{"id":13292,"date":"2019-03-23T14:54:10","date_gmt":"2019-03-23T07:54:10","guid":{"rendered":"https:\/\/speed.family\/?p=13292"},"modified":"2019-03-23T14:54:10","modified_gmt":"2019-03-23T07:54:10","slug":"kiem-tra-toc-do-website-chuong-5","status":"publish","type":"post","link":"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/","title":{"rendered":"T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 website cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u (Ch\u01b0\u01a1ng 5)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/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\" role=\"button\"><label for=\"item-6577d6c76c874\" ><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><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d6c76c874\"  type=\"checkbox\" id=\"item-6577d6c76c874\"><\/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:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Chuong_5_Kiem_tra_toc_do_website_%E2%80%93_Xac_dinh_noi_gay_ra_van_de_that_co_chai_hieu_suat_performance_bottlenecks\" title=\"Ch\u01b0\u01a1ng 5: Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 website &#8211; X\u00e1c \u0111\u1ecbnh n\u01a1i g\u00e2y ra v\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t (performance bottlenecks)\">Ch\u01b0\u01a1ng 5: Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 website &#8211; X\u00e1c \u0111\u1ecbnh n\u01a1i g\u00e2y ra v\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t (performance bottlenecks)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Kiem_tra_cai_gi\" title=\"Ki\u1ec3m tra c\u00e1i g\u00ec?\">Ki\u1ec3m tra c\u00e1i 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:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Toc_do_tai_noi_dung_phan_dau_cua_trang\" title=\"T\u1ed1c \u0111\u1ed9 t\u1ea3i n\u1ed9i dung ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang\">T\u1ed1c \u0111\u1ed9 t\u1ea3i n\u1ed9i dung ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Thoi_gian_tai_toan_bo_trang\" title=\"Th\u1eddi gian t\u1ea3i to\u00e0n b\u1ed9 trang\">Th\u1eddi gian t\u1ea3i to\u00e0n b\u1ed9 trang<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Hieu_suat_theo_khu_vuc_dia_ly\" title=\"Hi\u1ec7u su\u1ea5t theo khu v\u1ef1c \u0111\u1ecba l\u00fd\">Hi\u1ec7u su\u1ea5t theo khu v\u1ef1c \u0111\u1ecba l\u00fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Dung_sai_tai\" title=\"Dung sai t\u1ea3i\">Dung sai t\u1ea3i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Kha_nang_tai_cua_CPU_may_chu_web\" title=\"Kh\u1ea3 n\u0103ng t\u1ea3i c\u1ee7a CPU m\u00e1y ch\u1ee7 web\">Kh\u1ea3 n\u0103ng t\u1ea3i c\u1ee7a CPU m\u00e1y ch\u1ee7 web<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Hieu_suat_co_so_du_lieu_trang_web\" title=\"Hi\u1ec7u su\u1ea5t c\u01a1 s\u1edf d\u1eef li\u1ec7u trang web\">Hi\u1ec7u su\u1ea5t c\u01a1 s\u1edf d\u1eef li\u1ec7u trang web<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Kiem_tra_the_nao\" title=\"Ki\u1ec3m tra th\u1ebf n\u00e0o\">Ki\u1ec3m tra th\u1ebf n\u00e0o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/#Cach_cac_cong_cu_nay_hoat_dong\" title=\"C\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y ho\u1ea1t \u0111\u1ed9ng\">C\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chuong_5_Kiem_tra_toc_do_website_%E2%80%93_Xac_dinh_noi_gay_ra_van_de_that_co_chai_hieu_suat_performance_bottlenecks\"><\/span>Ch\u01b0\u01a1ng 5: Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 website &#8211; X\u00e1c \u0111\u1ecbnh n\u01a1i g\u00e2y ra v\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t (performance bottlenecks)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp (website traffic) v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm (search engine ranking) c\u1ee7a website ph\u1ea7n nhi\u1ec1u l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 ph\u00f9 phi\u1ebfm cho hi\u1ec7u su\u1ea5t, t\u1ed1c \u0111\u1ed9 website. Quan tr\u1ecdng l\u00e0 ch\u00fang \u0111\u1ec1u kh\u00f4ng c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng ch\u1ec9 ra \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng trong kinh doanh tr\u1ef1c tuy\u1ebfn so v\u1edbi doanh s\u1ed1 b\u00e1n h\u00e0ng (sales figures) v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i (conversion rates). \u0110\u1eb7t v\u00e0o trong b\u1ed1i c\u1ea3nh nh\u01b0 v\u1eady, m\u1ed9t trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed v\u1edbi t\u1ef7 l\u1ec7 tho\u00e1t trang g\u1ea7n kh\u00f4ng ph\u1ea7n tr\u0103m, v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i l\u00e0 15%, \u0111\u1ed3ng th\u1eddi c\u00f3 10,000 unique visitor t\u1eeb c\u00e1c v\u1ecb tr\u00ed th\u1ea5p tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm s\u1ebd t\u1ed1t h\u01a1n r\u1ea5t nhi\u1ec1u trang c\u00f3 th\u1ee9 h\u1ea1ng cao c\u00f3 \u0111\u1ebfn 100,000 l\u01b0\u1ee3t xem unique nh\u01b0ng ch\u1ec9 c\u00f3 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i ch\u1ec9 l\u00e0 0,01 ph\u1ea7n tr\u0103m.<\/p>\n\n\n<p>Cu\u1ed9c tranh lu\u1eadn v\u1ec1 t\u1ed1i \u01b0u h\u00f3a t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 k\u00e9o d\u00e0i b\u1ea5t t\u1eadn, v\u00e0 tri\u1ec3n khai c\u00e1c th\u1ef1c h\u00e0nh kinh doanh t\u1ed1t nh\u1ea5t tr\u00ean c\u00e1c trang Frankensteinish(*) c\u00f3 th\u1ec3 t\u1ed1n h\u00e0ng t\u1ea5n ti\u1ec1n \u0111\u1ea7u t\u01b0 v\u1edbi n\u1ed7 l\u1ef1c th\u1ef1c hi\u1ec7n tr\u1ea3i d\u00e0i nhi\u1ec1u th\u00e1ng tr\u01b0\u1edbc khi c\u00f3 b\u1ea5t k\u1ef3 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. <\/p>\n\n\n<p><em>(*)Frankensteinish l\u00e0 con qu\u00e1i v\u1eadt trong ti\u1ec3u thuy\u1ebft c\u1ee7a Mary Shelley, \u00e1m ch\u1ec9 \u0111\u1ebfn vi\u1ec7c th\u1ee9 g\u00ec \u0111\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c ph\u1ea7n kh\u00e1c nhau v\u00e0 n\u00f3 v\u01b0\u1ee3t ra kh\u1ecfi t\u1ea7m ki\u1ec3m so\u00e1t c\u1ee7a ng\u01b0\u1eddi t\u1ea1o ra n\u00f3.<\/em><\/p>\n\n\n<p>V\u00e0 c\u00f3 nhi\u1ec1u \u0111i\u1ec1u \u0111\u1ec3 thuy\u1ebft ph\u1ee5c c\u00e1c c\u00f4ng d\u00e2n thi\u1ebfu ki\u00ean nh\u1eabn c\u1ee7a th\u1ebf gi\u1edbi m\u1ea1ng mua c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn h\u01a1n l\u00e0 th\u1ef1c hi\u1ec7n theo c\u00e1c chi\u1ebfn l\u01b0\u1ee3c kinh doanh th\u1ee5 \u0111\u1ed9ng \u0111\u1ec3 n\u00e2ng cao th\u1ecb tr\u01b0\u1eddng. C\u00e1c doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn t\u1eadp trung v\u00e0o c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u1ec1 m\u1eb7t hi\u1ec7u su\u1ea5t s\u1ebd ngay l\u1eadp t\u1ee9c nh\u1eadn th\u1ea5y k\u1ebft qu\u1ea3 l\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i v\u00e0 \u0111\u01a1n h\u00e0ng t\u0103ng ch\u00f3ng m\u1eb7t.<\/p>\n\n\n<p>C\u1ee5 th\u1ec3, t\u1ed1c \u0111\u1ed9 trang s\u1ebd l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng trong vi\u1ec7c n\u00e2ng cao kh\u1ea3 n\u0103ng ti\u1ebfp th\u1ecb b\u1eb1ng c\u00e1ch c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng trang web \u0111\u1ec3 gi\u1eef cho kh\u00e1ch h\u00e0ng tr\u1ef1c tuy\u1ebfn thi\u1ebfu ki\u00ean nh\u1eabn tham gia t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u1ea3m th\u1ea5y h\u00e0i l\u00f2ng. M\u1ed9t nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n b\u1edfi O&#8217;Reilly k\u1ebft lu\u1eadn r\u1eb1ng vi\u1ec7c c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i b\u1eb1ng c\u00e1ch gi\u1ea3m th\u1eddi gian t\u1ea3i trang s\u1ebd l\u00e0m t\u0103ng doanh s\u1ed1 v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3. M\u1ed9t s\u1ed1 th\u1ed1ng k\u00ea \u0111\u00e1ng kinh ng\u1ea1c:<\/p>\n\n\n<ul><li>3% trong t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed7i gi\u00e2y trong t\u1ed1c \u0111\u1ed9 t\u1ea3i trang \u0111\u01b0\u1ee3c gi\u1ea3m tr\u1eeb trong kho\u1ea3ng t\u1eeb <strong>15 gi\u00e2y xu\u1ed1ng c\u00f2n 7 gi\u00e2y<\/strong>.<\/li><li>2% trong t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u01b0\u01a1ng \u1ee9ng m\u1ed7i gi\u00e2y trong t\u1ed1c \u0111\u1ed9 t\u1ea3i trang \u0111\u01b0\u1ee3c gi\u1ea3m tr\u1eeb trong kho\u1ea3ng t\u1eeb <strong>7 gi\u00e2y xu\u1ed1ng 5 gi\u00e2y<\/strong>.<\/li><li>1% trong t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u01b0\u01a1ng \u1ee9ng m\u1ed7i gi\u00e2y trong t\u1ed1c \u0111\u1ed9 t\u1ea3i trang \u0111\u01b0\u1ee3c gi\u1ea3m tr\u1eeb trong kho\u1ea3ng t\u1eeb <strong>4 gi\u00e2y xu\u1ed1ng 2 gi\u00e2y<\/strong>.<\/li><\/ul>\n\n\n<p>Nh\u1eefng th\u1ed1ng k\u00ea tr\u00ean ch\u1ec9 m\u00f4 t\u1ea3 c\u00e1ch t\u1ed1c \u0111\u1ed9 trang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u00e0nh c\u00f4ng c\u1ee7a doanh nghi\u1ec7p trong kh\u00f4ng gian m\u1ea1ng c\u1ea1nh tranh. M\u1ecdi s\u1ef1 th\u00ec ph\u1ee9c t\u1ea1p h\u01a1n nh\u01b0 th\u1ebf, c\u1eaft b\u1ecf th\u1eddi gian t\u1ea3i t\u1eeb c\u00e1c trang web ch\u1eadm ch\u1ea1p l\u00e0 kh\u00f4ng qu\u00e1 kh\u00f3 kh\u0103n N\u1ebeU c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u00fang h\u01b0\u1edbng &#8211; nh\u01b0ng \u0111\u00e2y l\u00e0 c\u00e1i s\u1ebd ch\u1eb3ng \u0111\u01a1n gi\u1ea3n N\u1ebeU v\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng, n\u00f3 c\u00f3 th\u1ec3 qu\u00e1 ph\u1ee9c t\u1ea1p ho\u1eb7c qu\u00e1 r\u1ed9ng l\u1edbn v\u00e0 \u0111a d\u1ea1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<\/p>\n\n\n<p>H\u01b0\u1edbng \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 front-end quan tr\u1ecdng nh\u1ea5t d\u01b0\u1edbi quy tr\u00ecnh ki\u1ec3m tra hi\u1ec7u su\u1ea5t ti\u00eau chu\u1ea9n. K\u1ef9 s\u01b0 tr\u01b0\u1edfng Steve Souders c\u1ee7a Google n\u00f3i v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y nh\u01b0 sau, &#8220;80 &#8211; 90% th\u1eddi gian \u0111\u00e1p \u1ee9ng cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean front-end. B\u1ea1n c\u1ea7n b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2y&#8221;<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_cai_gi\"><\/span>Ki\u1ec3m tra c\u00e1i g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Tr\u01b0\u1edbc khi kh\u00e1m ph\u00e1 l\u1ed7 h\u1ed5ng trong t\u1ed1c \u0111\u1ed9 trang b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u, hi\u1ec3u r\u00f5 c\u00e1c h\u00e0nh vi t\u00e1c \u0111\u1ed9ng m\u1ea1nh nh\u1ea5t \u0111\u1ebfn ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee7a website gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nh\u1eefng v\u1ea5n \u0111\u1ec1 trong hi\u1ec7u su\u1ea5t website.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toc_do_tai_noi_dung_phan_dau_cua_trang\"><\/span>T\u1ed1c \u0111\u1ed9 t\u1ea3i n\u1ed9i dung ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, kh\u00e1ch truy c\u1eadp ch\u1ec9 t\u00ecm ki\u1ebfm th\u00f4ng tin ch\u00ednh d\u01b0\u1edbi d\u1ea1ng n\u1ed9i dung ho\u1eb7c th\u00f4ng tin s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1edfi trang Web. Th\u00eam nhi\u1ec1u t\u00ednh n\u0103ng \u0111\u1ed3 h\u1ecda v\u00e0 ch\u1ee9c n\u0103ng website, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn th\u1eddi gian k\u1ebft xu\u1ea5t trang t\u0103ng v\u01b0\u1ee3t qu\u00e1 th\u00f4ng th\u01b0\u1eddng. <\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"387\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/03\/toc-do-tai-trang-ban-dau.png\" alt=\"\" class=\"wp-image-13298\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/03\/toc-do-tai-trang-ban-dau.png 600w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/03\/toc-do-tai-trang-ban-dau-300x194.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>&#8211; T\u1ed1c \u0111\u1ed9 t\u1ea3i trang ban \u0111\u1ea7u<\/figcaption><\/figure><\/div>\n\n\n<p>Gi\u1eef t\u1ed1c \u0111\u1ed9 t\u1ea3i n\u1ed9i dung thu\u1ed9c ph\u1ea7n \u0111\u1ea7u (initial page \/ n\u1ed9i dung thu\u1ed9c m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean) t\u1ed1t gi\u1eef ng\u01b0\u1eddi xem t\u01b0\u01a1ng t\u00e1c, tham gia, th\u1eadm ch\u00ed khi to\u00e0n b\u1ed9 n\u1ed9i dung website c\u00f3 ch\u1ee9a \u0111\u1ed3 h\u1ecda c\u1ed3ng k\u1ec1nh m\u1ea5t nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 render to\u00e0n b\u1ed9. Ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 t\u1ea3i ph\u1ea7n \u0111\u1ea7u b\u1eb1ng c\u00e1ch theo d\u00f5i c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 <a href=\"https:\/\/kiencang.net\/ttfb-la-gi\/\">TTFB<\/a> ho\u1eb7c th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u ping t\u1eeb m\u00e1y ch\u1ee7 web m\u00f4 t\u1ea3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c th\u1ed1ng k\u00ea v\u1ec1 th\u1eddi gian t\u1ea3i trang ph\u1ea7n \u0111\u1ea7u v\u00e0 t\u1ed1c \u0111\u1ed9 trang. N\u1ebfu nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y y\u00eau c\u1ea7u qu\u00e1 nhi\u1ec1u th\u1eddi gian, b\u1ea1n c\u1ea7n l\u00e0m vi\u1ec7c v\u1edbi ph\u1ea7n back-end \u1edf ph\u00eda m\u00e1y ch\u1ee7 (server-side) v\u00e0 t\u1ed1i \u01b0u h\u00f3a l\u00f5i c\u1ee7a website.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thoi_gian_tai_toan_bo_trang\"><\/span>Th\u1eddi gian t\u1ea3i to\u00e0n b\u1ed9 trang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Theo d\u00f5i th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 render (xu\u1ea5t) to\u00e0n b\u1ed9 n\u1ed9i dung trang theo y\u00eau c\u1ea7u tr\u00ecnh duy\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu khi ki\u1ec3m tra tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. Th\u00f4ng tin n\u00e0y \u0111i\u1ec1u ch\u1ec9nh c\u00e1c quy\u1ebft \u0111\u1ecbnh IT chi\u1ebfn l\u01b0\u1ee3c trong vi\u1ec7c tri\u1ec3n khai v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t website.<\/p>\n\n\n<p>Th\u01b0\u1eddng xuy\u00ean theo d\u00f5i ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t n\u00e0y cho ph\u00e9p ch\u1ee7 website ph\u00e1t hi\u1ec7n c\u00e1ch hi\u1ec7u su\u1ea5t trang web ho\u1ea1t \u0111\u1ed9ng khi quy m\u00f4 v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 lo\u1ea1i n\u1ed9i dung t\u0103ng l\u00ean. V\u1edbi th\u00f4ng tin n\u00e0y ch\u1ee7 trang web c\u00f3 th\u1ec3 cache n\u1ed9i dung t\u0129nh \u1edf c\u00e1c \u0111\u1ecba \u0111i\u1ec3m ri\u00eang bi\u1ec7t ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\">\u00e1p d\u1ee5ng CDN<\/a>, trong khi v\u1eabn duy tr\u00ec m\u00e1y ch\u1ee7 back-end \u0111\u1ec3 ph\u00e2n ph\u1ed1i n\u1ed9i dung \u0111\u1ed9ng.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hieu_suat_theo_khu_vuc_dia_ly\"><\/span>Hi\u1ec7u su\u1ea5t theo khu v\u1ef1c \u0111\u1ecba l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>M\u1ed9t trong nh\u1eefng \u0111\u1eb7c quy\u1ec1n\/l\u1ee3i th\u1ebf c\u1ee7a vi\u1ec7c v\u1eadn h\u00e0nh m\u1ed9t doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn l\u00e0 vi\u1ec7c m\u1edf r\u1ed9ng kh\u00f4ng gi\u1edbi h\u1ea1n vi\u1ec7c ti\u1ebfp c\u1eadn th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u. Nh\u01b0ng vi\u1ec7c ti\u1ebfp c\u1eadn n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng hi\u1ec7u qu\u1ea3 ngang nhau &#8211; v\u00e0 t\u00ednh hi\u1ec7u qu\u1ea3 &#8211; tr\u00ean kh\u1eafp to\u00e0n c\u1ea7u l\u00e0 do c\u00e1c y\u1ebfu t\u1ed1 h\u1ea1n ch\u1ebf giao ti\u1ebfp gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. C\u00e1c h\u1ea1n ch\u1ebf c\u00f4ng ngh\u1ec7, b\u0103ng th\u00f4ng, ch\u00ednh s\u00e1ch c\u1ee7a t\u1eebng qu\u1ed1c gia ng\u0103n ch\u1eb7n vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t website tr\u00ean to\u00e0n c\u1ea7u, v\u00ec th\u1ebf t\u1ed1c \u0111\u1ed9 website v\u00e0 c\u00e1c ki\u1ec3m tra v\u1ec1 kh\u1ea3 n\u0103ng cung c\u1ea5p ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 hi\u1ec7u su\u1ea5t website tr\u00ean to\u00e0n c\u1ea7u \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn kinh doanh to\u00e0n c\u1ea7u.<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"610\" height=\"486\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/03\/hieu-suat-khu-vuc-dia-ly.png\" alt=\"\" class=\"wp-image-13299\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/03\/hieu-suat-khu-vuc-dia-ly.png 610w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/03\/hieu-suat-khu-vuc-dia-ly-300x239.png 300w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><figcaption>&#8211; Hi\u1ec7u su\u1ea5t theo khu v\u1ef1c \u0111\u1ecba l\u00fd<\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dung_sai_tai\"><\/span>Dung sai t\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Hi\u1ec7u su\u1ea5t trang web thay \u0111\u1ed5i theo s\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp website. M\u00e1y ch\u1ee7 web x\u1eed l\u00fd t\u1ea3i trang m\u1ed9t c\u00e1ch b\u00ecnh th\u01b0\u1eddng \u1edf hi\u1ec7u su\u1ea5t cao nh\u1ea5t c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 nh\u01b0 th\u1ebf khi ph\u1ea3i ch\u1ecbu t\u1ea3i cao. Th\u1ef1c hi\u1ec7n ki\u1ec3m tra stress test, ramp test, load test v\u00e0 c\u00e1c ki\u1ec3m tra hi\u1ec7u su\u1ea5t kh\u00e1c tr\u00ean website t\u1ea1o ra m\u1ed9t b\u1ee9c tranh ch\u00ednh x\u00e1c v\u1ec1 c\u00e1ch l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp website c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc khi v\u1ea5n \u0111\u1ec1 n\u00e0y th\u1ef1c s\u1ef1 x\u1ea3y ra. So s\u00e1nh c\u00e1c k\u1ebft qu\u1ea3 v\u1edbi c\u00e1c m\u1eabu th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean website \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u website c\u00f3 c\u1ea7n n\u00e2ng c\u1ea5p ph\u1ea7n c\u1ee9ng \u0111\u1ec3 x\u1eed l\u00fd t\u1ea3i v\u00e0o th\u1eddi gian cao \u0111i\u1ec3m m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kha_nang_tai_cua_CPU_may_chu_web\"><\/span>Kh\u1ea3 n\u0103ng t\u1ea3i c\u1ee7a CPU m\u00e1y ch\u1ee7 web<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>C\u00e1c g\u00f3i share host ch\u1ea1y h\u00e0ng ng\u00e0n trang web tr\u00ean m\u00e1y ch\u1ee7 duy nh\u1ea5t Apache kh\u00f4ng th\u1ec3 \u0111em \u0111\u1ebfn trang c\u00f3 hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c th\u1eadm ch\u00ed l\u00e0 khi website \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t v\u1edbi m\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 v\u00e0 g\u1ecdn g\u00e0ng. V\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t t\u0103ng th\u00eam trong th\u1eddi gian cao \u0111i\u1ec3m (peak load time) khi m\u00e0 s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n c\u1ee7a m\u00e1y ch\u1ee7 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 x\u1eed l\u00fd y\u00eau c\u1ea7u t\u1ea3i trang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Theo d\u00f5i kh\u1ea3 n\u0103ng t\u1ea3i c\u1ee7a CPU m\u00e1y ch\u1ee7 cho ph\u00e9p c\u00e1c c\u00f4ng ty hosting v\u00e0 nh\u00e2n vi\u00ean IT ch\u1ea1y c\u00e1c trang web \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng ph\u1ea7n c\u1ee9ng c\u1ee7a back-end trong vi\u1ec7c x\u1eed l\u00fd t\u00ecnh tr\u1ea1ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp web kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc. <\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hieu_suat_co_so_du_lieu_trang_web\"><\/span>Hi\u1ec7u su\u1ea5t c\u01a1 s\u1edf d\u1eef li\u1ec7u trang web<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><a href=\"https:\/\/kiencang.net\/toi-uu-database-wordpress-toan-dien\/\">Hi\u1ec7u su\u1ea5t c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/a> l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 website duy tr\u00ec vi\u1ec7c n\u1ed9i dung \u0111\u1ed9ng \u0111\u01b0\u1ee3c k\u00e9o t\u1eeb c\u01a1 s\u1edf d\u1eef li\u1ec7u back-end. C\u1ea7n c\u00f3 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 c\u1ea3nh b\u00e1o s\u1ef1 kh\u00f4ng ch\u00ednh x\u00e1c trong truy\u1ec1n d\u1eef li\u1ec7u. \u0110\u1ec3 m\u1eaft \u0111\u1ebfn kh\u00f4ng gian l\u01b0u tr\u1eef c\u00f2n tr\u1ed1ng tr\u00ean m\u00e1y ch\u1ee7 hosting gi\u00fap tr\u00e1nh l\u1ed7i v\u00e0 m\u1ea5t d\u1eef li\u1ec7u d\u1eabn \u0111\u1ebfn <a href=\"https:\/\/kiencang.net\/tim-lien-ket-gay-tren-trang-web\/\">c\u00e1c li\u00ean k\u1ebft g\u00e3y<\/a> v\u00e0 k\u1ebft c\u1ee5c l\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t website.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_the_nao\"><\/span>Ki\u1ec3m tra th\u1ebf n\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Ch\u1ee7 website c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng h\u00e0ng lo\u1ea1t c\u00e1c d\u1ecbch v\u1ee5 ki\u1ec3m tra hi\u1ec7u su\u1ea5t, t\u1ed1c \u0111\u1ed9 website c\u1ea3 mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed \u0111\u1ec3 ph\u00e2n t\u00edch trang v\u00e0 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y thi\u1ebfu s\u00f3t \u0111ang c\u1ea3n tr\u1edf t\u1ed1c \u0111\u1ed9 trang.<\/p>\n\n\n<p>C\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi nh\u1eefng ng\u01b0\u1eddi kh\u1ed5ng l\u1ed3 trong l\u0129nh v\u1ef1c t\u00ecm ki\u1ebfm nh\u01b0 Google (<a href=\"https:\/\/kiencang.net\/tang-toc-web-pagespeed-insights\/\">pagespeed insights<\/a>) v\u00e0 Yahoo, c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean bi\u1ec7t mi\u1ec5n ph\u00ed nh\u01b0 <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-pingdom\/\">Pingdom<\/a> v\u00e0 GTMetrix mang l\u1ea1i nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t website, v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft qu\u1ea3 \u0111i\u1ec3m s\u1ed1 v\u00e0 g\u1ee3i \u00fd \u0111\u1ec3 gi\u00e1o d\u1ee5c nh\u1eefng ch\u1ee7 trang web kh\u00f4ng c\u00f3 hi\u1ec3u bi\u1ebft nhi\u1ec1u v\u1ec1 c\u00f4ng ngh\u1ec7. B\u1ea1n h\u00e3y \u0111\u1ecdc k\u1ef9 c\u00e1c h\u01b0\u1edbng d\u1eabn s\u00e2u b\u00ean d\u01b0\u1edbi \u0111\u1ec3 b\u1eaft \u0111\u1ea7u nh\u00e9.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_cac_cong_cu_nay_hoat_dong\"><\/span>C\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y ho\u1ea1t \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t nh\u00f3m c\u00e1c tr\u00ecnh duy\u1ec7t \u0111\u1ec3 t\u1ea3i trang web v\u00e0 nh\u00e2n r\u1ed9ng tr\u1ea3i nghi\u1ec7m website c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i th\u00f4ng qua c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau. V\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c theo d\u00f5i th\u00f4ng qua nhi\u1ec1u y\u1ebfu t\u1ed1 tr\u00ean website bao g\u1ed3m k\u00edch c\u1ee1 file, th\u1eddi gian t\u1ea3i, th\u1eddi gian \u0111\u00e1p \u1ee9ng, v\u00e0 c\u00e1c y\u00eau c\u1ea7u li\u00ean quan \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a website (ch\u1eb3ng h\u1ea1n nh\u01b0 JavaScript, CSS, HTML, \u1ea3nh, v\u00e2n v\u00e2n).<\/p>\n\n\n<p>C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y t\u1ea1o ra <a href=\"https:\/\/kiencang.net\/chi-so-hieu-suat-nguoi-dung\/\">\u0111i\u1ec3m s\u1ed1 hi\u1ec7u su\u1ea5t d\u1ef1a tr\u00ean m\u1ed9t b\u1ed9 quy t\u1eafc \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n trong b\u1ed1i c\u1ea3nh nh\u1ea5n m\u1ea1nh \u0111\u1ebfn hi\u1ec7u su\u1ea5t trang web v\u00e0 \u01b0u ti\u00ean cho ng\u01b0\u1eddi d\u00f9ng<\/a>. C\u00e1c nguy\u00ean t\u00e1c bao g\u1ed3m caching t\u00e0i nguy\u00ean, th\u1eddi gian kh\u1ee9 h\u1ed3i c\u1ee7a m\u00e1y kh\u00e1ch-m\u00e1y ch\u1ee7, size d\u1eef li\u1ec7u t\u1ea3i xu\u1ed1ng v\u00e0 t\u1ea3i l\u00ean, v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c quy t\u1eafc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u1ec1 ph\u01b0\u01a1ng di\u1ec7n t\u1ed1c \u0111\u1ed9 trang.<\/p>\n\n\n<p>C\u00e1c khuy\u1ebfn ngh\u1ecb \u0111\u01b0\u1ee3c t\u1ea1o ra trong ph\u1ea7n d\u1ef1 \u0111o\u00e1n c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 trang &#8211; c\u00e1i s\u1ebd x\u1ea3y ra khi th\u1ef1c hi\u1ec7n c\u00e1c quy t\u1eafc t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u1ed9t c\u00e1ch ph\u00f9 h\u1ee3p. L\u1ea5y v\u00ed d\u1ee5, n\u1ebfu m\u1ed9t \u1ea3nh k\u00edch c\u1ee1 l\u1edbn ph\u00e2n ph\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c n\u00e9n, c\u00e1c c\u00f4ng c\u1ee5 theo d\u00f5i s\u1ebd khuy\u1ebfn ngh\u1ecb th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\">n\u00e9n \u1ea3nh c\u1ed3ng k\u1ec1nh<\/a>. Nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady kh\u00f4ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd do l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 thi\u1ebfu hi\u1ec3u bi\u1ebft, m\u00e0 c\u1ea3 hai th\u00ec \u0111\u1ec1u kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n.  <\/p>\n\n\n<p>\u0110\u1ed3ng th\u1eddi, c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t t\u1ed1c \u0111\u1ed9 trang \u00edt nh\u1ea5t s\u1ebd trao quy\u1ec1n cho ch\u1ee7 s\u1edf h\u1eefu trang web x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc th\u00edch h\u1ee3p trong vi\u1ec7c x\u00f3a b\u1ecf c\u00e1c n\u00fat th\u1eaft hi\u1ec7u su\u1ea5t trang web kh\u00f4ng d\u1ec5 th\u1ea5y. <\/p>\n\n\n<p><em>(H\u1ebft ch\u01b0\u01a1ng 5 \u2013 Theo A Beginner\u2019s Guide to Website Speed Optimization c\u1ee7a Kinsta. V\u1ec1 Kinsta, \u0111\u00e2y l\u00e0 c\u00f4ng ty cung c\u1ea5p d\u1ecbch v\u1ee5 hosting cao c\u1ea5p d\u00e0nh cho WordPress, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho t\u1ed1c \u0111\u1ed9)<\/em><\/p>\n\n\n<p>Xem th\u00eam c\u00e1c ch\u01b0\u01a1ng kh\u00e1c:<\/p>\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/toi-uu-hoa-toc-do-web-tong-quan-chuong-1\/\">Ch\u01b0\u01a1ng 1: Gi\u1edbi thi\u1ec7u v\u1ec1 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 trang web<\/a><\/li><li><a href=\"https:\/\/kiencang.net\/toi-uu-hoa-toc-do-web-tong-quan-chuong-2\/\">Ch\u01b0\u01a1ng 2: Hi\u1ec7u su\u1ea5t c\u1ee7a trang web \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u00e0nh c\u00f4ng trong kinh doanh nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li><a href=\"https:\/\/kiencang.net\/lam-the-nao-de-cai-thien-toc-do-website-chuong-6\/\">Ch\u01b0\u01a1ng 6: L\u00e0m th\u1ebf n\u00e0o c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 website<\/a><\/li><\/ul>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u01b0\u01a1ng 5: Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 website &#8211; X\u00e1c \u0111\u1ecbnh n\u01a1i g\u00e2y ra v\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t (performance bottlenecks) L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp (website traffic) v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm (search engine ranking) c\u1ee7a website ph\u1ea7n nhi\u1ec1u l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 ph\u00f9 phi\u1ebfm cho hi\u1ec7u su\u1ea5t, t\u1ed1c \u0111\u1ed9 website. Quan &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[293],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 website cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u (Ch\u01b0\u01a1ng 5) &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/kiem-tra-toc-do-website-chuong-5\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 website cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u (Ch\u01b0\u01a1ng 5) &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"Ch\u01b0\u01a1ng 5: Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 website &#8211; X\u00e1c \u0111\u1ecbnh n\u01a1i g\u00e2y ra v\u1ea5n \u0111\u1ec1 th\u1eaft c\u1ed5 chai hi\u1ec7u su\u1ea5t (performance bottlenecks) L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp (website traffic) v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm (search engine ranking) c\u1ee7a website ph\u1ea7n nhi\u1ec1u l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 ph\u00f9 phi\u1ebfm cho hi\u1ec7u su\u1ea5t, t\u1ed1c \u0111\u1ed9 website. 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