{"id":11987,"date":"2019-02-25T15:59:52","date_gmt":"2019-02-25T15:59:52","guid":{"rendered":"https:\/\/kiencang.net\/?p=11987"},"modified":"2019-02-25T15:59:52","modified_gmt":"2019-02-25T15:59:52","slug":"gioi-thieu-ve-http","status":"publish","type":"post","link":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/","title":{"rendered":"HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web"},"content":{"rendered":"\n<p><strong>HTTP l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<ul><li>HTTP l\u00e0 c\u00e1ch tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web giao ti\u1ebfp v\u1edbi nhau;<\/li><li>Trang web l\u00e0 c\u00e1c file \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong tr\u00ecnh duy\u1ec7t \u0111\u01b0\u1ee3c g\u1eedi b\u1edfi m\u00e1y ch\u1ee7 web;<\/li><li>C\u00e1ch th\u1ee9c m\u00e0 nh\u1eefng file \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t g\u1ecdi l\u00e0 HTTP;<\/li><li>HTTP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb &#8220;Hypertext Transfer Protocol \/ Giao th\u1ee9c Truy\u1ec1n t\u1ea3i Si\u00eau v\u0103n b\u1ea3n&#8221;;<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\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-6577d63e42380\" ><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-6577d63e42380\"  type=\"checkbox\" id=\"item-6577d63e42380\"><\/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\/gioi-thieu-ve-http\/#Chan_chan_la_ban_dang_doc_bai_viet_nay_trong_mot_trinh_duyet_nao_day%E2%80%A6\" title=\"Ch\u1eafn ch\u1eafn l\u00e0 b\u1ea1n \u0111ang \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y trong m\u1ed9t tr\u00ecnh duy\u1ec7t n\u00e0o \u0111\u1ea5y&#8230;\">Ch\u1eafn ch\u1eafn l\u00e0 b\u1ea1n \u0111ang \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y trong m\u1ed9t tr\u00ecnh duy\u1ec7t n\u00e0o \u0111\u1ea5y&#8230;<\/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\/gioi-thieu-ve-http\/#Trinh_duyet_nhan_trang_web_tu_may_chu\" title=\"Tr\u00ecnh duy\u1ec7t nh\u1eadn trang web t\u1eeb m\u00e1y ch\u1ee7\">Tr\u00ecnh duy\u1ec7t nh\u1eadn trang web t\u1eeb m\u00e1y ch\u1ee7<\/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\/gioi-thieu-ve-http\/#Trang_web_la_tap_hop_cac_file\" title=\"Trang web l\u00e0 t\u1eadp h\u1ee3p c\u00e1c file\">Trang web l\u00e0 t\u1eadp h\u1ee3p c\u00e1c file<\/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\/gioi-thieu-ve-http\/#Cac_file_gui_toi_trinh_duyet_su_dung_giao_thuc_HTTP\" title=\"C\u00e1c file g\u1eedi t\u1edbi tr\u00ecnh duy\u1ec7t s\u1eed d\u1ee5ng giao th\u1ee9c HTTP\">C\u00e1c file g\u1eedi t\u1edbi tr\u00ecnh duy\u1ec7t s\u1eed d\u1ee5ng giao th\u1ee9c HTTP<\/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\/gioi-thieu-ve-http\/#HTTP_la_cach_cac_file_duoc_chuyen_qua_interner\" title=\"HTTP l\u00e0 c\u00e1ch c\u00e1c file \u0111\u01b0\u1ee3c chuy\u1ec3n qua interner\">HTTP l\u00e0 c\u00e1ch c\u00e1c file \u0111\u01b0\u1ee3c chuy\u1ec3n qua interner<\/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\/gioi-thieu-ve-http\/#Day_la_qua_trinh_xu_ly_phan_hoidap_ung_cua_HTTP\" title=\"\u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ph\u1ea3n h\u1ed3i\/\u0111\u00e1p \u1ee9ng c\u1ee7a HTTP\">\u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ph\u1ea3n h\u1ed3i\/\u0111\u00e1p \u1ee9ng c\u1ee7a HTTP<\/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\/gioi-thieu-ve-http\/#Cac_yeu_cau_HTTP\" title=\"C\u00e1c y\u00eau c\u1ea7u HTTP\">C\u00e1c y\u00eau c\u1ea7u HTTP<\/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\/gioi-thieu-ve-http\/#Vi_du_ve_yeu_cau_HTTP\" title=\"V\u00ed d\u1ee5 v\u1ec1 y\u00eau c\u1ea7u HTTP\">V\u00ed d\u1ee5 v\u1ec1 y\u00eau c\u1ea7u HTTP<\/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\/gioi-thieu-ve-http\/#Cac_dap_ung_HTTP\" title=\"C\u00e1c \u0111\u00e1p \u1ee9ng HTTP\">C\u00e1c \u0111\u00e1p \u1ee9ng HTTP<\/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\/gioi-thieu-ve-http\/#Vi_du_ve_phan_hoi_HTTP\" title=\"V\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n h\u1ed3i HTTP\">V\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n h\u1ed3i HTTP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kiencang.net\/gioi-thieu-ve-http\/#Gioi_thieu_tong_quan_ve_HTTP\" title=\"Gi\u1edbi thi\u1ec7u t\u1ed5ng quan v\u1ec1 HTTP\">Gi\u1edbi thi\u1ec7u t\u1ed5ng quan v\u1ec1 HTTP<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chan_chan_la_ban_dang_doc_bai_viet_nay_trong_mot_trinh_duyet_nao_day%E2%80%A6\"><\/span>Ch\u1eafn ch\u1eafn l\u00e0 b\u1ea1n \u0111ang \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y trong m\u1ed9t tr\u00ecnh duy\u1ec7t n\u00e0o \u0111\u1ea5y&#8230;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/gioi-thieu-http-1024x538.png\" alt=\"\" class=\"wp-image-12095\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/gioi-thieu-http-1024x538.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/gioi-thieu-http-300x158.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/gioi-thieu-http-768x403.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/gioi-thieu-http.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<ul><li>Browser: Tr\u00ecnh duy\u1ec7t;<\/li><li>You: B\u1ea1n;<\/li><li>Web page: Ch\u00ednh l\u00e0 trang web n\u00e0y;<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trinh_duyet_nhan_trang_web_tu_may_chu\"><\/span>Tr\u00ecnh duy\u1ec7t nh\u1eadn trang web t\u1eeb m\u00e1y ch\u1ee7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/http-may-chu-toi-trinh-duyet-1024x538.png\" alt=\"\" class=\"wp-image-12096\"\/><\/figure><\/div>\n\n\n\n<p>Server: M\u00e1y ch\u1ee7 web<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trang_web_la_tap_hop_cac_file\"><\/span>Trang web l\u00e0 t\u1eadp h\u1ee3p c\u00e1c file<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/http-webpage-1024x538.png\" alt=\"\" class=\"wp-image-12098\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/http-webpage-1024x538.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/http-webpage-300x158.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/http-webpage-768x403.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/http-webpage.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<ul><li>CSS file: t\u1ec7p CSS;<\/li><li>HTML file: t\u1ec7p HTML;<\/li><li>Image file: t\u1ec7p h\u00ecnh \u1ea3nh;<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_file_gui_toi_trinh_duyet_su_dung_giao_thuc_HTTP\"><\/span>C\u00e1c file g\u1eedi t\u1edbi tr\u00ecnh duy\u1ec7t s\u1eed d\u1ee5ng giao th\u1ee9c HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/giao-thuc-http-1024x538.png\" alt=\"\" class=\"wp-image-12099\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/giao-thuc-http-1024x538.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/giao-thuc-http-300x158.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/giao-thuc-http-768x403.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/giao-thuc-http.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HTTP_la_cach_cac_file_duoc_chuyen_qua_interner\"><\/span>HTTP l\u00e0 c\u00e1ch c\u00e1c file \u0111\u01b0\u1ee3c chuy\u1ec3n qua interner<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 l\u01b0u chuy\u1ec3n d\u1eef li\u1ec7u, tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng giao ti\u1ebfp v\u1edbi nhau. HTTP x\u00e1c \u0111\u1ecbnh c\u00e1ch th\u1ee9c giao ti\u1ebfp \u1ea5y di\u1ec5n ra.<\/p>\n\n\n\n<p>M\u1ed9t khi b\u1ea1n nh\u1eadp v\u00e0o tr\u00ecnh duy\u1ec7t \u0111\u1ecba ch\u1ec9 trang web (url) ho\u1eb7c click v\u00e0o m\u1ed9t link n\u00e0o \u0111\u00f3, th\u00ec qu\u00e1 tr\u00ecnh x\u1eed l\u00fd HTTP b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n<p>Khi url \u0111\u01b0\u1ee3c g\u1ecdi trong y\u00eau c\u1ea7u trang web, th\u00f4ng th\u01b0\u1eddng \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec ban \u0111\u1ea7u s\u1ebd x\u1ea3y ra&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"473\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/yeu-cau-dap-ung-http.png\" alt=\"\" class=\"wp-image-12100\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/yeu-cau-dap-ung-http.png 900w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/yeu-cau-dap-ung-http-300x158.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/yeu-cau-dap-ung-http-768x404.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<ul><li>Tr\u00ecnh duy\u1ec7t y\u00eau c\u1ea7u file HTML \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed c\u1ee5 th\u1ec3 (th\u00f4ng qua url) tr\u00ean m\u00e1y ch\u1ee7<\/li><li>M\u00e1y ch\u1ee7 sau \u0111\u00f3 \u0111\u00e1p \u1ee9ng b\u1eb1ng c\u00e1ch cung c\u1ea5p file HTML cho tr\u00ecnh duy\u1ec7t<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Day_la_qua_trinh_xu_ly_phan_hoidap_ung_cua_HTTP\"><\/span>\u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ph\u1ea3n h\u1ed3i\/\u0111\u00e1p \u1ee9ng c\u1ee7a HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tr\u00ecnh duy\u1ec7t g\u1eedi c\u00e1c y\u00eau c\u1ea7u v\u00e0 m\u00e1y ch\u1ee7 \u0111\u01b0a ra c\u00e1c \u0111\u00e1p \u1ee9ng th\u00edch h\u1ee3p.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_yeu_cau_HTTP\"><\/span>C\u00e1c y\u00eau c\u1ea7u HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tr\u00ecnh duy\u1ec7t kh\u00f4ng \u0111\u01a1n gi\u1ea3n n\u00f3i &#8220;\u0110\u01b0a t\u00f4i file \u0111\u00f3&#8221;. N\u00f3 s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi HTTP \u0111\u1ec3 th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u.<\/p>\n\n\n\n<p>M\u1ed9t y\u00eau c\u1ea7u HTTP l\u00e0 \u0111i\u1ec1u m\u00e0 tr\u00ecnh duy\u1ec7t s\u1eed d\u1ee5ng \u0111\u1ec3 y\u00eau c\u1ea7u v\u00e0 nh\u1eadn file n\u00f3 c\u1ea7n cho m\u1ee5c \u0111\u00edch <a href=\"https:\/\/kiencang.net\/cach-trang-web-tai-va-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">hi\u1ec3n th\u1ecb trang web c\u1ee7a b\u1ea1n<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vi_du_ve_yeu_cau_HTTP\"><\/span>V\u00ed d\u1ee5 v\u1ec1 y\u00eau c\u1ea7u HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 v\u1ec1 y\u00eau c\u1ea7u HTTP tr\u00f4ng gi\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o khi tr\u00ecnh duy\u1ec7t g\u1eedi y\u00eau c\u1ea7u trang \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc ngay b\u00e2y gi\u1edd.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">GET \/http.html HTTP\/1.1\nUser-Agent: user-agent: Mozilla\/5.0 Chrome\/44.0\nHost: ducanhplus.com\nAccept-Language: en-us\nAccept-Encoding: gzip, deflate\nConnection: Keep-Alive<\/pre>\n\n\n\n<p>Ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u t\u1eebng c\u00e1i trong s\u1ed1 n\u00e0y ngh\u0129a l\u00e0 g\u00ec \u1edf b\u00e0i vi\u1ebft kh\u00e1c.<\/p>\n\n\n\n<p>\u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t c\u1ea7n bi\u1ebft l\u00fac n\u00e0y l\u00e0 y\u00eau c\u1ea7u HTTP l\u00e0 c\u00e1ch tr\u00ecnh duy\u1ec7t h\u1ecfi\/g\u1ecdi\/y\u00eau c\u1ea7u c\u00e1c file c\u1ee7a trang web t\u1eeb m\u00e1y ch\u1ee7 web.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_dap_ung_HTTP\"><\/span>C\u00e1c \u0111\u00e1p \u1ee9ng HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi tr\u00ecnh duy\u1ec7t g\u1eedi m\u1ed9t y\u00eau c\u1ea7u HTTP, n\u00f3 ph\u1ea3i nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>B\u1ea1n ch\u1eafc l\u00e0 \u0111\u00e3 bi\u1ebft r\u00f5 m\u1ed9t s\u1ed1 m\u00e3 ph\u1ea3n h\u1ed3i ph\u1ed5 bi\u1ebfn r\u1ed3i. M\u1ed9t s\u1ed1 ph\u1ea3n h\u1ed3i ph\u1ed5 bi\u1ebfn bao g\u1ed3m&#8230;<\/p>\n\n\n\n<ul><li>200 &#8211; OK, web truy c\u1eadp t\u1ed1t<\/li><li>301 &#8211; URL \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n v\u0129nh vi\u1ec5n sang \u0111\u1ecba ch\u1ec9 kh\u00e1c<\/li><li>302 &#8211; URL \u0111\u01b0\u1ee3c chuy\u1ec3n t\u1ea1m th\u1eddi sang \u0111\u1ecba ch\u1ec9 kh\u00e1c<\/li><li>404 &#8211; URL trang kh\u00f4ng t\u00ecm th\u1ea5y tr\u00ean m\u00e1y ch\u1ee7 web<\/li><\/ul>\n\n\n\n<p>Nh\u1eefng m\u00e3 ph\u1ea3n h\u1ed3i n\u00e0y \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u00e1y ch\u1ee7 web v\u00e0 l\u00e0 m\u1ed9t ph\u1ea7n ph\u1ea3n h\u1ed3i cho c\u00e1c y\u00eau c\u1ea7u HTTP c\u1ee7a tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vi_du_ve_phan_hoi_HTTP\"><\/span>V\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n h\u1ed3i HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n m\u00e3 ph\u1ea3n h\u1ed3i HTTP t\u1eeb m\u00e1y ch\u1ee7 web c\u1ee7a t\u00f4i khi tr\u00ecnh duy\u1ec7t y\u00eau c\u1ea7u m\u1ed9t trang&#8230;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">HTTP\/2 200\naccept-ranges: bytes\ncache-control: max-age=300, must-revalidate\nconnection: keep-alive\ncontent-encoding: gzip\ncontent-length: 12960\ncontent-type: text\/html; charset=utf-8\ndate: Sun, 02 Aug 2018 12:15:24 GMT<\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gioi_thieu_tong_quan_ve_HTTP\"><\/span>Gi\u1edbi thi\u1ec7u t\u1ed5ng quan v\u1ec1 HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul><li>HTTP l\u00e0 c\u00e1ch tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web n\u00f3i chuy\u1ec7n v\u1edbi nhau \u0111\u1ec3 l\u01b0u chuy\u1ec3n d\u1eef li\u1ec7u (file)<\/li><li>C\u00e1c trang web l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c file \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1edfi tr\u00ecnh duy\u1ec7t web v\u00e0 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng giao th\u1ee9c HTTP<\/li><li>C\u00e1c y\u00eau c\u1ea7u HTTP \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi tr\u00ecnh duy\u1ec7t v\u00e0 \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi m\u00e1y ch\u1ee7<\/li><li>C\u00e1c \u0111\u00e1p \u1ee9ng HTTP \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u00e1y ch\u1ee7 web \u0111\u1ec3 \u0111\u00e1p \u1ee9ng l\u1ea1i c\u00e1c y\u00eau c\u1ea7u c\u1ee7a tr\u00ecnh duy\u1ec7t<\/li><\/ul>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft: Introduction to HTTP \u2013 T\u00e1c gi\u1ea3: Patrick Sexton \u2013 Website: Varvy)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTTP l\u00e0 g\u00ec? HTTP l\u00e0 c\u00e1ch tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web giao ti\u1ebfp v\u1edbi nhau; Trang web l\u00e0 c\u00e1c file \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong tr\u00ecnh duy\u1ec7t \u0111\u01b0\u1ee3c g\u1eedi b\u1edfi m\u00e1y ch\u1ee7 web; C\u00e1ch th\u1ee9c m\u00e0 nh\u1eefng file \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t g\u1ecdi l\u00e0 HTTP; HTTP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb &#8220;Hypertext &hellip;<\/p>\n","protected":false},"author":1,"featured_media":11995,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[235],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web &#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\/gioi-thieu-ve-http\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"HTTP l\u00e0 g\u00ec? HTTP l\u00e0 c\u00e1ch tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web giao ti\u1ebfp v\u1edbi nhau; Trang web l\u00e0 c\u00e1c file \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong tr\u00ecnh duy\u1ec7t \u0111\u01b0\u1ee3c g\u1eedi b\u1edfi m\u00e1y ch\u1ee7 web; C\u00e1ch th\u1ee9c m\u00e0 nh\u1eefng file \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t g\u1ecdi l\u00e0 HTTP; HTTP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb &#8220;Hypertext &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/gioi-thieu-ve-http\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-25T15:59:52+00:00\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/","og_locale":"vi_VN","og_type":"article","og_title":"HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web &#8226; Ki\u1ebfn c\u00e0ng","og_description":"HTTP l\u00e0 g\u00ec? HTTP l\u00e0 c\u00e1ch tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web giao ti\u1ebfp v\u1edbi nhau; Trang web l\u00e0 c\u00e1c file \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong tr\u00ecnh duy\u1ec7t \u0111\u01b0\u1ee3c g\u1eedi b\u1edfi m\u00e1y ch\u1ee7 web; C\u00e1ch th\u1ee9c m\u00e0 nh\u1eefng file \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t g\u1ecdi l\u00e0 HTTP; HTTP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb &#8220;Hypertext &hellip;","og_url":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2019-02-25T15:59:52+00:00","author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"5 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/","url":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/","name":"HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web &#8226; Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2019-02-25T15:59:52+00:00","dateModified":"2019-02-25T15:59:52+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/gioi-thieu-ve-http\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/gioi-thieu-ve-http\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"HTTP l\u00e0 g\u00ec? N\u00f3 \u0111\u00f3ng vai tr\u00f2 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi Web"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. T\u00f4i th\u00edch Content, SEO, Ads, T\u0103ng t\u1ed1c website v\u00e0 Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed. B\u00ean c\u1ea1nh b\u00e0i t\u1ef1 vi\u1ebft, t\u00f4i c\u0169ng d\u1ecbch nhi\u1ec1u n\u1ed9i dung th\u00fa v\u1ecb c\u1ee7a c\u00e1c t\u00e1c gi\u1ea3 kh\u00e1c nhau. FB c\u00e1 nh\u00e2n: facebook.com\/anhducnguyen87. Email li\u00ean h\u1ec7: guiemailchotoi@gmail.com","sameAs":["https:\/\/www.facebook.com\/anhducnguyen87\/"],"url":"https:\/\/kiencang.net\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/11987"}],"collection":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/comments?post=11987"}],"version-history":[{"count":0,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/11987\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media?parent=11987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/categories?post=11987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/tags?post=11987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}