{"id":7654,"date":"2022-03-25T17:25:48","date_gmt":"2022-03-25T10:25:48","guid":{"rendered":"https:\/\/hostify.vn\/blog\/?p=7654"},"modified":"2022-03-25T17:25:48","modified_gmt":"2022-03-25T10:25:48","slug":"loi-404-not-found-la-gi","status":"publish","type":"post","link":"https:\/\/www.hostify.vn\/blog\/loi-404-not-found-la-gi\/","title":{"rendered":"L\u1ed7i 404 not found l\u00e0 g\u00ec? 7 C\u00e1ch kh\u1eafc ph\u1ee5c nhanh nh\u1ea5t"},"content":{"rendered":"<p><em><strong>L\u1ed7i 404 not found<\/strong> hay l<strong>\u1ed7i 404 kh\u00f4ng t\u00ecm th\u1ea5y trang<\/strong>, <strong>404 Page Not Found<\/strong> l\u00e0 c\u00e1c c\u1ee5m t\u1eeb m\u00e0 kh\u00f4ng \u00edt l\u1ea7n<\/em> l\u01b0\u1edbt web tr\u00ean m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i b\u1ea1n s\u1ebd b\u1eaft g\u1eb7p.<\/p>\n<p><em>V\u1eady theo b\u1ea1n<\/em> <em><strong>l<\/strong><strong>\u1ed7i 404\u00a0<\/strong>hay th\u00f4ng d\u1ee5ng nh\u1ea5t l\u00e0\u00a0<strong>404 not found<\/strong> l\u00e0 g\u00ec? T\u1ea1i sao khi truy c\u1eadp t\u00ecm ki\u1ebfm th\u00f4ng tin m\u1ed9t v\u00e0i URL c\u1ee7a website l\u1ea1i th\u1ea5y l\u1ed7i n\u00e0y ?\u00a0<\/em><\/p>\n<p><em>N\u1ebfu \u0111ang s\u1edf h\u1eefu m\u1ed9t website m\u00e0 g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng l\u1ed7i 404, b\u1ea1n s\u1ebd ph\u1ea3i l\u00e0m g\u00ec \u0111\u1ec3 t\u00ecm c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 404 Not Found n\u00e0y?<\/em><\/p>\n<p><em>H\u00e3y \u0111\u1ec3 <a href=\"https:\/\/hostify.vn\/\" target=\"_blank\" rel=\"noopener\">Hostify.vn<\/a> gi\u00fap b\u1ea1n hi\u1ec3u l\u1ed7i <strong>404 Not Found <\/strong>l\u00e0 g\u00ec, nguy\u00ean nh\u00e2n c\u0169ng nh\u01b0 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y m\u1ed9t c\u00e1ch nhanh ch\u00f3ng nh\u1ea5t qua b\u00e0i vi\u1ebft sau nh\u00e9 !<\/em><\/p>\n<h2>L\u1ed7i 404 not found l\u00e0 g\u00ec?<\/h2>\n<div id=\"attachment_7676\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Loi-404-not-found-1.webp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7676\" class=\"size-full wp-image-7676\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Loi-404-not-found-1.webp\" alt=\"L\u1ed7i 404 not found -1\" width=\"800\" height=\"419\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Loi-404-not-found-1.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Loi-404-not-found-1-300x157.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Loi-404-not-found-1-768x402.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-7676\" class=\"wp-caption-text\">L\u1ed7i 404 not found l\u00e0 g\u00ec?<span style=\"font-size: 16px;\">.<\/span><\/p><\/div>\n<p>M\u1ed7i website s\u1ebd th\u01b0\u1eddng l\u01b0u tr\u1eef th\u00f4ng tin tr\u00ean m\u00e1y ch\u1ee7. Quy tr\u00ecnh t\u00ecm ki\u1ebfm th\u00f4ng tin tr\u00ean website th\u01b0\u1eddng l\u00e0 nh\u01b0 sau:<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> B\u1ea1n nh\u1eadp y\u00eau c\u1ea7u v\u00e0o tr\u00ecnh duy\u1ec7t<\/p>\n<p><strong>B\u01b0\u1edbc 2<\/strong>:Tr\u00ecnh duy\u1ec7t g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> M\u00e1y ch\u1ee7 s\u1ebd t\u00ecm ki\u1ebfm th\u00f4ng tin tr\u00ean web<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> Trang Web tr\u1ea3 k\u1ebft qu\u1ea3 y\u00eau c\u1ea7u cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng t\u00ecm \u0111\u01b0\u1ee3c th\u00f4ng tin, web s\u1ebd tr\u1ea3 v\u1ec1 l<strong>\u1ed7i 404 not found. <\/strong>L\u1ed7i 404 n\u00e0y x\u1ea3y ra \u1edf b\u01b0\u1edbc 3, khi m\u00e1y ch\u1ee7 kh\u00f4ng t\u00ecm th\u1ea5y trang web y\u00eau c\u1ea7u truy c\u1eadp, d\u1eabn \u0111\u1ebfn th\u00f4ng tin b\u00e1o v\u1ec1 b\u1ecb l\u1ed7i. Sau \u0111\u00f3 b\u1ea1n kh\u00f4ng th\u1ec3 th\u1ea5y th\u00f4ng tin mong mu\u1ed1n v\u00e0 th\u1ea5y l\u1ed7i 404 not found n\u00e0y.<\/p>\n<p>V\u00ec v\u1eady, <strong>L\u1ed7i 404 not found<\/strong> hay <strong>l\u1ed7i 404 <\/strong>l\u00e0 t\u00ean g\u1ecdi chung c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i truy v\u1ea5n khi tr\u00ecnh duy\u1ec7t web giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7. \u0110\u00e2y l\u00e0 m\u1ed9t m\u00e3 ph\u1ea3n h\u1ed3i chu\u1ea9n c\u1ee7a <a href=\"https:\/\/vi.wikipedia.org\/wiki\/Hypertext_Transfer_Protocol\" target=\"_blank\" rel=\"noopener\">HTTP<\/a> ph\u1ea3n h\u1ed3i \u0111\u1ebfn ng\u01b0\u1eddi truy c\u1eadp \u0111\u1ec3 bi\u1ebft r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a <a href=\"https:\/\/vi.wikipedia.org\/wiki\/Tr%C3%ACnh_duy%E1%BB%87t_web\" target=\"_blank\" rel=\"noopener\">tr\u00ecnh duy\u1ec7t web (Browser)<\/a> kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y th\u00f4ng tin ho\u1eb7c trang web m\u00e0 ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u<\/p>\n<p><strong>HI\u1ec3u \u0111\u01a1n gi\u1ea3n nh\u1ea5t, L\u1ed7i 404 not found l\u00e0 m\u1ed9t th\u00f4ng b\u00e1o \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp \u0111\u01b0\u1eddng li\u00ean k\u1ebft URL kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i.\u00a0<\/strong><\/p>\n<h2><strong>L\u1ed7i 404 not found \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n v\u1edbi c\u00e1c th\u00f4ng b\u00e1o <\/strong><strong>th\u01b0\u1eddng g\u1eb7p nh\u01b0:<\/strong><strong>\u00a0<\/strong><\/h2>\n<ul>\n<li>404 not found<\/li>\n<li>404 Error<\/li>\n<li>Error 404: Page not found<\/li>\n<li>Error 404<\/li>\n<li>Error 404 not found<\/li>\n<li>404 Page Not Found (kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y trang)<\/li>\n<li>404 File or Directory Not Found (kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y t\u1ec7p ho\u1eb7c danh m\u1ee5c mu\u1ed1n truy v\u1ea5n)<\/li>\n<li>HTTP 404 (l\u1ed7i giao th\u1ee9c k\u1ebft n\u1ed1i)<\/li>\n<li>HTTP 404 Not Found ( kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y giao th\u1ee9c k\u1ebft n\u1ed1i)<\/li>\n<li>The requested URL was not found on this server (Y\u00eau c\u1ea7u t\u00ecm ki\u1ebfm URL kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y tr\u00ean m\u00e1y ch\u1ee7<\/li>\n<\/ul>\n<h2>Nguy\u00ean nh\u00e2n x\u1ea3y ra l\u1ed7i 404 not found<\/h2>\n<p>&nbsp;<\/p>\n<div id=\"attachment_7684\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Nguyen-nhan-xay-ra-loi-404-not-found.webp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7684\" class=\"size-full wp-image-7684\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Nguyen-nhan-xay-ra-loi-404-not-found.webp\" alt=\" Nguyen-nhan-xay-ra-loi-404-not-found\" width=\"800\" height=\"419\" data-wp-editing=\"1\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Nguyen-nhan-xay-ra-loi-404-not-found.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Nguyen-nhan-xay-ra-loi-404-not-found-300x157.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Nguyen-nhan-xay-ra-loi-404-not-found-768x402.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-7684\" class=\"wp-caption-text\">Nguy\u00ean nh\u00e2n x\u1ea3y ra l\u1ed7i 404 not found<\/p><\/div>\n<h3>1. Do URL b\u1ecb thay \u0111\u1ed5i<\/h3>\n<p>URL ch\u00ednh l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u1ecbnh danh cho c\u00e1c t\u1ec7p, b\u00e0i vi\u1ebft v\u00e0 website tr\u00ean Internet. Khi \u0111\u1ecba ch\u1ec9 URL \u0111\u00e3 b\u1ecb thay \u0111\u1ed5i\/l\u00e0m m\u1edbi, nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng hay th\u00f4ng b\u00e1o cho c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, th\u00ec s\u1ebd kh\u00f4ng t\u00ecm th\u1ea5y web c\u1ee7a b\u1ea1n qua \u0111\u01b0\u1eddng URL \u0111\u00f3. V\u00e0 ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp URL c\u0169 s\u1ebd b\u1ecb hi\u1ec3n th\u1ecb <strong>l\u1ed7i 404 not found.\u00a0\u00a0<\/strong><\/p>\n<p>V\u00ed d\u1ee5: Khi thay \u0111\u1ed5i t\u1eeb t\u00ean mi\u1ec1n c\u0169 ABC.COM sang t\u00ean mi\u1ec1n m\u1edbi XYZ.VN\u00a0 m\u00e0 kh\u00f4ng th\u00f4ng b\u00e1o, ng\u01b0\u1eddi d\u00f9ng s\u1ebd kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y t\u00ean mi\u1ec1n c\u0169 tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm m\u00e0 ch\u1ec9 hi\u1ec3n th\u1ecb l\u1ed7i 404 not found.<\/p>\n<p>L\u1ed7i 404 n\u00e0y tr\u00ean website th\u01b0\u1eddng g\u1eb7p v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n<h3>2. Sai m\u00e3 code<\/h3>\n<p>C\u00e1c Developer s\u1ebd t\u1ea1o l\u1eadp website b\u1eb1ng c\u00e1ch t\u1ea1o c\u00e1c m\u00e3 code. N\u1ebfu qu\u00e1 tr\u00ecnh vi\u1ebft code n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn, d\u00f9 ch\u1ec9 m\u1ed9t l\u1ed7i sai s\u00f3t nh\u1ecf v\u1ec1 d\u1ea5u ch\u1ea5m (.), d\u1ea5u ngo\u1eb7c (\u201c),&#8230; c\u0169ng s\u1ebd khi\u1ebfn website b\u00e1o <strong>l\u1ed7i 404 not found.<\/strong><\/p>\n<p>V\u00ed d\u1ee5: Gi\u1eefa hai file<em>index.php <\/em>v\u00e0 <em>archive.php<\/em> code, ch\u1ec9 c\u1ea7n b\u1ea1n nh\u1ea7m m\u1ed9t d\u1ea5u <strong>\u201c<\/strong> ho\u1eb7c m\u1ed9t k\u00fd t\u1ef1 n\u00e0o \u0111\u00f3 trong m\u00e3 code c\u0169ng s\u1ebd khi\u1ebfn website b\u00e1o l\u1ed7i error 404<\/p>\n<h3>3. Sai s\u00f3t trong mod_rewrite<\/h3>\n<p>Sai s\u00f3t n\u00e0y l\u00e0 l\u1ed7i trong k\u1ef9 thu\u1eadt c\u00e0i \u0111\u1eb7t web. N\u1ebfu b\u1eadt mod_rewrite \u1edf d\u1ea1ng <em>.htaccess<\/em> m\u00e0 g\u1eb7p sai s\u00f3t th\u00ec khi website chuy\u1ec3n h\u01b0\u1edbng URL, c\u00e1c truy v\u1ea5n tr\u00ean web kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y v\u00e0 s\u1ebd xu\u1ea5t hi\u1ec7n <strong>l\u1ed7i 404 not found<\/strong><\/p>\n<h2>L\u1ed7i 404 not found \u1ea3nh h\u01b0\u1edfng v\u00e0 g\u00e2y h\u1eadu qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn Seo website?<\/h2>\n<p>Khi d\u00f9ng Internet hay t\u00ecm ki\u1ebfm th\u00f4ng tin tr\u00ean website m\u00e0 nh\u00ecn th\u1ea5y l\u1ed7i 404 not found hi\u1ec7n l\u00ean m\u00e0n h\u00ecnh th\u00ec ch\u1eafc ch\u1eafn ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu v\u00e0 b\u1ecb c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh t\u00ecm ki\u1ebfm th\u00f4ng tin. \u0110\u1eb7c bi\u1ec7t n\u1ebfu g\u1eb7p nhi\u1ec1u trang 404 tr\u00ean c\u00f9ng m\u1ed9t website s\u1ebd mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m l\u01b0\u1edbt web t\u1ec7. \u0110\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec3m \u1ea3nh h\u01b0\u1edfng nh\u1ea5t \u0111\u1ed1i v\u1ed1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng tr\u00ean webiste c\u1ee7a b\u1ea1n<\/p>\n<p>N\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u l\u1ed7i 404 trong khi bots crawl c\u0169ng c\u00f3 ngh\u0129a l\u00e0 h\u1ec7 th\u1ed1ng links c\u1ee7a website \u0111\u00f3 c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c ti\u1ebfp t\u1ee5c crawl c\u00e1c link kh\u00e1c. L\u1ed7i 404 not found s\u1ebd c\u00f2n l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ec9 l\u1ec7 tho\u00e1t bounce rate cao h\u01a1n, gi\u1ea3m t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng tr\u00ean website, gi\u1ea3m traffic v\u00e0 ranking c\u1ee7a b\u1ea1n \u1edf SERPs.<\/p>\n<p>N\u1ebfu t\u1ec9 l\u1ec7 trang 404 Not Found th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra th\u00ec n\u00f3 l\u00e0 \u00a0d\u1ea5u hi\u1ec7u c\u1ee7a nh\u1eefng v\u1ea5n \u0111\u1ec1 crawling v\u00e0 k\u1ef9 thu\u1eadt SEO nghi\u00eam tr\u1ecdng. Khi qu\u1ea3n tr\u1ecb website, <strong>l\u1ed7i 404 not found<\/strong> ch\u1eafc ch\u1eafn s\u1ebd l\u00e0m \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u SEO, khi\u1ebfn trang web c\u1ee7a b\u1ea1n b\u1ecb Google \u0111\u00e1nh gi\u00e1 th\u1ea5p v\u00e0 g\u00e2y \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn SEO hay th\u1ee9 h\u1ea1ng website tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/p>\n<p>\u0110\u1eb7c bi\u1ec7t, v\u1edbi l\u1ed7i 404 n\u00e0y c\u00f2n c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u, thi\u1ec7t h\u1ea1i v\u1ec1 kinh t\u1ebf n\u1ebfu b\u1ea1n d\u00f9ng website \u0111\u1ec3 b\u00e1n h\u00e0ng ho\u1eb7c ch\u1ea1y c\u00e1c qu\u1ea3ng c\u00e1o d\u1ecbch v\u1ee5.<\/p>\n<p>V\u1edbi nh\u1eefng \u1ea3nh h\u01b0\u1edfng, h\u1eadu qu\u1ea3 k\u1ec3 tr\u00ean, Hostify khuy\u00ean b\u1ea1n n\u00ean c\u00e2n nh\u1eafc ph\u00e1t hi\u1ec7n s\u1edbm v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i n\u00e0y ngay.<\/p>\n<h2>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 404 nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3<\/h2>\n<p>Google \u0111\u00e1nh gi\u00e1 kh\u00e1 nghi\u00eam ng\u1eb7t t\u1edbi c\u00e1c \u0111\u1ecba ch\u1ec9 trang \u0111\u00edch th\u00f4ng qua <a href=\"https:\/\/www.hostify.vn\/dang-ky-ten-mien\">t\u00ean mi\u1ec1n (domain)<\/a> khi x\u1ebfp h\u1ea1ng SEO. C\u00f2n <strong>l\u1ed7i 404 not found <\/strong>hay\u00a0<strong>404 error<\/strong> l\u1ea1i l\u00e0 m\u1ed9t l\u1ed7i kh\u00e1 ph\u1ed5 bi\u1ebfn tr\u00ean website\u00a0 V\u00ec th\u1ebf m\u00e0 c\u00e1c SEOer kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee7 quan v\u00e0 c\u1ea7n nhanh ch\u00f3ng t\u00ecm <strong>c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 404<\/strong> tr\u00ean website. V\u1eady c\u00f3 nh\u1eefng c\u00e1ch kh\u1eafc l\u1ed7i 404 not found n\u00e0o nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3 n\u00e0o? Sau \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd Hostify d\u00e0nh cho b\u1ea1n:<\/p>\n<h3 id=\"tai_lai_trang\" dir=\"ltr\" data-auto-toc-id=\"tai_lai_trang\">1. T\u1ea3i l\u1ea1i trang<\/h3>\n<p>N\u1ebfu g\u1eb7p l\u1ed7i 404 tr\u00ean website, c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 b\u1ea1n h\u00e3y b\u1ea5m F5 ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng m\u0169i t\u00ean quay tr\u00f2n (Reload) tr\u00ean tr\u00ecnh duy\u1ec7t ho\u1eb7c tr\u1ecf chu\u1ed9t v\u00e0o URL v\u00e0 nh\u1ea5n Enter\u00a0 \u0111\u1ec3 t\u1ea3i l\u1ea1i \u0111\u1ecba ch\u1ec9 c\u1ee7a trang.<\/p>\n<p>V\u00ec \u0111\u00f4i khi l\u1ed7i 404 xu\u1ea5t hi\u1ec7n khi trang web t\u1ea3i qu\u00e1 l\u00e2u ho\u1eb7c b\u00ean m\u00e1y ch\u1ee7 web g\u1eb7p tr\u1ee5c tr\u1eb7c khi\u1ebfn vi\u1ec7c hi\u1ec3n th\u1ecb trang b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<h3 dir=\"ltr\" data-auto-toc-id=\"xoa_bo_nho_dem_cache_tren_trinh_duyet\">2. X\u00f3a cache (b\u1ed9 nh\u1edb \u0111\u1ec7m) tr\u00ean tr\u00ecnh duy\u1ec7t<\/h3>\n<p dir=\"ltr\">Hi\u1ec7n nay, c\u00f3 r\u1ea5t nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p trang b\u1ecb l\u1ed7i error 404 l\u00e0 do tr\u00ecnh duy\u1ec7t web c\u1ee7a b\u1ea1n v\u1eabn l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 \u0111\u00f3. L\u00fac n\u00e0y, b\u1ea1n c\u1ea7n x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) tr\u00ean tr\u00ecnh duy\u1ec7t web \u0111\u1ec3 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u1eefng k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm sau n\u00e0y.<\/p>\n<p dir=\"ltr\">V\u1edbi 2 c\u00e1ch kh\u1eafc ph\u1ee5c tr\u00ean th\u00ec b\u1ea1n c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n \u00e1p d\u1ee5ng \u0111\u1ec3 s\u1eeda<strong> l\u1ed7i 404 not found<\/strong>\u00a0 \u0111\u01b0\u1ee3c c\u1ea3 tr\u00ean m\u00e1y t\u00ednh v\u00e0 \u0111i\u1ec7n tho\u1ea1i.<\/p>\n<h3 id=\"sua_lai_dia_chi_url\" dir=\"ltr\" data-auto-toc-id=\"sua_lai_dia_chi_url\">3. Ki\u1ec3m tra ho\u1eb7c t\u00ecm l\u1ea1i \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1eddng d\u1eabn URL<\/h3>\n<p id=\"kiem_tra_lai_duong_dan_url\" dir=\"ltr\" data-auto-toc-id=\"kiem_tra_lai_duong_dan_url\">C\u00f3 m\u1ed9t l\u00fd do c\u01a1 b\u1ea3n hay g\u1eb7p \u0111\u00f3 l\u00e0: b\u1ea1n nh\u1eadp sai \u0111\u1ecba ch\u1ec9 URL. Ch\u1ec9 c\u1ea7n nh\u1eadp sai m\u1ed9t k\u00fd t\u1ef1 nh\u1ecf trong \u0111\u01b0\u1eddng d\u1eabn URL, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i l\u1ed7i 404 not found. Th\u1ebf n\u00ean, n\u1ebfu g\u1eb7p l\u1ed7i 404 b\u1ea1n c\u1ea7n th\u1eed nh\u1eadp l\u1ea1i v\u00e0 ki\u1ec3m tra \u0111\u01b0\u1eddng d\u1eabn URL c\u1ea9n th\u1eadn, xem c\u00f3 \u0111\u00fang ch\u00ednh x\u00e1c v\u1edbi \u0111\u1ecba ch\u1ec9 c\u1ee7a n\u00f3 hay kh\u00f4ng.<\/p>\n<p>\u0110\u01b0\u1eddng d\u1eabn URL c\u1ee7a trang web s\u1ebd c\u00f3 l\u00fac b\u1ecb l\u1ed7i hay x\u00f3a \u0111i. Khi kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y m\u1ed9t danh m\u1ee5c n\u00e0o \u0111\u00f3 tr\u00ean website,\u00a0 b\u1ea1n c\u00f3 th\u1ec3 x\u00f3a b\u1edbt \u0111u\u00f4i ph\u00eda sau tr\u00ean URL \u0111\u00f3 \u0111\u1ec3 t\u00ecm l\u1ea1i. Ho\u1eb7c ch\u1ec9 gi\u1eef l\u1ea1i URL ch\u00ednh \u0111\u1ea1i di\u1ec7n cho trang ch\u1ee7 web\u00a0 r\u1ed3i t\u00ecm b\u1eb1ng ti\u1ec7n \u00edch t\u00ecm ki\u1ebfm c\u1ee7a trang .<\/p>\n<div id=\"attachment_7682\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Cach-khac-phuc-loi-404-nhanh-chong-va-hieu-qua.webp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7682\" class=\"size-full wp-image-7682\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Cach-khac-phuc-loi-404-nhanh-chong-va-hieu-qua.webp\" alt=\" Cach-khac-phuc-loi-404-nhanh-chong-va-hieu-qua\" width=\"800\" height=\"419\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Cach-khac-phuc-loi-404-nhanh-chong-va-hieu-qua.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Cach-khac-phuc-loi-404-nhanh-chong-va-hieu-qua-300x157.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Cach-khac-phuc-loi-404-nhanh-chong-va-hieu-qua-768x402.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-7682\" class=\"wp-caption-text\">C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 404 nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3<\/p><\/div>\n<h3 id=\"thay_doi_may_chu_dns\" dir=\"ltr\" data-auto-toc-id=\"thay_doi_may_chu_dns\">4. Thay \u0111\u1ed5i m\u00e1y ch\u1ee7 DNS<\/h3>\n<p>B\u00ecnh th\u01b0\u1eddng b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1eddng d\u1eabn URL b\u1eb1ng nhi\u1ec1u ngu\u1ed3n m\u1ea1ng. Nh\u01b0ng URL b\u00e0i vi\u1ebft n\u00e0o v\u1eabn b\u00e1o l\u1ed7i 404 th\u00ec c\u00f3 th\u1ec3 do m\u1ea1ng ISP ch\u1eb7n quy\u1ec1n truy c\u1eadp ho\u1eb7c DNS ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng. Trang truy c\u1eadp \u0111\u00f3 c\u00f3 l\u1ebd \u0111\u00e3 b\u1ecb nh\u00e0 m\u1ea1ng ch\u1eb7n. \u0110\u00e2y l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n th\u1ec9nh tho\u1ea3ng b\u1ea1n c\u0169ng s\u1ebd hay g\u1eb7p so v\u1edbi c\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh k\u1ec3 tr\u00ean.<\/p>\n<p>V\u1eady th\u1ebf \u0111\u1ec3 t\u00ecm <strong>c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 404 not found<\/strong> n\u00e0y: b\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ed5i sang m\u1ed9t m\u00e1y ch\u1ee7 <a href=\"https:\/\/hostify.vn\/blog\/he-thong-phan-giai-ten-mien\/\" target=\"_blank\" rel=\"noopener\">DNS<\/a> kh\u00e1c \u0111\u1ec3 truy c\u1eadp l\u1ea1i trang web m\u1ed9t c\u00e1ch b\u00ecnh th\u01b0\u1eddng.<\/p>\n<h3 id=\"subhmenuid13\"><strong>5. Xem trang web tr\u00ean Internet Archive hay tr\u00ean b\u1ed9 nh\u1edb cache c\u1ee7a Google<\/strong><\/h3>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p trang mu\u1ed1n truy c\u1eadp t\u1eebng c\u00f3 t\u1ed3n t\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 v\u00e0o kho l\u01b0u tr\u1eef tr\u00ean nternet Archive \u0111\u1ec3 t\u00ecm m\u1ed9t b\u1ea3n sao l\u01b0u c\u1ee7a n\u00f3. V\u00ec I<a href=\"https:\/\/vi.wikipedia.org\/wiki\/Internet_Archive\" target=\"_blank\" rel=\"noopener\">nternet Archive<\/a> ch\u1ee9a h\u00e0ng t\u1ef7 trang web \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu theo th\u1eddi gian. N\u1ebfu trang \u0111ang ki\u1ebfm t\u00ecm t\u1eebng ph\u1ed5 bi\u1ebfn th\u00ec r\u1ea5t c\u00f3 th\u1ec3 n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 an to\u00e0n. B\u1ea1n ch\u1ec9 c\u1ea7n v\u00e0o Internet Archive, nh\u1eadp URL mong mu\u1ed1n v\u00e0o tr\u01b0\u1eddng t\u00ecm ki\u1ebfm. T\u1ea1i \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn m\u1ed9t ng\u00e0y \u0111\u1ec3 xem li\u1ec7u c\u00f3 m\u1ed9t b\u1ea3n snapshot c\u1ee7a trang web \u0111\u00f3 \u0111\u01b0\u1ee3c l\u01b0u trong ng\u00e0y hay kh\u00f4ng.<\/p>\n<p>V\u1edbi nh\u1eefng trang web \u0111\u00e3 \u0111\u01b0\u1ee3c Google l\u1eadp ch\u1ec9 m\u1ee5c th\u00ec s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i trong b\u1ed9 nh\u1edb cache. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng truy c\u1eadp v\u00e0o cache \u0111\u1ec3 t\u00ecm hi\u1ec3u. \u0110\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c cache th\u00ec ch\u1ec9 c\u1ea7n copy cache , th\u00eam v\u00e0o tr\u01b0\u1edbc URL c\u1ea7n truy c\u1eadp. sau \u0111\u00f3, Google s\u1ebd th\u00f4ng b\u00e1o cho b\u1ea1n th\u1eddi gian l\u01b0u cache c\u1ee7a website m\u00e0 b\u1ea1n c\u1ea7n t\u00ecm.<\/p>\n<h3>6. Li\u00ean h\u1ec7 <strong>ng\u01b0\u1eddi c\u00f3 chuy\u00ean m\u00f4n hay ch\u1ee7<\/strong> website<\/h3>\n<p>V\u1edbi 5 c\u00e1c c\u00e1ch tr\u00ean, m\u00e0 b\u1ea1n v\u1eabn th\u1ea5y l\u1ed7i 404 not found.\u00a0V\u00e0 v\u1eabn mu\u1ed1n th\u1ef1c s\u1ef1 mu\u1ed1n truy c\u1eadp trang web \u0111\u00f3, th\u00ec h\u00e3y li\u00ean h\u1ec7 v\u1edbi ng\u01b0\u1eddi c\u00f3 k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n hay ch\u1ee7 website gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 c\u00e1c l\u1ed7i n\u00e0y. V\u00ec c\u00f3 \u0111\u00f4i khi h\u1ecd ch\u01b0a bi\u1ebft link trang \u0111ang b\u1ecb l\u1ed7i. Ch\u1eafc r\u1eb1ng nh\u1eefng ph\u1ea3n h\u1ed3i c\u1ee7a b\u1ea1n s\u1ebd lu\u00f4n h\u1eefu \u00edch v\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n web.<\/p>\n<h3>7. C\u00e1ch kh\u1eafc ph\u1ee5c x<strong>\u1eed l\u00fd L\u1ed7i 404 &#8211; Redirect 301 hay Trang th\u00f4ng b\u00e1o 404 khi l\u00e0 m\u1ed9t qu\u1ea3n tr\u1ecb vi\u00ean website<\/strong><\/h3>\n<p>V\u1edbi l\u1ed7i 404 Not Found, n\u1ebfu l\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean website th\u00ec b\u1ea1n c\u00f3 2 c\u00e1ch th\u1ef1c hi\u1ec7n: l\u00e0 <strong><em>t\u1ef1 \u0111\u1ed9ng 301 Redirect<\/em><\/strong> ng\u01b0\u1eddi d\u00f9ng sang m\u1ed9t trang \u0111\u00edch kh\u00e1c, trang ch\u1ee7 ho\u1eb7c <em>\u0111\u1ec3 <strong>Trang th\u00f4ng b\u00e1o 404<\/strong><\/em>. Sau \u0111\u00f3 \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng t\u1ef1 quy\u1ebft \u0111\u1ecbnh b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n<p>N\u1ebfu n\u1ed9i dung \u0111\u01b0\u1ee3c link \u0111\u1ebfn website c\u1ee7a b\u1ea1n \u0111\u00e3 b\u1ecb x\u00f3a b\u1ecf, di chuy\u1ec3n ho\u1eb7c thay \u0111\u1ed5i URL, b\u1ea1n n\u00ean chuy\u1ec3n h\u01b0\u1edbng trang \u0111\u1ebfn m\u1ed9t trang kh\u00e1c, s\u1eed d\u1ee5ng redirect 301 \u0111\u1ec3 t\u1eadn d\u1ee5ng nh\u1eefng li\u00ean k\u1ebft c\u00f3 s\u1eb5n.Tr\u01b0\u1eddng h\u1ee3p b\u1ea1n \u0111\u1ed5i t\u00ean domain th\u00ec c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 Change of Address trong Webmaster Tools\u00a0\u0111\u1ec3 khai b\u00e1o v\u1edbi\u00a0<a href=\"https:\/\/support.google.com\/webmasters\/answer\/83106\" target=\"_blank\" rel=\"noopener\">Google<\/a>.<\/p>\n<p>B\u1ea1n ch\u1ec9 c\u1ea7n x\u1eed l\u00fd v\u1edbi c\u00e1ch chuy\u1ec3n h\u01b0\u1edbng 301 (Redirect 301). \u0110\u00e2y l\u00e0 m\u1ed9t m\u00e3 ph\u1ea3n h\u1ed3i chuy\u1ec3n h\u01b0\u1edbng b\u00e1o hi\u1ec7u tr\u00ecnh duy\u1ec7t r\u1eb1ng n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang m\u1ed9t URL kh\u00e1c.<\/p>\n<p>Ngo\u00e0i ra, n\u1ebfu n\u1ed9i dung \u0111\u01b0\u1ee3c link \u0111\u1ebfn website \u0111\u00e3 b\u1ecb x\u00f3a b\u1ecf hay ng\u01b0\u1eddi d\u00f9ng g\u00f5 sai ch\u00ednh t\u1ea3, th\u00ec b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trang th\u00f4ng b\u00e1o 404 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi truy c\u1eadp \u0111\u1ec3 c\u1ea3i thi\u1ec7n m\u1ee9c \u0111\u1ed9 tr\u1ea3i nghi\u1ec7m web \u0111\u1ebfn kh\u00e1ch h\u00e0ng.<\/p>\n<p>V\u1edbi m\u1ed9t s\u1ed1 website l\u1edbn, nh\u01b0 E-commerce hay online publication th\u00ec b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc k\u1ef9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh khi n\u00e0o d\u00f9ng Trang th\u00f4ng b\u00e1o 404 v\u00e0 khi n\u00e0o d\u00f9ng Redirect 301. V\u00ec n\u1ebfu trang c\u00f3 nhi\u1ec1u \u0111\u01b0\u1eddng li\u00ean k\u1ebft quan tr\u1ecdng, nhi\u1ec1u ng\u01b0\u1eddi xem th\u00ec Hostify khuy\u00ean b\u1ea1n: n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng 301 Redirect t\u1edbi nh\u1eefng trang c\u00f3 n\u1ed9i dung li\u00ean quan \u0111\u1ec3 duy tr\u00ec l\u01b0\u1ee3ng traffic v\u00e0 ranking.<\/p>\n<h2><strong>G\u1ee3i \u00fd v\u1ec1 trang th\u00f4ng b\u00e1o l\u1ed7i 404 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/strong><\/h2>\n<p>Tr\u00ean th\u1ef1c t\u1ebf hi\u1ec7n nay th\u00ec l\u1ed7i 404 Not Found l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f3 tr\u00e1nh kh\u1ecfi trong qu\u00e1 tr\u00ecnh l\u01b0\u1edbt web. N\u00f3 kh\u00f4ng h\u1eb3n l\u00e0 m\u1ed9t l\u1ed7i th\u1eadt s\u1ef1 ti\u00eau c\u1ef1c hay kh\u00f3 kh\u1eafc ph\u1ee5c. V\u00ec th\u1ebf, Hostify s\u1ebd g\u1ee3i \u00fd \u0111\u1ebfn b\u1ea1n m\u1ed9t s\u1ed1 \u00fd t\u01b0\u1edfng \u0111\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t trang 404 s\u00e1ng t\u1ea1o v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Ngo\u00e0i ra,\u00a0 n\u1ebfu c\u00f3 th\u00eam t\u00ednh \u0111\u1ed3ng nh\u1ea5t, c\u00e1 t\u00ednh cho website, th\u00ec vi\u1ec7c kinh doanh c\u1ee7a b\u1ea1n s\u1ebd t\u1ea1o \u1ea5n t\u01b0\u1ee3ng t\u1ed1t h\u01a1n nhi\u1ec1u so m\u1ed9t trang L\u1ed7i 404 Not Found &#8220;th\u00f4ng th\u01b0\u1eddng&#8221;.<\/p>\n<p>V\u1edbi m\u1ed9t trang 404 c\u00f3 \u00edch s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng bi\u1ebft th\u00eam v\u00ec sao t\u00ecm ki\u1ebfm c\u1ee7a h\u1ecd l\u1ea1i Not Found.<em> (c\u00f3 th\u1ec3 do g\u00f5 sai \u0111\u1ecba ch\u1ec9, n\u1ed9i dung tr\u00ean trang \u0111\u00e3 b\u1ecb thay \u0111\u1ed5i ho\u1eb7c d\u1eddi \u0111i ho\u1eb7c do website, server, hay t\u00edn hi\u1ec7u m\u1ea1ng).<\/em> V\u1eady n\u00ean, khi thi\u1ebft k\u1ebf trang 404, b\u1ea1n c\u00f3 th\u1ec3 quan t\u00e2m v\u00e0 b\u1ed5 sung th\u00eam c\u00e1c \u00fd nh\u01b0 sau:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng ng\u00f4n ng\u1eef th\u00e2n thi\u1ec7n khi th\u00f4ng b\u00e1o, gi\u1ea3i th\u00edch v\u1edbi ng\u01b0\u1eddi xem r\u1eb1ng trang n\u00e0y kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i<\/li>\n<li>Hi\u1ec3n th\u1ecb m\u1ed9t danh s\u00e1ch c\u00e1c trang \u01b0a th\u00edch, trang c\u00f3 n\u1ed9i dung li\u00ean quan (nh\u1eefng trang m\u00e0 m\u1ecdi ng\u01b0\u1eddi r\u1ea5t quan t\u00e2m trong site c\u1ee7a b\u1ea1n) \u0111\u1ebfn trang b\u1ecb l\u1ed7i v\u00e0o trang 404<\/li>\n<li>C\u00e2n nh\u1eafc b\u1ed5 sung th\u00eam \u0111\u01b0\u1eddng li\u00ean k\u1ebft v\u1ec1 trang ch\u1ee7 hay m\u1ed9t li\u00ean k\u1ebft v\u1ec1 sitemap c\u1ee7a b\u1ea1n<\/li>\n<li>T\u1ea1o m\u1ed9t form th\u1eadt \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 ng\u01b0\u1eddi xem c\u00f3 th\u1ec3 b\u00e1o v\u1edbi b\u1ea1n v\u1ec1 nh\u1eefng link h\u1ecfng n\u00e0y m\u1ed9t c\u00e1ch nhanh nh\u1ea5t<\/li>\n<li>Th\u00eam m\u1ed9t <em>box search<\/em> \u0111\u1ec3 ng\u01b0\u1eddi xem trang c\u00f3 th\u1ec3 nh\u1eadp c\u00e1c keyword kh\u00e1c h\u1ecd mu\u1ed1n t\u00ecm<\/li>\n<li>Thi\u1ebft k\u1ebf c\u00e1c trang th\u00f4ng b\u00e1o 404 m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n nh\u01b0 m\u1ecdi trang c\u1ee7a website, t\u1eeb giao di\u1ec7n, b\u1ed1 c\u1ee5c tr\u00ecnh b\u00e0y, m\u00e0u s\u1eafc v\u00e0 logo<\/li>\n<li>Trang 404 n\u00ean \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, d\u1ec5 hi\u1ec3u v\u00e0 \u0111\u00f4i khi b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf tr\u00f4ng \u1ea5n t\u01b0\u1ee3ng v\u00e0 h\u00e0i h\u01b0\u1edbc h\u01a1n.<\/li>\n<\/ul>\n<h2>4 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 check l\u1ed7i 404 not found mi\u1ec5n ph\u00ed<\/h2>\n<p>\u0110\u1ec3 ki\u1ec3m tra website ho\u1eb7c b\u1ea5t c\u1ee9 link n\u00e0o c\u00f3 b\u1ecb l\u1ed7i 404 hay kh\u00f4ng b\u1ea1n h\u00e3y g\u00f5 tr\u1ef1c ti\u1ebfp URL \u0111\u00f3 l\u00ean thanh t\u00ecm ki\u1ebfm c\u1ee7a Google ho\u1eb7c c\u00e1c tr\u00ecnh duy\u1ec7t kh\u00e1c. N\u1ebfu kh\u00f4ng c\u00f3 k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 ch\u1eafc r\u1eb1ng trang \u0111\u00f3 \u0111\u00e3 g\u1eb7p l\u1ed7i 404. Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp URL \u0111\u1ec3 check tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed sau:<\/p>\n<h3>1. Google Webmaster Tools<\/h3>\n<div id=\"attachment_7759\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Google-Webmaster-Tools.webp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7759\" class=\"size-full wp-image-7759\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Google-Webmaster-Tools.webp\" alt=\"Google Webmaster Tools\" width=\"800\" height=\"419\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Google-Webmaster-Tools.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Google-Webmaster-Tools-300x157.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Google-Webmaster-Tools-768x402.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-7759\" class=\"wp-caption-text\">Google Webmaster Tools<\/p><\/div>\n<p>C\u00f4ng c\u1ee5 Google Webmaster Tools l\u00e0 c\u00f4ng c\u1ee5 r\u1ea5t quen thu\u1ed9c v\u1edbi c\u00e1c SEOer. B\u1edfi v\u00ec h\u1ecd th\u01b0\u1eddng s\u1eed d\u1ee5ng n\u00f3 m\u1ed7i ng\u00e0y. T\u00ednh n\u0103ng h\u1eefu \u00edch l\u00e0 thu th\u1eadp v\u00e0 th\u1ed1ng k\u00ea c\u00e1c li\u00ean k\u1ebft b\u1ecb l\u1ed7i c\u00f3 trong website. \u0110\u1ec3 t\u00ecm c\u00e1c URL b\u1ecb l\u1ed7i th\u00ec b\u1ea1n v\u00e0o ph\u1ea7n <strong>Thu th\u1eadp d\u1eef li\u1ec7u\u00a0<\/strong>&gt; Ch\u1ecdn\u00a0<strong>L\u1ed7i thu th\u1eadp d\u1eef li\u1ec7u <\/strong>\u0111\u1ec3 check.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t c\u00f4ng c\u1ee5 Google Webmaster Tools <a href=\"https:\/\/support.google.com\/webmasters\/answer\/9128669?hl=vi\" target=\"_blank\" rel=\"noopener\">t\u1ea1i \u0111\u00e2y.\u00a0<\/a><\/p>\n<h3>2. Xenu Link Sleuth<\/h3>\n<p dir=\"ltr\">Link Sleuth l\u00e0 c\u00f4ng c\u1ee5 v\u1eeba gi\u00fap t\u00ecm l\u1ed7i 404 v\u1eeba tr\u1ef1c ti\u1ebfp li\u00ean k\u1ebft l\u1ed7i \u0111\u00f3. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng: r\u00e0 so\u00e1t t\u1ea5t c\u1ea3 c\u00e1c li\u00ean k\u1ebft theo ki\u1ec3u b\u1eafc c\u1ea7u t\u1eeb trang n\u00e0y sang trang kh\u00e1c. Sau \u0111\u00f3 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 th\u1ed1ng k\u00ea \u0111\u1ea7y \u0111\u1ee7 cho b\u1ea1n sau khi qu\u00e9t xong. Tuy nhi\u00ean, n\u1ebfu web c\u1ee7a b\u1ea1n c\u00f3 nhi\u1ec1u trang l\u1ed7i th\u00ec s\u1ebd t\u1ed1n kh\u00e1 nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 c\u00f4ng c\u1ee5 ki\u1ec3m tra l\u1ed7i 404 qu\u00e9t xong.<\/p>\n<p>Sau khi ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c link b\u1ecb l\u1ed7i, b\u1ea1n nh\u1ea5n chu\u1ed9t ph\u1ea3i v\u00e0o link =&gt; Ch\u1ecdn v\u00e0o ph\u1ea7n URL Properties \u0111\u1ec3 xem link \u0111\u00f3 n\u1eb1m \u1edf \u0111\u00e2u trong trang v\u00e0 kh\u1eafc ph\u1ee5c.<\/p>\n<h3>3. Screaming Frog Spider SEO<\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 ki\u1ec3m tra l\u1ed7i 404 mi\u1ec5n ph\u00ed ph\u1ed5 bi\u1ebfn. B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp \u0111\u01b0\u1eddng d\u1eabn URL v\u00e0o thanh t\u00ecm ki\u1ebfm, r\u1ed3i\u00a0 th\u1ef1c hi\u1ec7n theo y\u00eau c\u1ea7u.<\/p>\n<p>V\u1edbi Xenu Link Sleuth ch\u1ec9 c\u00f3 th\u1ec3 thu th\u1eadp \u0111\u01b0\u1ee3c nh\u1eefng li\u00ean k\u1ebft c\u1ee7a website v\u00e0 tr\u1ea3 l\u1ea1i v\u1edbi nh\u1eefng thu\u1ed9c t\u00ednh c\u01a1 b\u1ea3n. Nh\u01b0ng Screaming Frog Spider SEO th\u00ec s\u1ebd h\u1ed7 tr\u1ee3 Seo t\u1ed1t h\u01a1n.<\/p>\n<p>C\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p th\u00eam c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c \u0111\u1ec3 ph\u1ee5c v\u1ee5 vi\u1ec7c SEO hi\u1ec7u qu\u1ea3 nh\u01b0:<em> ph\u00e2n t\u00edch c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a li\u00ean k\u1ebft, ki\u1ec3m tra c\u00e1c li\u00ean k\u1ebft, ki\u1ec3m tra v\u00e0 h\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u Onpage<\/em>,\u2026.<\/p>\n<p>Ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c d\u00f9ng mi\u1ec5n ph\u00ed nh\u01b0ng s\u1ebd b\u1ecb gi\u1edbi h\u1ea1n thu th\u1eadp t\u1ed1i \u0111a kho\u1ea3ng 500 li\u00ean k\u1ebft URL tr\u00ean 1 ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu mu\u1ed1n s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n th\u00ec c\u1ea7n ph\u1ea3i tr\u1ea3 th\u00eam ph\u00ed m\u1ed7i n\u0103m.<\/p>\n<p>C\u00e0i \u0111\u1eb7t c\u00f4ng c\u1ee5 Screaming Frog Spider SEO <a href=\"https:\/\/www.screamingfrog.co.uk\/seo-spider\/\" target=\"_blank\" rel=\"noopener\">t\u1ea1i \u0111\u00e2y.\u00a0<\/a><\/p>\n<div id=\"attachment_7760\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Screaming-Frog-Spider-SEO.webp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7760\" class=\"size-full wp-image-7760\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Screaming-Frog-Spider-SEO.webp\" alt=\"Screaming-Frog-Spider-SEO\" width=\"800\" height=\"419\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Screaming-Frog-Spider-SEO.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Screaming-Frog-Spider-SEO-300x157.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/Screaming-Frog-Spider-SEO-768x402.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-7760\" class=\"wp-caption-text\">Screaming-Frog-Spider-SEO<\/p><\/div>\n<p>V\u1edbi b\u00e0i b\u00e0i vi\u1ebft tr\u00ean, Hostify hy v\u1ecdng b\u1ea1n \u0111\u00e3 bi\u1ebft th\u00eam nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c <strong>l\u1ed7i 404 Not Found <\/strong>d\u1ec5 d\u00e0ng h\u01a1n. C\u00e1m \u01a1n b\u1ea1n \u0111\u00e3 theo d\u00f5i b\u00e0i vi\u1ebft, h\u1eb9n g\u1eb7p l\u1ea1i b\u1ea1n \u1edf nh\u1eefng b\u00e0i vi\u1ebft ti\u1ebfp theo!<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ed7i 404 not found l\u00e0 g\u00ec? C\u1eebng Hostify.vn t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 v\u00e0 nhanh nh\u1ea5t.<\/p>\n","protected":false},"author":1,"featured_media":8864,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[44,256],"class_list":["post-7654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-muc-khac","tag-hosting","tag-loi-404-not-found"],"_links":{"self":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts\/7654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/comments?post=7654"}],"version-history":[{"count":0,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts\/7654\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/media\/8864"}],"wp:attachment":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/media?parent=7654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/categories?post=7654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/tags?post=7654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}