng\u1eef l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"#2-3-loi-thuong-gap-tren-website-tai-viet-nam\">3 l\u1ed7i th\u01b0\u1eddng g\u1eb7p tr\u00ean website t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#3-bang-tra-nhanh-ma-ngon-ngu-va-khu-vuc\">B\u1ea3ng tra nhanh m\u00e3 ng\u00f4n ng\u1eef v\u00e0 khu v\u1ef1c<\/a><\/li>\n<li><a href=\"#4-5-buoc-cai-dat-hreflang-tren-wordpress\">5 b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t hreflang tr\u00ean WordPress<\/a><\/li>\n<li><a href=\"#5-cach-xac-minh-hreflang-bang-search-console\">C\u00e1ch x\u00e1c minh hreflang b\u1eb1ng Search Console<\/a><\/li>\n<li><a href=\"#6-case-study-thuc-te--thuong-hieu-tieu-dung-tai-tphcm\">Case study th\u1ef1c t\u1ebf \u2014 Th\u01b0\u01a1ng hi\u1ec7u ti\u00eau d\u00f9ng t\u1ea1i TP.HCM<\/a><\/li>\n<li><a href=\"#cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#tong-ket\">T\u1ed5ng k\u1ebft<\/a><\/li>\n<\/ol>\n<hr \/>\n<h2 id=\"1-hreflang-a-ngon-ngu-la-gi\"><span class=\"ez-toc-section\" id=\"1_hreflang_Da_Ngon_Ngu_La_Gi\"><\/span>1. hreflang \u0110a Ng\u00f4n Ng\u1eef L\u00e0 G\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/05\/02_s1-8.jpg\" alt=\"c\u00e0i \u0111\u1eb7t hreflang \u0111a ng\u00f4n ng\u1eef hreflang tag code explanation\" \/><\/figure>\n<p>hreflang l\u00e0 th\u1ebb HTML gi\u00fap b\u1ea1n th\u00f4ng b\u00e1o v\u1edbi Google r\u1eb1ng: &#8220;Trang n\u00e0y d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng <strong>ng\u00f4n ng\u1eef n\u00e0o<\/strong>, t\u1ea1i <strong>qu\u1ed1c gia n\u00e0o<\/strong>.&#8221; Th\u1ebb n\u00e0y c\u00f3 d\u1ea1ng <code>&lt;link rel=\"alternate\" hreflang=\"ko-KR\" href=\"https:\/\/example.com\/ko\/\" \/&gt;<\/code> v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong ph\u1ea7n <code>&lt;head&gt;<\/code> c\u1ee7a trang, t\u00edch h\u1ee3p v\u00e0o XML sitemap, ho\u1eb7c truy\u1ec1n qua HTTP response header.<\/p>\n<p>Khi doanh nghi\u1ec7p H\u00e0n Qu\u1ed1c v\u1eadn h\u00e0nh song song c\u1ea3 trang ti\u1ebfng H\u00e0n (ko-KR) l\u1eabn trang ti\u1ebfng Vi\u1ec7t (vi-VN) m\u00e0 kh\u00f4ng c\u00f3 th\u1ebb n\u00e0y, Google c\u00f3 th\u1ec3 coi m\u1ed9t trong hai trang l\u00e0 &#8220;n\u1ed9i dung tr\u00f9ng l\u1eb7p&#8221; v\u00e0 lo\u1ea1i n\u00f3 kh\u1ecfi ch\u1ec9 m\u1ee5c. Nghi\u00eam tr\u1ecdng h\u01a1n, ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm s\u1ebd b\u1ecb d\u1eabn \u0111\u1ebfn trang kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi ng\u00f4n ng\u1eef v\u00e0 khu v\u1ef1c c\u1ee7a h\u1ecd \u2014 t\u1ef7 l\u1ec7 nh\u1ea5p (CTR) theo \u0111\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ed9t n\u1eeda so v\u1edbi th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn ch\u00ednh th\u1ee9c c\u1ee7a Google t\u1ea1i <a href=\"https:\/\/developers.google.com\/search\/docs\/specialty\/international\/localization\" target=\"_blank\" rel=\"noopener\">Google Search Central \u2014 Qu\u1ea3n l\u00fd website \u0111a ng\u00f4n ng\u1eef<\/a>.<\/p>\n<hr \/>\n<h2 id=\"2-3-loi-thuong-gap-tren-website-tai-viet-nam\"><span class=\"ez-toc-section\" id=\"2_3_Loi_Thuong_Gap_Tren_Website_Tai_Viet_Nam\"><\/span>2. 3 L\u1ed7i Th\u01b0\u1eddng G\u1eb7p Tr\u00ean Website T\u1ea1i Vi\u1ec7t Nam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/05\/03_s2-8.jpg\" alt=\"SEO audit Vietnam website errors\" \/><\/figure>\n<p>Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra th\u1ef1c t\u1ebf t\u1ea1i TP.HCM, WPdesign li\u00ean t\u1ee5c g\u1eb7p ba lo\u1ea1i l\u1ed7i sau \u0111\u00e2y tr\u00ean h\u1ea7u h\u1ebft c\u00e1c website \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n<p><strong>L\u1ed7i 1 \u2014 Thi\u1ebfu x-default<\/strong><br \/>\nTh\u1ebb <code>hreflang=\"x-default\"<\/code> c\u00f3 vai tr\u00f2 ch\u1ec9 \u0111\u1ecbnh trang d\u1ef1 ph\u00f2ng (fallback) d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng thu\u1ed9c b\u1ea5t k\u1ef3 ng\u00f4n ng\u1eef hay khu v\u1ef1c n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh. N\u1ebfu thi\u1ebfu th\u1ebb n\u00e0y, ng\u01b0\u1eddi d\u00f9ng t\u1eeb c\u00e1c qu\u1ed1c gia th\u1ee9 ba nh\u01b0 M\u1ef9 hay Singapore c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ebfn m\u1ed9t phi\u00ean b\u1ea3n ng\u1eabu nhi\u00ean c\u1ee7a trang. \u0110\u1eb7c bi\u1ec7t v\u1edbi doanh nghi\u1ec7p H\u00e0n Qu\u1ed1c t\u1ea1i Vi\u1ec7t Nam c\u00f3 k\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng sang th\u1ecb tr\u01b0\u1eddng ti\u1ebfng Anh, \u0111\u00e2y l\u00e0 th\u1ebb b\u1eaft bu\u1ed9c ph\u1ea3i th\u00eam v\u00e0o.<\/p>\n<p><strong>L\u1ed7i 2 \u2014 Thi\u1ebfu self-referencing (t\u1ef1 tham chi\u1ebfu)<\/strong><br \/>\nB\u1ed9 th\u1ebb hreflang y\u00eau c\u1ea7u m\u1ed7i trang ng\u00f4n ng\u1eef ph\u1ea3i tham chi\u1ebfu <strong>\u0111\u1ed3ng th\u1eddi \u0111\u1ebfn ch\u00ednh n\u00f3 v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c trang thay th\u1ebf kh\u00e1c<\/strong>. N\u1ebfu trang ti\u1ebfng H\u00e0n ch\u1ec9 tr\u1ecf \u0111\u1ebfn trang ti\u1ebfng Vi\u1ec7t m\u00e0 kh\u00f4ng c\u00f3 tham chi\u1ebfu \u0111\u1ebfn ch\u00ednh n\u00f3 (<code>ko-KR<\/code>), Google s\u1ebd coi to\u00e0n b\u1ed9 b\u1ed9 th\u1ebb n\u00e0y l\u00e0 kh\u00f4ng h\u1ee3p l\u1ec7 v\u00e0 b\u1ecf qua ho\u00e0n to\u00e0n.<\/p>\n<p><strong>L\u1ed7i 3 \u2014 Nh\u1eadp sai m\u00e3 ng\u00f4n ng\u1eef (vi-VN \/ ko-KR b\u1ecb vi\u1ebft nh\u1ea7m)<\/strong><br \/>\nTr\u01b0\u1eddng h\u1ee3p r\u1ea5t ph\u1ed5 bi\u1ebfn l\u00e0 d\u00f9ng l\u1eabn l\u1ed9n <code>vi_VN<\/code> (g\u1ea1ch d\u01b0\u1edbi) v\u1edbi <code>vi-VN<\/code> (g\u1ea1ch ngang), ho\u1eb7c ch\u1ec9 d\u00f9ng m\u00ecnh <code>vn<\/code> m\u00e0 kh\u00f4ng c\u00f3 m\u00e3 ng\u00f4n ng\u1eef ph\u00eda tr\u01b0\u1edbc. \u0110\u1ecbnh d\u1ea1ng chu\u1ea9n l\u00e0 m\u00e3 ng\u00f4n ng\u1eef ISO 639-1 k\u1ebft h\u1ee3p v\u1edbi m\u00e3 qu\u1ed1c gia ISO 3166-1, n\u1ed1i nhau b\u1eb1ng d\u1ea5u g\u1ea1ch ngang: <code>vi-VN<\/code> v\u00e0 <code>ko-KR<\/code>.<\/p>\n<hr \/>\n<h2 id=\"3-bang-tra-nhanh-ma-ngon-ngu-va-khu-vuc\"><span class=\"ez-toc-section\" id=\"3_Bang_Tra_Nhanh_Ma_Ngon_Ngu_Va_Khu_Vuc\"><\/span>3. B\u1ea3ng Tra Nhanh M\u00e3 Ng\u00f4n Ng\u1eef V\u00e0 Khu V\u1ef1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c m\u00e3 th\u1ef1c t\u1ebf c\u1ea7n d\u00f9ng khi v\u1eadn h\u00e0nh website nh\u1eafm v\u00e0o th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u00e0 H\u00e0n Qu\u1ed1c.<\/p>\n<table>\n<thead>\n<tr>\n<th>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/th>\n<th>Gi\u00e1 tr\u1ecb hreflang<\/th>\n<th>V\u00ed d\u1ee5 URL<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ti\u1ebfng H\u00e0n (ng\u01b0\u1eddi d\u00f9ng H\u00e0n Qu\u1ed1c)<\/td>\n<td><code>ko-KR<\/code><\/td>\n<td><code>\/ko\/<\/code><\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfng Vi\u1ec7t (ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam)<\/td>\n<td><code>vi-VN<\/code><\/td>\n<td><code>\/vi\/<\/code><\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfng Anh (fallback to\u00e0n c\u1ea7u)<\/td>\n<td><code>x-default<\/code><\/td>\n<td><code>\/en\/<\/code> ho\u1eb7c th\u01b0 m\u1ee5c g\u1ed1c <code>\/<\/code><\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfng Anh (ng\u01b0\u1eddi d\u00f9ng M\u1ef9)<\/td>\n<td><code>en-US<\/code><\/td>\n<td><code>\/en\/<\/code><\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfng H\u00e0n (ch\u1ec9 \u0111\u1ecbnh ng\u00f4n ng\u1eef)<\/td>\n<td><code>ko<\/code><\/td>\n<td><code>\/ko\/<\/code><\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfng Vi\u1ec7t (ch\u1ec9 \u0111\u1ecbnh ng\u00f4n ng\u1eef)<\/td>\n<td><code>vi<\/code><\/td>\n<td><code>\/vi\/<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p>\ud83d\udca1 <strong>M\u1eb9o th\u1ef1c chi\u1ebfn:<\/strong> N\u1ebfu b\u1ea1n nh\u1eafm \u0111\u1ebfn m\u1ed9t qu\u1ed1c gia c\u1ee5 th\u1ec3, h\u00e3y khai b\u00e1o \u0111\u1ea7y \u0111\u1ee7 c\u1ea3 m\u00e3 khu v\u1ef1c nh\u01b0 <code>vi-VN<\/code> hay <code>ko-KR<\/code> \u0111\u1ec3 Google x\u1eed l\u00fd ch\u00ednh x\u00e1c h\u01a1n. V\u1edbi nh\u1eefng website ch\u1ec9 \u0111\u01a1n thu\u1ea7n chuy\u1ec3n \u0111\u1ed5i ng\u00f4n ng\u1eef m\u00e0 kh\u00f4ng ph\u00e2n bi\u1ec7t qu\u1ed1c gia, ch\u1ec9 d\u00f9ng <code>vi<\/code> v\u00e0 <code>ko<\/code> c\u0169ng ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn \u2014 Google nh\u1eadn di\u1ec7n c\u1ea3 hai \u0111\u1ecbnh d\u1ea1ng. (<a href=\"https:\/\/web.dev\/articles\/hreflang\" target=\"_blank\" rel=\"noopener\">Tham kh\u1ea3o th\u00eam t\u1ea1i web.dev<\/a>)<\/p><\/blockquote>\n<hr \/>\n<h2 id=\"4-5-buoc-cai-at-hreflang-tren-wordpress\"><span class=\"ez-toc-section\" id=\"4_5_Buoc_Cai_Dat_hreflang_Tren_WordPress\"><\/span>4. 5 B\u01b0\u1edbc C\u00e0i \u0110\u1eb7t hreflang Tr\u00ean WordPress<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/05\/04_s3-8.jpg\" alt=\"WordPress multilingual plugin setup\" \/><\/figure>\n<p>C\u00e1ch tri\u1ec3n khai <strong>c\u00e0i \u0111\u1eb7t hreflang \u0111a ng\u00f4n ng\u1eef<\/strong> \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t tr\u00ean WordPress l\u00e0 k\u1ebft h\u1ee3p WPML ho\u1eb7c Polylang c\u00f9ng v\u1edbi Rank Math SEO. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc chi ti\u1ebft.<\/p>\n<p><strong>B\u01b0\u1edbc 1 \u2014 Ch\u1ecdn plugin \u0111a ng\u00f4n ng\u1eef ph\u00f9 h\u1ee3p<\/strong><br \/>\nN\u1ebfu ng\u00e2n s\u00e1ch cho ph\u00e9p, h\u00e3y ch\u1ecdn <strong>WPML<\/strong> (t\u1eeb kho\u1ea3ng 2.000.000 \u0111\u1ed3ng\/n\u0103m tr\u1edf l\u00ean). N\u1ebfu c\u1ea7n ti\u1ebft ki\u1ec7m chi ph\u00ed, <strong>Polylang<\/strong> (mi\u1ec5n ph\u00ed ho\u1eb7c b\u1ea3n Pro) l\u00e0 l\u1ef1a ch\u1ecdn thay th\u1ebf t\u1ed1t. C\u1ea3 hai plugin \u0111\u1ec1u h\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p ch\u00ednh th\u1ee9c v\u1edbi Rank Math v\u00e0 t\u1ef1 \u0111\u1ed9ng ch\u00e8n th\u1ebb hreflang v\u00e0o ph\u1ea7n <code>&lt;head&gt;<\/code> c\u1ee7a trang.<\/p>\n<p><strong>B\u01b0\u1edbc 2 \u2014 \u0110\u0103ng k\u00fd ng\u00f4n ng\u1eef<\/strong><br \/>\nV\u1edbi WPML: v\u00e0o <em>WPML \u2192 Ng\u00f4n ng\u1eef \u2192 Ng\u00f4n ng\u1eef trang web<\/em>, th\u00eam ti\u1ebfng H\u00e0n (Korean) v\u00e0 ti\u1ebfng Vi\u1ec7t (Vietnamese), sau \u0111\u00f3 c\u1ea5u h\u00ecnh c\u1ea5u tr\u00fac URL theo d\u1ea1ng th\u01b0 m\u1ee5c <code>\/ko\/<\/code> v\u00e0 <code>\/vi\/<\/code>.<\/p>\n<p><strong>B\u01b0\u1edbc 3 \u2014 K\u1ebft n\u1ed1i n\u1ed9i dung d\u1ecbch<\/strong><br \/>\nLi\u00ean k\u1ebft t\u1eebng b\u00e0i vi\u1ebft, trang, ho\u1eb7c s\u1ea3n ph\u1ea9m v\u1edbi b\u1ea3n d\u1ecbch t\u01b0\u01a1ng \u1ee9ng theo t\u1ef7 l\u1ec7 1:1. N\u1ebfu kh\u00f4ng th\u1ef1c hi\u1ec7n b\u01b0\u1edbc n\u00e0y, plugin s\u1ebd kh\u00f4ng th\u1ec3 t\u1ea1o ra b\u1ed9 th\u1ebb hreflang ho\u00e0n ch\u1ec9nh. H\u00e3y ki\u1ec3m tra trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n <em>Qu\u1ea3n l\u00fd b\u1ea3n d\u1ecbch<\/em> c\u1ee7a WPML \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tr\u1ea1ng th\u00e1i hi\u1ec3n th\u1ecb l\u00e0 &#8220;\u0110\u00e3 ho\u00e0n th\u00e0nh d\u1ecbch&#8221;.<\/p>\n<p><strong>B\u01b0\u1edbc 4 \u2014 C\u1ea5u h\u00ecnh x-default<\/strong><br \/>\nV\u1edbi WPML: v\u00e0o <em>WPML \u2192 SEO \u0111a ng\u00f4n ng\u1eef \u2192 Ng\u00f4n ng\u1eef x-default<\/em> \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh ng\u00f4n ng\u1eef m\u1eb7c \u0111\u1ecbnh (th\u01b0\u1eddng l\u00e0 ti\u1ebfng Anh ho\u1eb7c ti\u1ebfng H\u00e0n). V\u1edbi Polylang Pro: x\u1eed l\u00fd t\u01b0\u01a1ng t\u1ef1 t\u1ea1i <em>C\u00e0i \u0111\u1eb7t \u2192 Ng\u00f4n ng\u1eef \u2192 Ng\u00f4n ng\u1eef m\u1eb7c \u0111\u1ecbnh<\/em>.<\/p>\n<p><strong>B\u01b0\u1edbc 5 \u2014 T\u1ea1o l\u1ea1i XML Sitemap v\u00e0 g\u1eedi l\u00ean Search Console<\/strong><br \/>\nSau khi t\u1ea1o l\u1ea1i sitemap trong Rank Math, m\u1ed7i URL theo ng\u00f4n ng\u1eef s\u1ebd \u0111\u01b0\u1ee3c g\u1eafn k\u00e8m th\u1ebb <code>&lt;xhtml:link&gt;<\/code> t\u01b0\u01a1ng \u1ee9ng. G\u1eedi sitemap \u0111\u00e3 t\u1ea1o l\u00ean Google Search Console, sau \u0111\u00f3 ki\u1ec3m tra xem s\u1ed1 l\u01b0\u1ee3ng &#8220;URL \u0111\u00e3 g\u1eedi&#8221; c\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n chia theo t\u1eebng ng\u00f4n ng\u1eef hay kh\u00f4ng.<\/p>\n<hr \/>\n<h2 id=\"5-cach-xac-minh-hreflang-bang-search-console\"><span class=\"ez-toc-section\" id=\"5_Cach_Xac_Minh_hreflang_Bang_Search_Console\"><\/span>5. C\u00e1ch X\u00e1c Minh hreflang B\u1eb1ng Search Console<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/05\/05_s4-8.jpg\" alt=\"Google Search Console hreflang verification\" \/><\/figure>\n<p>Sau khi ho\u00e0n t\u1ea5t c\u00e0i \u0111\u1eb7t, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i x\u00e1c minh qua ba k\u00eanh sau \u0111\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang.<\/p>\n<p><strong>\u2460 B\u00e1o c\u00e1o Nh\u1eafm m\u1ee5c ti\u00eau qu\u1ed1c t\u1ebf tr\u00ean Search Console<\/strong><br \/>\nV\u00e0o <em>K\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm \u2192 Nh\u1eafm m\u1ee5c ti\u00eau qu\u1ed1c t\u1ebf \u2192 tab Ng\u00f4n ng\u1eef<\/em> \u0111\u1ec3 ki\u1ec3m tra s\u1ed1 l\u1ed7i th\u1ebb hreflang. L\u00fd t\u01b0\u1edfng nh\u1ea5t, con s\u1ed1 &#8220;Kh\u00f4ng c\u00f3 th\u1ebb tr\u1ea3 v\u1ec1&#8221; v\u00e0 &#8220;Kh\u00f4ng nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c m\u00e3&#8221; ph\u1ea3i b\u1eb1ng 0.<\/p>\n<p><strong>\u2461 C\u00f4ng c\u1ee5 ki\u1ec3m tra th\u1ebb hreflang<\/strong><br \/>\nTruy c\u1eadp <a href=\"https:\/\/hreflang.org\/checker\/\" target=\"_blank\" rel=\"noopener\">hreflang.org checker<\/a> v\u00e0 nh\u1eadp URL v\u00e0o \u2014 c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd ki\u1ec3m tra mi\u1ec5n ph\u00ed c\u00e1c l\u1ed7i v\u1ec1 self-referencing, x-default v\u00e0 tham chi\u1ebfu hai chi\u1ec1u.<\/p>\n<p><strong>\u2462 C\u00f4ng c\u1ee5 ki\u1ec3m tra URL tr\u00ean Search Console<\/strong><br \/>\nS\u1eed d\u1ee5ng <em>Ki\u1ec3m tra URL<\/em> trong Search Console \u0111\u1ec3 ph\u00e2n t\u00edch m\u1ed9t trang c\u1ee5 th\u1ec3. Google s\u1ebd hi\u1ec3n th\u1ecb danh s\u00e1ch c\u00e1c URL thay th\u1ebf hreflang m\u00e0 n\u00f3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c. K\u1ebft qu\u1ea3 b\u00ecnh th\u01b0\u1eddng khi c\u1ea3 <code>ko-KR<\/code> l\u1eabn <code>vi-VN<\/code> \u0111\u1ec1u xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch \u0111\u00f3.<\/p>\n<p>Theo kinh nghi\u1ec7m c\u1ee7a WPdesign, sau khi c\u00e0i \u0111\u1eb7t xong, Google th\u01b0\u1eddng m\u1ea5t kho\u1ea3ng <strong>2 \u0111\u1ebfn 4 tu\u1ea7n<\/strong> \u0111\u1ec3 ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 th\u1ebb hreflang trong h\u1ec7 th\u1ed1ng. Trong kho\u1ea3ng th\u1eddi gian n\u00e0y, b\u1ea1n n\u00ean ki\u1ec3m tra t\u00ecnh tr\u1ea1ng l\u1eadp ch\u1ec9 m\u1ee5c m\u1ed7i tu\u1ea7n m\u1ed9t l\u1ea7n \u0111\u1ec3 k\u1ecbp th\u1eddi ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng.<\/p>\n<hr \/>\n<h2 id=\"6-case-study-thuc-te-thuong-hieu-tieu-dung-tai-tphcm\"><span class=\"ez-toc-section\" id=\"6_Case_Study_Thuc_Te_%E2%80%94_Thuong_Hieu_Tieu_Dung_Tai_TPHCM\"><\/span>6. Case Study Th\u1ef1c T\u1ebf \u2014 Th\u01b0\u01a1ng Hi\u1ec7u Ti\u00eau D\u00f9ng T\u1ea1i TP.HCM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/05\/06_s5-8.jpg\" alt=\"Korean brand Vietnam localization success\" \/><\/figure>\n<p>Th\u01b0\u01a1ng hi\u1ec7u ti\u00eau d\u00f9ng A c\u1ee7a H\u00e0n Qu\u1ed1c \u2014 c\u00f3 ph\u00e1p nh\u00e2n t\u1ea1i khu Ph\u00fa M\u1ef9 H\u01b0ng, Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh \u2014 \u0111\u00e3 li\u00ean h\u1ec7 WPdesign \u0111\u1ec3 ki\u1ec3m tra website. T\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3, t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ecd nh\u01b0 sau:<\/p>\n<ul>\n<li>\u0110ang v\u1eadn h\u00e0nh song song trang ti\u1ebfng H\u00e0n (<code>.com\/ko\/<\/code>) v\u00e0 trang ti\u1ebfng Vi\u1ec7t (<code>.com\/vi\/<\/code>)<\/li>\n<li>Ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 th\u1ebb hreflang \u2192 Google coi hai trang nh\u01b0 hai domain ri\u00eang bi\u1ec7t<\/li>\n<li>Google Vi\u1ec7t Nam (google.com.vn) \u0111ang hi\u1ec3n th\u1ecb trang ti\u1ebfng H\u00e0n \u1edf th\u1ee9 h\u1ea1ng cao \u2192 t\u1ef7 l\u1ec7 tho\u00e1t trang l\u00ean \u0111\u1ebfn 91%<\/li>\n<\/ul>\n<p><strong>C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u00e3 \u00e1p d\u1ee5ng:<\/strong><br \/>\n1. T\u00e1i c\u1ea5u tr\u00fac to\u00e0n b\u1ed9 b\u1ed9 th\u1ebb hreflang b\u1eb1ng WPML k\u1ebft h\u1ee3p Rank Math<br \/>\n2. \u0110\u1eb7t x-default v\u1ec1 th\u01b0 m\u1ee5c ti\u1ebfng Anh (<code>\/en\/<\/code>)<br \/>\n3. B\u1ed5 sung li\u00ean k\u1ebft d\u1ecbch c\u00f2n thi\u1ebfu cho 23 trang ti\u1ebfng Vi\u1ec7t (vi-VN)<br \/>\n4. G\u1eedi l\u1ea1i XML Sitemap l\u00ean Search Console<\/p>\n<p><strong>K\u1ebft qu\u1ea3 (sau 8 tu\u1ea7n \u00e1p d\u1ee5ng):<\/strong><br \/>\n&#8211; Traffic t\u1ef1 nhi\u00ean trang ti\u1ebfng Vi\u1ec7t t\u0103ng <strong>+140%<\/strong><br \/>\n&#8211; T\u1ef7 l\u1ec7 tho\u00e1t trang ti\u1ebfng H\u00e0n gi\u1ea3m t\u1eeb 91% xu\u1ed1ng c\u00f2n <strong>61%<\/strong><br \/>\n&#8211; L\u1ed7i nh\u1eafm m\u1ee5c ti\u00eau qu\u1ed1c t\u1ebf tr\u00ean Google Search Console: <strong>0 l\u1ed7i<\/strong><\/p>\n<p>Nh\u01b0 case study n\u00e0y cho th\u1ea5y, ch\u1ec9 c\u1ea7n c\u00e0i \u0111\u1eb7t hreflang \u0111a ng\u00f4n ng\u1eef \u0111\u00fang c\u00e1ch, c\u1ea5u tr\u00fac traffic c\u1ee7a to\u00e0n b\u1ed9 website c\u00f3 th\u1ec3 thay \u0111\u1ed5i ho\u00e0n to\u00e0n \u2014 m\u00e0 kh\u00f4ng c\u1ea7n chi th\u00eam b\u1ea5t k\u1ef3 ng\u00e2n s\u00e1ch qu\u1ea3ng c\u00e1o n\u00e0o.<\/p>\n<hr \/>\n<h2 id=\"cau-hoi-thuong-gap\"><span class=\"ez-toc-section\" id=\"Cau_Hoi_Thuong_Gap\"><\/span>C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Q1. N\u00ean ch\u00e8n th\u1ebb hreflang tr\u1ef1c ti\u1ebfp v\u00e0o HTML hay \u0111\u1eb7t trong sitemap XML th\u00ec t\u1ed1t h\u01a1n?<\/strong><br \/>\nC\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u \u0111\u01b0\u1ee3c Google h\u1ed7 tr\u1ee3 ch\u00ednh th\u1ee9c. N\u1ebfu website c\u00f3 d\u01b0\u1edbi 100 trang, ch\u00e8n tr\u1ef1c ti\u1ebfp v\u00e0o <code>&lt;head&gt;<\/code> c\u1ee7a HTML tr\u1ef1c quan v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n. V\u1edbi website l\u1edbn (t\u1eeb 1.000 trang tr\u1edf l\u00ean), \u0111\u1eb7t trong XML sitemap gi\u00fap qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng h\u01a1n m\u00e0 kh\u00f4ng t\u1ea1o th\u00eam t\u1ea3i cho server. Trong m\u00f4i tr\u01b0\u1eddng WordPress + Rank Math, c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ed3ng th\u1eddi n\u00ean b\u1ea1n kh\u00f4ng c\u1ea7n lo ng\u1ea1i tr\u00f9ng l\u1eb7p.<\/p>\n<p><strong>Q2. M\u00e3 ti\u1ebfng Vi\u1ec7t n\u00ean d\u00f9ng <code>vi<\/code> hay <code>vi-VN<\/code>?<\/strong><br \/>\nN\u1ebfu b\u1ea1n mu\u1ed1n nh\u1eafm \u0111\u1ebfn to\u00e0n b\u1ed9 ng\u01b0\u1eddi d\u00f9ng n\u00f3i ti\u1ebfng Vi\u1ec7t, ch\u1ec9 d\u00f9ng <code>vi<\/code> l\u00e0 \u0111\u1ee7. Tuy nhi\u00ean, n\u1ebfu mu\u1ed1n nh\u1eafm ch\u00ednh x\u00e1c \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng t\u1ea1i Vi\u1ec7t Nam, <code>vi-VN<\/code> s\u1ebd cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c h\u01a1n. Tr\u1eeb khi b\u1ea1n c\u00f3 k\u1ebf ho\u1ea1ch nh\u1eafm ri\u00eang \u0111\u1ebfn ng\u01b0\u1eddi Vi\u1ec7t s\u1ed1ng \u1edf n\u01b0\u1edbc ngo\u00e0i (nh\u01b0 M\u1ef9 hay \u00dac), h\u00e3y d\u00f9ng <code>vi-VN<\/code> cho chu\u1ea9n nh\u1ea5t.<\/p>\n<p><strong>Q3. C\u00e0i \u0111\u1eb7t hreflang xong th\u00ec th\u1ee9 h\u1ea1ng c\u00f3 t\u0103ng ngay kh\u00f4ng?<\/strong><br \/>\nHreflang kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 t\u0103ng th\u1ee9 h\u1ea1ng tr\u1ef1c ti\u1ebfp. \u0110\u00e2y l\u00e0 t\u00edn hi\u1ec7u gi\u00fap Google hi\u1ec3n th\u1ecb \u0111\u00fang phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef cho \u0111\u00fang \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng. Khi trang ph\u00f9 h\u1ee3p \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u0111\u00fang ng\u01b0\u1eddi, CTR c\u1ea3i thi\u1ec7n v\u00e0 t\u1ef7 l\u1ec7 tho\u00e1t trang gi\u1ea3m \u2014 t\u1eeb \u0111\u00f3 t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c gi\u00e1n ti\u1ebfp l\u00ean th\u1ee9 h\u1ea1ng. Th\u00f4ng th\u01b0\u1eddng c\u1ea7n t\u1eeb <strong>2 \u0111\u1ebfn 6 tu\u1ea7n<\/strong> \u0111\u1ec3 k\u1ebft qu\u1ea3 ph\u1ea3n \u00e1nh r\u00f5 tr\u00ean Search Console.<\/p>\n<p><strong>Q4. Polylang mi\u1ec5n ph\u00ed c\u00f3 \u0111\u1ee7 \u0111\u1ec3 c\u00e0i \u0111\u1eb7t hreflang ho\u00e0n ch\u1ec9nh kh\u00f4ng?<\/strong><br \/>\nPolylang b\u1ea3n mi\u1ec5n ph\u00ed k\u1ebft h\u1ee3p v\u1edbi Rank Math b\u1ea3n mi\u1ec5n ph\u00ed v\u1eabn c\u00f3 th\u1ec3 ch\u00e8n th\u1ebb hreflang c\u01a1 b\u1ea3n. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n c\u1ea7n ki\u1ec3m so\u00e1t chi ti\u1ebft ng\u00f4n ng\u1eef x-default v\u00e0 t\u00edch h\u1ee3p s\u1ea3n ph\u1ea9m \u0111a ng\u00f4n ng\u1eef tr\u00ean WooCommerce, b\u1ea1n s\u1ebd c\u1ea7n Polylang Pro (t\u1eeb kho\u1ea3ng 2.000.000 \u0111\u1ed3ng\/n\u0103m tr\u1edf l\u00ean). V\u1edbi website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, n\u00ean d\u00f9ng WPML ho\u1eb7c Polylang Pro \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng.<\/p>\n<p><strong>Q5. Th\u00eam hreflang v\u00e0o website \u0111ang ho\u1ea1t \u0111\u1ed9ng c\u00f3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn SEO hi\u1ec7n t\u1ea1i kh\u00f4ng?<\/strong><br \/>\nN\u1ebfu c\u00e0i \u0111\u1eb7t \u0111\u00fang c\u00e1ch, s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c n\u00e0o. Ng\u01b0\u1ee3c l\u1ea1i, nh\u1eefng trang tr\u01b0\u1edbc \u0111\u00e2y b\u1ecb Google coi l\u00e0 n\u1ed9i dung tr\u00f9ng l\u1eb7p s\u1ebd \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i, gi\u00fap kh\u00f4i ph\u1ee5c traffic. Tuy nhi\u00ean, trong v\u00f2ng 2 tu\u1ea7n sau khi c\u00e0i \u0111\u1eb7t, b\u1ea1n n\u00ean ki\u1ec3m tra Search Console \u0111\u1ec3 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 l\u1ed7i ph\u00e1t sinh, \u0111\u1ed3ng th\u1eddi theo d\u00f5i xem s\u1ed1 l\u01b0\u1ee3ng trang \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c theo t\u1eebng ng\u00f4n ng\u1eef c\u00f3 s\u1ee5t gi\u1ea3m \u0111\u1ed9t ng\u1ed9t kh\u00f4ng.<\/p>\n<hr \/>\n<h2 id=\"tong-ket-ket-luan-ve-cai-at-hreflang-a-ngon-ngu\"><span class=\"ez-toc-section\" id=\"Tong_Ket_%E2%80%94_Ket_Luan_Ve_Cai_Dat_hreflang_Da_Ngon_Ngu\"><\/span>T\u1ed5ng K\u1ebft \u2014 K\u1ebft Lu\u1eadn V\u1ec1 C\u00e0i \u0110\u1eb7t hreflang \u0110a Ng\u00f4n Ng\u1eef<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>C\u00e0i \u0111\u1eb7t hreflang \u0111a ng\u00f4n ng\u1eef<\/strong> l\u00e0 \u0111\u00f2n b\u1ea9y SEO k\u1ef9 thu\u1eadt m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 ph\u00e2n ph\u1ed1i hi\u1ec7u qu\u1ea3 traffic t\u1eeb Google cho c\u1ea3 hai th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u00e0 H\u00e0n Qu\u1ed1c \u2014 ch\u1ec9 c\u1ea7n thi\u1ebft l\u1eadp \u0111\u00fang m\u1ed9t l\u1ea7n l\u00e0 c\u00f3 th\u1ec3 duy tr\u00ec l\u00e2u d\u00e0i. N\u1ebfu c\u1ea3m th\u1ea5y qu\u00e1 tr\u00ecnh c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p, h\u00e3y \u0111\u1ec3 WPdesign ki\u1ec3m tra v\u00e0 t\u01b0 v\u1ea5n tr\u1ef1c ti\u1ebfp cho b\u1ea1n. Ch\u00fang t\u00f4i hi\u1ec7n di\u1ec7n t\u1ea1i TP.HCM, h\u1ed7 tr\u1ee3 to\u00e0n b\u1ed9 b\u1eb1ng ti\u1ebfng H\u00e0n t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>\n<hr \/>\n<h2 id=\"lien-he-tu-van-ngay-hom-nay\"><span class=\"ez-toc-section\" id=\"Lien_He_Tu_Van_Ngay_Hom_Nay\"><\/span>Li\u00ean H\u1ec7 T\u01b0 V\u1ea5n Ngay H\u00f4m Nay<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu b\u1ea1n \u0111ang lo ng\u1ea1i v\u1ec1 l\u1ed7i hreflang tr\u00ean website ti\u1ebfng H\u00e0n ho\u1eb7c ti\u1ebfng Vi\u1ec7t c\u1ee7a m\u00ecnh, WPdesign s\u1eb5n s\u00e0ng ki\u1ec3m tra <strong>ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed<\/strong> cho b\u1ea1n.<\/p>\n<ul>\n<li>\ud83d\udcac <strong>T\u01b0 v\u1ea5n 1:1 qua KakaoTalk<\/strong>: <a href=\"https:\/\/open.kakao.com\/o\/stiJeb0b\" target=\"_blank\" rel=\"noopener\">Truy c\u1eadp k\u00eanh chat ngay<\/a><\/li>\n<li>\ud83d\udccb <strong>Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 &amp; ki\u1ec3m tra<\/strong>: <a href=\"https:\/\/wpdesign.vn\/contact\/\">wpdesign.vn\/contact\/<\/a><\/li>\n<\/ul>\n<blockquote><p>V\u0103n ph\u00f2ng th\u01b0\u1eddng tr\u00fa t\u1ea1i Ph\u00fa M\u1ef9 H\u01b0ng, TP.HCM \/ H\u1ed7 tr\u1ee3 1:1 b\u1eb1ng ti\u1ebfng H\u00e0n \/ C\u1ef1u \u0111\u1ed1i t\u00e1c ch\u00ednh th\u1ee9c c\u1ee7a Cafe24 t\u1ea1i Vi\u1ec7t Nam \/ Chuy\u00ean gia WooCommerce &amp; VNPay<\/p><\/blockquote>\n<h2 id=\"_1\"><span class=\"ez-toc-section\" id=\"%ED%95%A8%EA%BB%98_%EC%9D%BD%EA%B8%B0\"><\/span>\ud568\uaed8 \uc77d\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/wpdesign.vn\/?p=5145\">hreflang \ub2e4\uad6d\uc5b4 SEO \uc644\ubcbd \uac00\uc774\ub4dc \u2014 \ubca0\ud2b8\ub0a8 \ud55c\uad6d\uc5b4 \uc0ac\uc774\ud2b8 \ud544\uc218 \uc124\uc815 5\ub2e8\uacc4<\/a><\/li>\n<li><a href=\"https:\/\/wpdesign.vn\/thiet-ke-website-wordpress-chuan-seo-viet-nam\/\">H\u01b0\u1edbng D\u1eabn Nghi\u00ean C\u1ee9u T\u1eeb Kh\u00f3a Ti\u1ebfng Vi\u1ec7t To\u00e0n Di\u1ec7n \u2014 5 B\u01b0\u1edbc L\u00ean Top Google<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e0i \u0111\u1eb7t hreflang sai khi\u1ebfn Google hi\u1ec3n th\u1ecb trang ti\u1ebfng H\u00e0n cho ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam. B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean website doanh nghi\u1ec7p H\u00e0n Qu\u1ed1c t<\/p>\n","protected":false},"author":1,"featured_media":5146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_focus_keyword":"c\u00e0i \u0111\u1eb7t hreflang \u0111a ng\u00f4n ng\u1eef","rank_math_title":"C\u00e0i \u0110\u1eb7t hreflang \u0110a Ng\u00f4n Ng\u1eef \u2014 5 B\u01b0\u1edbc Cho Website Vi\u1ec7t-H\u00e0n","rank_math_description":"C\u00e0i \u0111\u1eb7t hreflang sai khi\u1ebfn Google hi\u1ec3n th\u1ecb trang ti\u1ebfng H\u00e0n cho ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam. B\u00e0i vi\u1ebft t\u1ed5ng h\u1ee3p c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean website doanh nghi\u1ec7p H\u00e0n Qu\u1ed1c t\u1ea1i Vi\u1ec7t Nam v\u00e0 h\u01b0\u1edbng d\u1eabn 5 b\u01b0\u1edbc \u00e1p d\u1ee5ng tr\u00ean WordPress theo kinh nghi\u1ec7m th\u1ef1c t\u1ebf. Ki\u1ec3m tra ngay!","rank_math_canonical_url":"","rank_math_facebook_title":"","rank_math_facebook_description":"","rank_math_twitter_title":"","rank_math_twitter_description":"","_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-5152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/5152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/comments?post=5152"}],"version-history":[{"count":1,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/5152\/revisions"}],"predecessor-version":[{"id":5155,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/5152\/revisions\/5155"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/media\/5146"}],"wp:attachment":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/media?parent=5152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/categories?post=5152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/tags?post=5152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}