{"id":5772,"date":"2026-06-26T11:28:52","date_gmt":"2026-06-26T04:28:52","guid":{"rendered":"https:\/\/wpdesign.vn\/?p=5772"},"modified":"2026-07-13T10:46:05","modified_gmt":"2026-07-13T03:46:05","slug":"do-toc-do-website-5-cong-cu-thiet-yeu","status":"publish","type":"post","link":"https:\/\/wpdesign.vn\/vi\/do-toc-do-website-5-cong-cu-thiet-yeu\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn \u0110o T\u1ed1c \u0110\u1ed9 Website To\u00e0n T\u1eadp \u2014 5 C\u00f4ng C\u1ee5 Kh\u00f4ng Th\u1ec3 Thi\u1ebfu Cho Doanh Nghi\u1ec7p T\u1ea1i Vi\u1ec7t Nam"},"content":{"rendered":"<p><strong>\u0110o t\u1ed1c \u0111\u1ed9 website<\/strong> \u2014 nghe th\u00ec \u0111\u01a1n gi\u1ea3n, nh\u01b0ng khi b\u1eaft tay v\u00e0o l\u00e0m, nhi\u1ec1u ch\u1ee7 doanh nghi\u1ec7p l\u1ea1i b\u1ed1i r\u1ed1i v\u00ec qu\u00e1 nhi\u1ec1u c\u00f4ng c\u1ee5 m\u00e0 ch\u1eb3ng bi\u1ebft b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u. PageSpeed Insights cho \u0111i\u1ec3m th\u1ea5p, GTmetrix l\u1ea1i b\u00e1o \u1ed5n, trong khi kh\u00e1ch h\u00e0ng t\u1ea1i TP.HCM v\u1eabn ph\u00e0n n\u00e0n &#8220;website ch\u1eadm qu\u00e1&#8221; \u2014 \u0111\u00e2y l\u00e0 t\u00ecnh hu\u1ed1ng m\u00e0 h\u1ea7u h\u1ebft doanh nghi\u1ec7p ng\u01b0\u1eddi H\u00e0n Qu\u1ed1c \u0111ang kinh doanh t\u1ea1i Vi\u1ec7t Nam \u0111\u1ec1u \u0111\u00e3 t\u1eebng tr\u1ea3i qua \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1ed5ng h\u1ee3p m\u1ed9t c\u00e1ch th\u1ef1c t\u1ebf nh\u1ea5t 5 c\u00f4ng c\u1ee5 \u0111o t\u1ed1c \u0111\u1ed9 website \u0111\u00e3 \u0111\u01b0\u1ee3c WPdesign ki\u1ec3m ch\u1ee9ng tr\u1ef1c ti\u1ebfp t\u1ea1i TP.HCM, bao g\u1ed3m m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, c\u00e1ch thi\u1ebft l\u1eadp \u0111\u00fang chu\u1ea9n, v\u00e0 ti\u00eau ch\u00ed \u0111\u1ecdc k\u1ebft qu\u1ea3 \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c.<\/p>\n<hr>\n<blockquote>\n<p><strong>T\u00f3m t\u1eaft b\u00e0i vi\u1ebft trong 3 d\u00f2ng<\/strong><br \/>\n1. <strong>\u0110o t\u1ed1c \u0111\u1ed9 website<\/strong> c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng 5 c\u00f4ng c\u1ee5: PageSpeed Insights, GTmetrix, WebPageTest, Pingdom v\u00e0 Lighthouse \u2014 m\u1ed7i c\u00f4ng c\u1ee5 c\u00f3 m\u1ee5c \u0111\u00edch v\u00e0 \u0111i\u1ec3m m\u1ea1nh ri\u00eang bi\u1ec7t.<br \/>\n2. V\u1edbi chu\u1ea9n TP.HCM, h\u00e3y \u0111\u1eb7t m\u1ee5c ti\u00eau LCP d\u01b0\u1edbi 2,5 gi\u00e2y, TBT d\u01b0\u1edbi 200ms, v\u00e0 lu\u00f4n ch\u1ecdn server Singapore khi test \u0111\u1ec3 ph\u1ea3n \u00e1nh \u0111\u00fang tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam.<br \/>\n3. \u0110i\u1ec3m s\u1ed1 c\u1ee7a t\u1eebng c\u00f4ng c\u1ee5 ch\u1ec9 mang t\u00ednh tham kh\u1ea3o \u2014 d\u1eef li\u1ec7u th\u1ef1c t\u1ebf t\u1eeb <strong>Core Web Vitals Field Data<\/strong> m\u1edbi l\u00e0 th\u1ee9 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1ee9 h\u1ea1ng Google Search.<\/p>\n<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#1_Do_Toc_Do_Website_%E2%80%94_Tai_Sao_Moi_Cong_Cu_Cho_Ra_Diem_So_Khac_Nhau\" >1. \u0110o T\u1ed1c \u0110\u1ed9 Website \u2014 T\u1ea1i Sao M\u1ed7i C\u00f4ng C\u1ee5 Cho Ra \u0110i\u1ec3m S\u1ed1 Kh\u00e1c Nhau?<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#2_Cong_Cu_%E2%91%A0_PageSpeed_Insights_%E2%80%94_Tieu_Chuan_Chinh_Thuc_Cua_Google\" >2. C\u00f4ng C\u1ee5 \u2460 PageSpeed Insights \u2014 Ti\u00eau Chu\u1ea9n Ch\u00ednh Th\u1ee9c C\u1ee7a Google<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#3_Cong_Cu_%E2%91%A1_GTmetrix_%E2%80%94_Toi_Uu_De_Phan_Tich_Nguyen_Nhan_Theo_Tung_Hang_Muc\" >3. C\u00f4ng C\u1ee5 \u2461 GTmetrix \u2014 T\u1ed1i \u01afu \u0110\u1ec3 Ph\u00e2n T\u00edch Nguy\u00ean Nh\u00e2n Theo T\u1eebng H\u1ea1ng M\u1ee5c<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#4_Cong_Cu_%E2%91%A2_WebPageTest_%E2%80%94_Mo_Phong_Moi_Truong_Thuc_Te_Tai_TPHCM\" >4. C\u00f4ng C\u1ee5 \u2462 WebPageTest \u2014 M\u00f4 Ph\u1ecfng M\u00f4i Tr\u01b0\u1eddng Th\u1ef1c T\u1ebf 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-6\" href=\"https:\/\/wpdesign.vn\/vi\/do-toc-do-website-5-cong-cu-thiet-yeu\/#5_Cong_Cu_%E2%91%A3%E2%91%A4_Pingdom_Lighthouse_%E2%80%94_Kiem_Tra_Nhanh_Va_Chan_Doan_Chuyen_Sau\" >5. C\u00f4ng C\u1ee5 \u2463\u2464 Pingdom &amp; Lighthouse \u2014 Ki\u1ec3m Tra Nhanh V\u00e0 Ch\u1ea9n \u0110o\u00e1n Chuy\u00ean S\u00e2u<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#6_Lo_Trinh_Cai_Thien_Uu_Tien_Sau_Khi_Do_Toc_Do_Website\" >6. L\u1ed9 Tr\u00ecnh C\u1ea3i Thi\u1ec7n \u01afu Ti\u00ean Sau Khi \u0110o T\u1ed1c \u0110\u1ed9 Website<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#Tong_Ket_%E2%80%94_Ket_Luan_Ve_Do_Toc_Do_Website\" >T\u1ed5ng K\u1ebft \u2014 K\u1ebft Lu\u1eadn V\u1ec1 \u0110o T\u1ed1c \u0110\u1ed9 Website<\/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\/do-toc-do-website-5-cong-cu-thiet-yeu\/#%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\">\u0110o T\u1ed1c \u0110\u1ed9 Website \u2014 T\u1ea1i Sao M\u1ed7i C\u00f4ng C\u1ee5 Cho Ra \u0110i\u1ec3m S\u1ed1 Kh\u00e1c Nhau?<\/a><\/li>\n<li><a href=\"#2\">C\u00f4ng C\u1ee5 \u2460 PageSpeed Insights \u2014 Ti\u00eau Chu\u1ea9n Ch\u00ednh Th\u1ee9c C\u1ee7a Google<\/a><\/li>\n<li><a href=\"#3\">C\u00f4ng C\u1ee5 \u2461 GTmetrix \u2014 T\u1ed1i \u01afu \u0110\u1ec3 Ph\u00e2n T\u00edch Nguy\u00ean Nh\u00e2n Theo T\u1eebng H\u1ea1ng M\u1ee5c<\/a><\/li>\n<li><a href=\"#4\">C\u00f4ng C\u1ee5 \u2462 WebPageTest \u2014 M\u00f4 Ph\u1ecfng M\u00f4i Tr\u01b0\u1eddng Th\u1ef1c T\u1ebf T\u1ea1i TP.HCM<\/a><\/li>\n<li><a href=\"#5\">C\u00f4ng C\u1ee5 \u2463\u2464 Pingdom &amp; Lighthouse \u2014 Ki\u1ec3m Tra Nhanh V\u00e0 Ch\u1ea9n \u0110o\u00e1n Chuy\u00ean S\u00e2u<\/a><\/li>\n<li><a href=\"#6\">L\u1ed9 Tr\u00ecnh C\u1ea3i Thi\u1ec7n \u01afu Ti\u00ean Sau Khi \u0110o T\u1ed1c \u0110\u1ed9 Website<\/a><\/li>\n<\/ol>\n<hr>\n<h2 id=\"1\"><span class=\"ez-toc-section\" id=\"1_Do_Toc_Do_Website_%E2%80%94_Tai_Sao_Moi_Cong_Cu_Cho_Ra_Diem_So_Khac_Nhau\"><\/span>1. \u0110o T\u1ed1c \u0110\u1ed9 Website \u2014 T\u1ea1i Sao M\u1ed7i C\u00f4ng C\u1ee5 Cho Ra \u0110i\u1ec3m S\u1ed1 Kh\u00e1c Nhau?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/06\/02_s1-42.jpg\" alt=\"\u0111o t\u1ed1c \u0111\u1ed9 website pagespeed gtmetrix score difference\" \/><br \/>\n<\/figure>\n<p>C\u00f9ng m\u1ed9t website, nh\u01b0ng PageSpeed Insights cho 45 \u0111i\u1ec3m, GTmetrix x\u1ebfp h\u1ea1ng B, c\u00f2n Pingdom hi\u1ec3n th\u1ecb &#8220;Performance Grade 72&#8221; \u2014 s\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y kh\u00f4ng ph\u1ea3i do l\u1ed7i k\u1ef9 thu\u1eadt, m\u00e0 \u0111\u01a1n gi\u1ea3n v\u00ec <strong>m\u1ed7i c\u00f4ng c\u1ee5 s\u1eed d\u1ee5ng ti\u00eau ch\u00ed \u0111o l\u01b0\u1eddng kh\u00e1c nhau<\/strong>.<\/p>\n<ul>\n<li><strong>Ki\u1ec3m tra t\u1ed5ng h\u1ee3p (Synthetic Test)<\/strong>: GTmetrix, WebPageTest v\u00e0 Pingdom ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch cho m\u1ed9t m\u00e1y ch\u1ee7 c\u1ee5 th\u1ec3 tr\u1ef1c ti\u1ebfp truy c\u1eadp v\u00e0o URL c\u1ee7a b\u1ea1n v\u00e0 \u0111o th\u1eddi gian t\u1ea3i. K\u1ebft qu\u1ea3 s\u1ebd thay \u0111\u1ed5i tu\u1ef3 theo v\u1ecb tr\u00ed server test, phi\u00ean b\u1ea3n tr\u00ecnh duy\u1ec7t v\u00e0 t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/li>\n<li><strong>D\u1eef li\u1ec7u th\u1ef1c t\u1ebf (Field Data \/ CrUX)<\/strong>: PageSpeed Insights hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u \u0111o th\u1ef1c t\u1eeb ng\u01b0\u1eddi d\u00f9ng Chrome th\u1ef1c t\u1ebf \u0111\u00e3 truy c\u1eadp URL trong v\u00f2ng 28 ng\u00e0y. \u0110\u00e2y ch\u00ednh l\u00e0 con s\u1ed1 \u0111\u01b0\u1ee3c Google ph\u1ea3n \u00e1nh v\u00e0o th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm.<\/li>\n<\/ul>\n<p>M\u1ed9t l\u1ed7i r\u1ea5t ph\u1ed5 bi\u1ebfn khi test cho website h\u01b0\u1edbng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng t\u1ea1i TP.HCM l\u00e0 <strong>\u0111\u1ec3 m\u1eb7c v\u1ecb tr\u00ed server \u1edf Dallas (M\u1ef9)<\/strong> m\u00e0 kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh. N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft t\u1ed1c \u0111\u1ed9 c\u1ea3m nh\u1eadn th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam, b\u1eaft bu\u1ed9c ph\u1ea3i ch\u1ecdn node <strong>Singapore<\/strong> trong c\u00e0i \u0111\u1eb7t ki\u1ec3m tra.<\/p>\n<hr>\n<h2 id=\"2\"><span class=\"ez-toc-section\" id=\"2_Cong_Cu_%E2%91%A0_PageSpeed_Insights_%E2%80%94_Tieu_Chuan_Chinh_Thuc_Cua_Google\"><\/span>2. C\u00f4ng C\u1ee5 \u2460 PageSpeed Insights \u2014 Ti\u00eau Chu\u1ea9n Ch\u00ednh Th\u1ee9c C\u1ee7a Google<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/06\/03_s2-42.jpg\" alt=\"pagespeed insights vietnam seo\" \/><br \/>\n<\/figure>\n<p><strong>URL<\/strong>: <a href=\"https:\/\/pagespeed.web.dev\/\" target=\"_blank\" rel=\"noopener\">pagespeed.web.dev<\/a><\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 do ch\u00ednh Google cung c\u1ea5p, v\u00e0 c\u0169ng l\u00e0 c\u00f4ng c\u1ee5 <strong>\u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp nh\u1ea5t \u0111\u1ebfn \u0111i\u1ec3m SEO<\/strong> c\u1ee7a b\u1ea1n. Ba ch\u1ec9 s\u1ed1 c\u1ea7n ch\u00fa \u00fd nh\u1ea5t l\u00e0:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ch\u1ec9 s\u1ed1<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<th>M\u1ee5c ti\u00eau khuy\u1ebfn ngh\u1ecb t\u1ea1i TP.HCM<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>LCP (Largest Contentful Paint)<\/td>\n<td>Th\u1eddi gian t\u1ea3i kh\u1ed1i n\u1ed9i dung l\u1edbn nh\u1ea5t tr\u00ean trang<\/td>\n<td><strong>D\u01b0\u1edbi 2,5 gi\u00e2y<\/strong><\/td>\n<\/tr>\n<tr>\n<td>TBT (Total Blocking Time)<\/td>\n<td>T\u1ed5ng th\u1eddi gian lu\u1ed3ng ch\u00ednh b\u1ecb ch\u1eb7n<\/td>\n<td><strong>D\u01b0\u1edbi 200ms<\/strong><\/td>\n<\/tr>\n<tr>\n<td>CLS (Cumulative Layout Shift)<\/td>\n<td>\u0110i\u1ec3m t\u00edch l\u0169y d\u1ecbch chuy\u1ec3n b\u1ed1 c\u1ee5c trang<\/td>\n<td><strong>D\u01b0\u1edbi 0,1<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>M\u1eb9o s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf<\/strong>: Trong ph\u1ea7n &#8220;Diagnose performance issues&#8221;, h\u00e3y \u01b0u ti\u00ean ki\u1ec3m tra hai m\u1ee5c &#8220;Render-blocking resources&#8221; v\u00e0 &#8220;Unused JavaScript&#8221; tr\u01b0\u1edbc ti\u00ean. V\u1edbi website WordPress, plugin t\u1ea3i JavaScript kh\u00f4ng c\u1ea7n thi\u1ebft th\u01b0\u1eddng chi\u1ebfm t\u1eeb 40 \u0111\u1ebfn 60% t\u1ed5ng \u0111i\u1ec3m b\u1ecb tr\u1eeb. N\u1ebfu tab &#8220;Field Data (D\u1eef li\u1ec7u th\u1ef1c t\u1ebf)&#8221; hi\u1ec3n th\u1ecb m\u00e0u x\u00e1m, c\u00f3 ngh\u0129a l\u00e0 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng Chrome ch\u01b0a \u0111\u01b0\u1ee3c t\u00edch l\u0169y \u0111\u1ee7 \u2014 h\u00e3y \u0111\u1ee3i t\u1ed1i thi\u1ec3u 28 ng\u00e0y r\u1ed3i ki\u1ec3m tra l\u1ea1i.<\/p>\n<hr>\n<h2 id=\"3\"><span class=\"ez-toc-section\" id=\"3_Cong_Cu_%E2%91%A1_GTmetrix_%E2%80%94_Toi_Uu_De_Phan_Tich_Nguyen_Nhan_Theo_Tung_Hang_Muc\"><\/span>3. C\u00f4ng C\u1ee5 \u2461 GTmetrix \u2014 T\u1ed1i \u01afu \u0110\u1ec3 Ph\u00e2n T\u00edch Nguy\u00ean Nh\u00e2n Theo T\u1eebng H\u1ea1ng M\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/06\/04_s3-42.jpg\" alt=\"gtmetrix waterfall analysis desk\" \/><br \/>\n<\/figure>\n<p><strong>URL<\/strong>: <a href=\"https:\/\/gtmetrix.com\/\" target=\"_blank\" rel=\"noopener\">gtmetrix.com<\/a><\/p>\n<p>\u0110i\u1ec3m m\u1ea1nh n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a GTmetrix ch\u00ednh l\u00e0 <strong>bi\u1ec3u \u0111\u1ed3 Waterfall<\/strong>. C\u00f4ng c\u1ee5 n\u00e0y tr\u1ef1c quan h\u00f3a to\u00e0n b\u1ed9 c\u00e1c t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c t\u1ea3i theo th\u1ee9 t\u1ef1 th\u1eddi gian, cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh ngay &#8220;file \u1ea3nh n\u00e0y \u0111ang g\u00e2y ch\u1eadm&#8221; m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00f3 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u hay nh\u1edd \u0111\u1ebfn l\u1eadp tr\u00ecnh vi\u00ean.<\/p>\n<p><strong>C\u00e1ch thi\u1ebft l\u1eadp cho TP.HCM<\/strong>:<br \/>\n1. Tr\u01b0\u1edbc khi ch\u1ea1y test, v\u00e0o &#8220;Analysis Options&#8221; \u2192 Test Server Location: ch\u1ecdn <strong>Singapore<\/strong><br \/>\n2. Browser: Chrome, Connection: Unthrottled (ho\u1eb7c 4G LTE)<br \/>\n3. T\u00e0i kho\u1ea3n mi\u1ec5n ph\u00ed v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng node Singapore<\/p>\n<p><strong>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/strong>: Khi WPdesign th\u1ef1c hi\u1ec7n t\u00e1i thi\u1ebft k\u1ebf website nh\u00e0 h\u00e0ng H\u00e0n Qu\u1ed1c t\u1ea1i TP.HCM, bi\u1ec3u \u0111\u1ed3 Waterfall c\u1ee7a GTmetrix cho th\u1ea5y 3 \u1ea3nh menu (JPG, m\u1ed7i file 2,4MB) chi\u1ebfm t\u1edbi 68% t\u1ed5ng th\u1eddi gian t\u1ea3i trang. Sau khi chuy\u1ec3n sang \u0111\u1ecbnh d\u1ea1ng WebP v\u00e0 \u00e1p d\u1ee5ng Lazy Load, \u0111i\u1ec3m GTmetrix t\u0103ng t\u1eeb C l\u00ean A, v\u00e0 LCP \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u1eeb 6,8 gi\u00e2y xu\u1ed1ng c\u00f2n 2,1 gi\u00e2y.<\/p>\n<hr>\n<h2 id=\"4\"><span class=\"ez-toc-section\" id=\"4_Cong_Cu_%E2%91%A2_WebPageTest_%E2%80%94_Mo_Phong_Moi_Truong_Thuc_Te_Tai_TPHCM\"><\/span>4. C\u00f4ng C\u1ee5 \u2462 WebPageTest \u2014 M\u00f4 Ph\u1ecfng M\u00f4i Tr\u01b0\u1eddng Th\u1ef1c T\u1ebf T\u1ea1i TP.HCM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/06\/05_s4-40.jpg\" alt=\"webpagetest vietnam server location\" \/><br \/>\n<\/figure>\n<p><strong>URL<\/strong>: <a href=\"https:\/\/www.webpagetest.org\/\" target=\"_blank\" rel=\"noopener\">webpagetest.org<\/a><\/p>\n<p>Trong s\u1ed1 c\u00e1c c\u00f4ng c\u1ee5 \u0111o t\u1ed1c \u0111\u1ed9 website, WebPageTest l\u00e0 l\u1ef1a ch\u1ecdn chuy\u00ean s\u00e2u nh\u1ea5t v\u1edbi kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh chi ti\u1ebft nh\u1ea5t. \u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u00f3 ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng gi\u1eefa <strong>Repeat View (t\u1ed1c \u0111\u1ed9 truy c\u1eadp l\u1ea7n 2)<\/strong> v\u00e0 <strong>First View (t\u1ed1c \u0111\u1ed9 truy c\u1eadp l\u1ea7n \u0111\u1ea7u)<\/strong>, r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 x\u00e1c nh\u1eadn c\u00e0i \u0111\u1eb7t cache c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch hay kh\u00f4ng.<\/p>\n<p><strong>C\u00e1c thi\u1ebft l\u1eadp quan tr\u1ecdng<\/strong>:<br \/>\n&#8211; Test Location: <strong>Singapore \u2014 EC2<\/strong><br \/>\n&#8211; Browser: Chrome<br \/>\n&#8211; Connection: 4G (ph\u1ea3n \u00e1nh m\u00f4i tr\u01b0\u1eddng di \u0111\u1ed9ng th\u1ef1c t\u1ebf t\u1ea1i Vi\u1ec7t Nam)<br \/>\n&#8211; Number of Tests: Khuy\u1ebfn ngh\u1ecb d\u00f9ng gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a 3 l\u1ea7n test<\/p>\n<p>T\u00ednh n\u0103ng &#8220;Filmstrip View&#8221; cho ph\u00e9p b\u1ea1n xem website \u0111\u01b0\u1ee3c render theo t\u1eebng m\u1ed1c th\u1eddi gian nh\u01b0 m\u1ed9t \u0111o\u1ea1n video, gi\u00fap tr\u1ef1c quan h\u00f3a r\u00f5 r\u00e0ng &#8220;khi n\u00e0o ng\u01b0\u1eddi d\u00f9ng m\u1edbi th\u1ef1c s\u1ef1 th\u1ea5y \u0111\u01b0\u1ee3c n\u1ed9i dung (FCP)&#8221;. \u0110\u00e2y c\u0169ng l\u00e0 c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c Google Search Central ch\u00ednh th\u1ee9c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n Core Web Vitals. Tham kh\u1ea3o th\u00eam: <a href=\"https:\/\/developers.google.com\/search\/docs\/appearance\/core-web-vitals\" target=\"_blank\" rel=\"noopener\">Google Search Central \u2014 Measure Core Web Vitals<\/a><\/p>\n<hr>\n<h2 id=\"5\"><span class=\"ez-toc-section\" id=\"5_Cong_Cu_%E2%91%A3%E2%91%A4_Pingdom_Lighthouse_%E2%80%94_Kiem_Tra_Nhanh_Va_Chan_Doan_Chuyen_Sau\"><\/span>5. C\u00f4ng C\u1ee5 \u2463\u2464 Pingdom &amp; Lighthouse \u2014 Ki\u1ec3m Tra Nhanh V\u00e0 Ch\u1ea9n \u0110o\u00e1n Chuy\u00ean S\u00e2u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Pingdom<\/strong> (<a href=\"https:\/\/tools.pingdom.com\/\" target=\"_blank\" rel=\"noopener\">tools.pingdom.com<\/a>) l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho ch\u1ee7 doanh nghi\u1ec7p kh\u00f4ng c\u00f3 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt mu\u1ed1n th\u1ef1c hi\u1ec7n ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 h\u00e0ng tu\u1ea7n. K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb tr\u1ef1c quan d\u01b0\u1edbi d\u1ea1ng x\u1ebfp h\u1ea1ng t\u1eeb A \u0111\u1ebfn F k\u00e8m theo th\u1eddi gian t\u1ea3i (t\u00ednh theo gi\u00e2y), gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng so s\u00e1nh: &#8220;Tu\u1ea7n n\u00e0y c\u00f3 ch\u1eadm h\u01a1n tu\u1ea7n tr\u01b0\u1edbc kh\u00f4ng?&#8221; Khi ch\u1ecdn server test, h\u00e3y \u01b0u ti\u00ean <strong>Asia Pacific \u2014 Japan<\/strong> ho\u1eb7c <strong>Singapore (t\u00ednh ph\u00ed)<\/strong>.<\/p>\n<p><strong>Lighthouse<\/strong> l\u00e0 c\u00f4ng c\u1ee5 d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong tr\u00ecnh duy\u1ec7t Chrome. Nh\u1ea5n F12 \u2192 tab &#8220;Lighthouse&#8221; \u2192 ch\u1ea1y ph\u00e2n t\u00edch \u1edf ch\u1ebf \u0111\u1ed9 Mobile s\u1ebd cho k\u1ebft qu\u1ea3 d\u1ef1a tr\u00ean c\u00f9ng engine v\u1edbi PageSpeed Insights. Tuy nhi\u00ean, v\u00ec Lighthouse ch\u1ea1y tr\u1ef1c ti\u1ebfp tr\u00ean <strong>m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n<\/strong>, k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c extension Chrome \u0111ang b\u1eadt ho\u1eb7c b\u1ed9 nh\u1edb cache c\u1ee5c b\u1ed9. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, h\u00e3y lu\u00f4n ch\u1ea1y trong <strong>c\u1eeda s\u1ed5 \u1ea9n danh (Incognito)<\/strong>. Tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn \u0111o l\u01b0\u1eddng t\u1eeb web.dev: <a href=\"https:\/\/web.dev\/measure\/\" target=\"_blank\" rel=\"noopener\">web.dev \u2014 Measure performance with Lighthouse<\/a><\/p>\n<table>\n<thead>\n<tr>\n<th>C\u00f4ng c\u1ee5<\/th>\n<th>M\u1ee5c \u0111\u00edch ch\u00ednh<\/th>\n<th>\u0110\u1ed9 kh\u00f3 cho ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean<\/th>\n<th>Server TP.HCM<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PageSpeed Insights<\/td>\n<td>Xem ch\u1ec9 s\u1ed1 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn SEO<\/td>\n<td>\u2605\u2605\u2606<\/td>\n<td>T\u1ef1 \u0111\u1ed9ng (d\u1ef1a tr\u00ean CrUX)<\/td>\n<\/tr>\n<tr>\n<td>GTmetrix<\/td>\n<td>Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n theo t\u1eebng t\u00e0i nguy\u00ean<\/td>\n<td>\u2605\u2605\u2606<\/td>\n<td>Singapore (mi\u1ec5n ph\u00ed)<\/td>\n<\/tr>\n<tr>\n<td>WebPageTest<\/td>\n<td>M\u00f4 ph\u1ecfng m\u00f4i tr\u01b0\u1eddng ch\u00ednh x\u00e1c cao<\/td>\n<td>\u2605\u2605\u2605<\/td>\n<td>Singapore EC2<\/td>\n<\/tr>\n<tr>\n<td>Pingdom<\/td>\n<td>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 h\u00e0ng tu\u1ea7n<\/td>\n<td>\u2605\u2606\u2606<\/td>\n<td>Japan (mi\u1ec5n ph\u00ed)<\/td>\n<\/tr>\n<tr>\n<td>Lighthouse<\/td>\n<td>Ch\u1ea9n \u0111o\u00e1n nhanh tr\u00ean tr\u00ecnh duy\u1ec7t<\/td>\n<td>\u2605\u2605\u2606<\/td>\n<td>Local (ch\u1ebf \u0111\u1ed9 \u1ea9n danh)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2 id=\"6\"><span class=\"ez-toc-section\" id=\"6_Lo_Trinh_Cai_Thien_Uu_Tien_Sau_Khi_Do_Toc_Do_Website\"><\/span>6. L\u1ed9 Tr\u00ecnh C\u1ea3i Thi\u1ec7n \u01afu Ti\u00ean Sau Khi \u0110o T\u1ed1c \u0110\u1ed9 Website<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/06\/06_s5-39.jpg\" alt=\"wordpress speed optimization roadmap hcmc\" \/><br \/>\n<\/figure>\n<p>Sau khi \u0111\u00e3 <strong>\u0111o t\u1ed1c \u0111\u1ed9 website<\/strong> xong, \u0111\u1eebng qu\u00e1 b\u1eadn t\u00e2m v\u00e0o con s\u1ed1 \u0111i\u1ec3m s\u1ed1 \u2014 thay v\u00e0o \u0111\u00f3 h\u00e3y c\u1ea3i thi\u1ec7n theo \u0111\u00fang th\u1ee9 t\u1ef1 \u01b0u ti\u00ean d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n<ol>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh (T\u00e1c \u0111\u1ed9ng l\u1edbn nh\u1ea5t)<\/strong>: Chuy\u1ec3n \u0111\u1ed5i sang \u0111\u1ecbnh d\u1ea1ng WebP k\u1ebft h\u1ee3p Lazy Load (t\u1ea3i \u1ea3nh tr\u1ec5). V\u1edbi WordPress, d\u00f9ng plugin ShortPixel ho\u1eb7c Smush \u0111\u1ec3 x\u1eed l\u00fd h\u00e0ng lo\u1ea1t. H\u1ea7u h\u1ebft c\u00e1c website c\u00f3 th\u1ec3 gi\u1ea3m LCP t\u1eeb 1 \u0111\u1ebfn 3 gi\u00e2y ch\u1ec9 v\u1edbi b\u01b0\u1edbc n\u00e0y.<\/li>\n<li><strong>C\u1ea5u h\u00ecnh plugin cache<\/strong>: S\u1eed d\u1ee5ng WP Rocket ho\u1eb7c W3 Total Cache \u0111\u1ec3 k\u00edch ho\u1ea1t \u0111\u1ed3ng th\u1eddi Page Cache v\u00e0 Browser Cache. T\u1ed1c \u0111\u1ed9 Repeat View (l\u1ea7n truy c\u1eadp th\u1ee9 2) c\u1ea7n \u0111\u1ea1t m\u1ee9c 30\u201350% so v\u1edbi First View m\u1edbi \u0111\u01b0\u1ee3c xem l\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang chu\u1ea9n.<\/li>\n<li><strong>Lo\u1ea1i b\u1ecf plugin kh\u00f4ng c\u1ea7n thi\u1ebft<\/strong>: Ngay c\u1ea3 plugin \u0111\u00e3 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a v\u1eabn c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u (DB query) kh\u00f4ng c\u1ea7n thi\u1ebft. H\u00e3y ki\u1ec3m tra trong bi\u1ec3u \u0111\u1ed3 Waterfall c\u1ee7a GTmetrix c\u00e1c t\u00e0i nguy\u00ean c\u00f3 \u0111\u01b0\u1eddng d\u1eabn <code>\/wp-content\/plugins\/<\/code> v\u00e0 d\u1ecdn d\u1eb9p nh\u1eefng plugin kh\u00f4ng c\u00f2n d\u00f9ng \u0111\u1ebfn.<\/li>\n<li><strong>Tri\u1ec3n khai CDN<\/strong>: N\u1ebfu ph\u1ea7n l\u1edbn l\u01b0\u1ee3t truy c\u1eadp \u0111\u1ebfn t\u1eeb TP.HCM, ch\u1ec9 c\u1ea7n g\u00f3i mi\u1ec5n ph\u00ed c\u1ee7a Cloudflare c\u0169ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea9y t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i cho c\u00e1c file t\u0129nh (CSS, JS, h\u00ecnh \u1ea3nh) l\u00ean m\u1ee9c c\u1ee7a edge server Singapore.<\/li>\n<\/ol>\n<p>D\u1ef1a tr\u00ean kinh nghi\u1ec7m v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf c\u1ee7a WPdesign t\u1ea1i TP.HCM, ch\u1ec9 c\u1ea7n \u00e1p d\u1ee5ng \u0111\u00fang th\u1ee9 t\u1ef1 4 b\u01b0\u1edbc tr\u00ean, \u0111i\u1ec3m PageSpeed Insights tr\u00ean Mobile trung b\u00ecnh c\u00f3 th\u1ec3 t\u0103ng <strong>+25 \u0111\u1ebfn +40 \u0111i\u1ec3m<\/strong>. Tuy nhi\u00ean, m\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec3m s\u1ed1 \u2014 m\u00e0 l\u00e0 <strong>LCP v\u00e0 CLS trong Field Data ph\u1ea3i \u0111\u1ea1t tr\u1ea1ng th\u00e1i &#8220;T\u1ed1t (Good)&#8221;<\/strong>, v\u00ec \u0111\u00f3 m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 th\u1ef1c s\u1ef1 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm Google t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<p>Tham kh\u1ea3o th\u00eam: <a href=\"\/insights\/\ud638\uce58\ubbfc-\uc11c\ubc84-\ud55c\uad6d-\uc11c\ubc84-\ube44\uad50\/\">So S\u00e1nh M\u00e1y Ch\u1ee7 T\u1ea1i TP.HCM v\u00e0 M\u00e1y Ch\u1ee7 H\u00e0n Qu\u1ed1c \u2014 H\u01b0\u1edbng D\u1eabn L\u1ef1a Ch\u1ecdn Cho Doanh Nghi\u1ec7p T\u1ea1i Vi\u1ec7t Nam<\/a> \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a v\u1ecb tr\u00ed m\u00e1y ch\u1ee7 \u0111\u1ebfn t\u1ed1c \u0111\u1ed9. Ngo\u00e0i ra, <a href=\"\/insights\/\ubca0\ud2b8\ub0a8-\uc6cc\ub4dc\ud504\ub808\uc2a4-\ud638\uc2a4\ud305-\uc120\ud0dd\/\">H\u01b0\u1edbng D\u1eabn To\u00e0n T\u1eadp L\u1ef1a Ch\u1ecdn Hosting WordPress T\u1ea1i Vi\u1ec7t Nam<\/a> c\u0169ng s\u1ebd gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng hosting v\u1eefng ch\u1eafc \u2014 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 b\u1ec1n v\u1eefng.<\/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. \u0110i\u1ec3m PageSpeed Insights th\u1ea5p nh\u01b0ng website tr\u00f4ng v\u1eabn nhanh \u2014 n\u00ean hi\u1ec3u nh\u01b0 th\u1ebf n\u00e0o?<\/strong><br \/>\n\u0110i\u1ec3m s\u1ed1 PageSpeed Insights (thang 0\u2013100) d\u1ef1a tr\u00ean ki\u1ec3m tra t\u1ed5ng h\u1ee3p (synthetic test), n\u00ean \u0111\u00f4i khi kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang c\u1ea3m nh\u1eadn th\u1ef1c t\u1ebf. N\u1ebfu tab &#8220;Field Data (D\u1eef li\u1ec7u th\u1ef1c t\u1ebf)&#8221; hi\u1ec3n th\u1ecb LCP v\u00e0 CLS \u1edf tr\u1ea1ng th\u00e1i &#8220;T\u1ed1t (m\u00e0u xanh)&#8221;, th\u00ec v\u1ec1 m\u1eb7t SEO, b\u1ea1n kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng. Ng\u01b0\u1ee3c l\u1ea1i, d\u00f9 \u0111i\u1ec3m s\u1ed1 cao nh\u01b0ng Field Data c\u00f2n thi\u1ebfu ho\u1eb7c hi\u1ec3n th\u1ecb &#8220;C\u1ea7n c\u1ea3i thi\u1ec7n&#8221;, th\u00ec tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p.<\/p>\n<p><strong>Q2. N\u00ean ch\u1ecdn server n\u00e0o khi test \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c nh\u1ea5t cho website Vi\u1ec7t Nam?<\/strong><br \/>\nV\u1edbi c\u1ea3 GTmetrix l\u1eabn WebPageTest, ch\u1ecdn node <strong>Singapore<\/strong> l\u00e0 ph\u01b0\u01a1ng \u00e1n th\u1ef1c t\u1ebf nh\u1ea5t. Ping t\u1eeb TP.HCM \u0111\u1ebfn server Singapore trung b\u00ecnh ch\u1ec9 20\u201330ms, nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi server H\u00e0n Qu\u1ed1c (50\u201380ms). N\u1ebfu t\u1ec7p ng\u01b0\u1eddi d\u00f9ng c\u1ee7a b\u1ea1n ch\u1ee7 y\u1ebfu d\u00f9ng di \u0111\u1ed9ng, h\u00e3y c\u00e0i \u0111\u1eb7t Connection l\u00e0 4G LTE \u0111\u1ec3 test th\u00eam.<\/p>\n<p><strong>Q3. C\u00f3 c\u00e1ch n\u00e0o t\u1ed1t \u0111\u1ec3 theo d\u00f5i t\u1ed1c \u0111\u1ed9 website m\u1ed7i tu\u1ea7n kh\u00f4ng?<\/strong><br \/>\nB\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng Pingdom \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 h\u00e0ng tu\u1ea7n, ho\u1eb7c ki\u1ec3m tra b\u00e1o c\u00e1o &#8220;Core Web Vitals&#8221; trong Google Search Console m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n. T\u1ed1c \u0111\u1ed9 gi\u1ea3m \u0111\u1ed9t ng\u1ed9t th\u01b0\u1eddng do c\u1eadp nh\u1eadt plugin ho\u1eb7c upload \u1ea3nh dung l\u01b0\u1ee3ng l\u1edbn \u2014 v\u00ec v\u1eady, h\u00e3y \u0111o l\u1ea1i ngay sau m\u1ed7i l\u1ea7n thay \u0111\u1ed5i n\u1ed9i dung ho\u1eb7c c\u1ea5u h\u00ecnh website.<\/p>\n<p><strong>Q4. N\u1ebfu ch\u1ec9 ch\u1ecdn m\u1ed9t c\u00e1ch \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 WordPress nhanh nh\u1ea5t, \u0111\u00f3 l\u00e0 g\u00ec?<\/strong><br \/>\nT\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u1ebft h\u1ee3p chuy\u1ec3n \u0111\u1ed5i WebP v\u00e0 Lazy Load. S\u1eed d\u1ee5ng plugin ShortPixel \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i to\u00e0n b\u1ed9 \u1ea3nh hi\u1ec7n c\u00f3 sang WebP c\u00f3 th\u1ec3 gi\u1ea3m dung l\u01b0\u1ee3ng file trung b\u00ecnh t\u1eeb 30 \u0111\u1ebfn 50%, v\u00e0 LCP th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u1eeb 1 \u0111\u1ebfn 2 gi\u00e2y ngay l\u1eadp t\u1ee9c.<\/p>\n<p><strong>Q5. Ch\u1ee7 doanh nghi\u1ec7p kh\u00f4ng c\u00f3 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 t\u1ef1 x\u1eed l\u00fd v\u1ea5n \u0111\u1ec1 t\u1ed1c \u0111\u1ed9 \u0111\u1ebfn m\u1ee9c n\u00e0o?<\/strong><br \/>\nT\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, c\u00e0i \u0111\u1eb7t plugin cache v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a plugin kh\u00f4ng c\u1ea7n thi\u1ebft l\u00e0 nh\u1eefng vi\u1ec7c ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 l\u00e0m ch\u1ec9 b\u1eb1ng c\u00e1ch c\u00e0i plugin. Tuy nhi\u00ean, c\u00e1c thi\u1ebft l\u1eadp \u1edf c\u1ea5p m\u00e1y ch\u1ee7 (Gzip, HTTP\/2, n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n PHP), t\u1ed1i \u01b0u code theme v\u00e0 c\u1ea5u h\u00ecnh CDN n\u00e2ng cao n\u00ean \u0111\u1ec3 chuy\u00ean gia x\u1eed l\u00fd. Thi\u1ebft l\u1eadp sai c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i to\u00e0n b\u1ed9 website.<\/p>\n<hr>\n<h2 id=\"tong-ket-ket-luan-ve-o-toc-o-website\"><span class=\"ez-toc-section\" id=\"Tong_Ket_%E2%80%94_Ket_Luan_Ve_Do_Toc_Do_Website\"><\/span>T\u1ed5ng K\u1ebft \u2014 K\u1ebft Lu\u1eadn V\u1ec1 \u0110o T\u1ed1c \u0110\u1ed9 Website<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u0110o t\u1ed1c \u0111\u1ed9 website<\/strong> hi\u1ec7u qu\u1ea3 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ecdn m\u1ed9t c\u00f4ng c\u1ee5 duy nh\u1ea5t, m\u00e0 l\u00e0 <strong>k\u1ebft h\u1ee3p 5 c\u00f4ng c\u1ee5 \u0111\u00fang m\u1ee5c \u0111\u00edch<\/strong>. \u0110\u1ec3 \u0111\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng SEO, d\u00f9ng Field Data c\u1ee7a PageSpeed Insights; \u0111\u1ec3 ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n c\u1ee5 th\u1ec3, d\u00f9ng Waterfall c\u1ee7a GTmetrix; \u0111\u1ec3 m\u00f4 ph\u1ecfng m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf, d\u00f9ng WebPageTest v\u1edbi node Singapore EC2. \u0110i\u1ec3m s\u1ed1 ch\u1ec9 l\u00e0 tham chi\u1ebfu \u2014 \u0111i\u1ec1u th\u1ef1c s\u1ef1 quy\u1ebft \u0111\u1ecbnh th\u1ee9 h\u1ea1ng Google t\u1ea1i Vi\u1ec7t Nam l\u00e0 LCP v\u00e0 CLS ph\u1ea3i \u0111\u1ea1t ng\u01b0\u1ee1ng &#8220;T\u1ed1t (Good)&#8221; trong Field Data.<\/p>\n<hr>\n<p><strong>B\u1ea1n \u0111ang c\u1ea7n ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 website ngay b\u00e2y gi\u1edd?<\/strong><\/p>\n<p>WPdesign c\u00f3 v\u0103n ph\u00f2ng tr\u1ef1c ti\u1ebfp t\u1ea1i Ph\u00fa M\u1ef9 H\u01b0ng, TP.HCM v\u00e0 \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m v\u1eadn h\u00e0nh website cho c\u00e1c th\u01b0\u01a1ng hi\u1ec7u H\u00e0n Qu\u1ed1c nh\u01b0 Cuckoo, Coway, Lock&amp;Lock. Ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 WordPress t\u1ea1i Vi\u1ec7t Nam v\u1edbi d\u1ecbch v\u1ee5 t\u01b0 v\u1ea5n 1:1 b\u1eb1ng ti\u1ebfng H\u00e0n, gi\u00fap b\u1ea1n n\u1eafm b\u1eaft t\u00ecnh tr\u1ea1ng website nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<ul>\n<li>\ud83d\udcac <strong>T\u01b0 v\u1ea5n qua KakaoTalk<\/strong>: <a href=\"https:\/\/open.kakao.com\/o\/stiJeb0b\" target=\"_blank\" rel=\"noopener\">https:\/\/open.kakao.com\/o\/stiJeb0b<\/a><\/li>\n<li>\ud83d\udccb <strong>Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/strong>: <a href=\"https:\/\/wpdesign.vn\/vi\/lien-he\/\">https:\/\/wpdesign.vn\/contact\/<\/a><\/li>\n<\/ul>\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\/vi\/do-toc-do-website-5-cong-cu-thiet-yeu\/\">\uc0ac\uc774\ud2b8 \uc18d\ub3c4 \uc9c1\uc811 \uce21\uc815\ud558\ub294 \ubc95 \u2014 \ubca0\ud2b8\ub0a8 \uc0ac\uc5c5\uc790 \ud544\uc218 5\uac00\uc9c0 \ub3c4\uad6c \ucd1d\uc815\ub9ac<\/a><\/li>\n<li><a href=\"https:\/\/wpdesign.vn\/vi\/chon-hosting-wordpress-tai-viet-nam\/\">\ubca0\ud2b8\ub0a8 \ud638\uc2a4\ud305 \uc120\ud0dd \uac00\uc774\ub4dc \u2014 \uc0ac\uc7a5\ub2d8\uc774 \uc9c1\uc811 \uccb4\ud06c\ud558\ub294 5\uac00\uc9c0 \ud544\uc218 \ud3ec\uc778\ud2b8 \ucd1d\uc815\ub9ac<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u0110o t\u1ed1c \u0111\u1ed9 website b\u1eb1ng c\u00f4ng c\u1ee5 n\u00e0o cho \u0111\u00fang? H\u01b0\u1edbng d\u1eabn th\u1ef1c chi\u1ebfn v\u1edbi PageSpeed Insights, GTmetrix, WebPageTest \u0111\u00e3 ki\u1ec3m ch\u1ee9ng t\u1ea1i TP.HCM \u2014 \u0111\u1ecdc ngay \u0111\u1ec3 t\u1ed1i \u01b0u SE<\/p>\n","protected":false},"author":1,"featured_media":5766,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_focus_keyword":"\u0111o t\u1ed1c \u0111\u1ed9 website","rank_math_title":"\u0110o T\u1ed1c \u0110\u1ed9 Website \u2014 5 C\u00f4ng C\u1ee5 Thi\u1ebft Y\u1ebfu Cho Doanh Nghi\u1ec7p Vi\u1ec7t Nam","rank_math_description":"\u0110o t\u1ed1c \u0111\u1ed9 website b\u1eb1ng c\u00f4ng c\u1ee5 n\u00e0o cho \u0111\u00fang? H\u01b0\u1edbng d\u1eabn th\u1ef1c chi\u1ebfn v\u1edbi PageSpeed Insights, GTmetrix, WebPageTest \u0111\u00e3 ki\u1ec3m ch\u1ee9ng t\u1ea1i TP.HCM \u2014 \u0111\u1ecdc ngay \u0111\u1ec3 t\u1ed1i \u01b0u SEO Google.","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":[421],"tags":[467,468,469,470,448,471,472,473,451,452],"class_list":["post-5772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-corewebvitals","tag-do-toc-do-website","tag-gtmetrix","tag-pagespeedinsights","tag-tips","tag-toc-do-wordpress","tag-toi-uu-website","tag-website-viet-nam","tag-wordpress-tp-hcm","tag-wpdesign"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/5772","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=5772"}],"version-history":[{"count":1,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/5772\/revisions"}],"predecessor-version":[{"id":5803,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/5772\/revisions\/5803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/media\/5766"}],"wp:attachment":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/media?parent=5772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/categories?post=5772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/tags?post=5772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}