{"id":2192,"date":"2012-12-07T16:07:49","date_gmt":"2012-12-07T09:07:49","guid":{"rendered":"http:\/\/pridio.com\/?p=2192"},"modified":"2012-12-07T16:23:04","modified_gmt":"2012-12-07T09:23:04","slug":"nhung-bi-mat-xung-quanh-mat-do-tu-khoa","status":"publish","type":"post","link":"https:\/\/pridio.com\/en\/kien-thuc\/seo-du-an\/nhung-bi-mat-xung-quanh-mat-do-tu-khoa\/","title":{"rendered":"Nh\u1eefng b\u00ed m\u1eadt xung quanh m\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1"},"content":{"rendered":"<p style=\"text-align: justify;\">B\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 m\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u00f3i v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, ng\u01b0\u1eddi ta ngh\u0129 ngay \u0111\u1ebfn &#8220;m\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a&#8221;. \u0110\u00e2y l\u00e0 m\u1ed9t sai l\u1ea7m. M\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1 <strong>kh\u00f4ng ph\u1ea3i <\/strong>l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn trong thu\u1eadt to\u00e1n x\u1ebfp h\u1ea1ng c\u1ee7a b\u1ed9 m\u00e1y t\u00ecm ki\u1ebfm b\u1edfi v\u00ec m\u1ed9t l\u00fd do r\u1ea5t \u0111\u01a1n gi\u1ea3n: n\u00f3 khi\u1ebfn k\u1ebft qu\u1ea3 sai l\u1ec7ch qu\u00e1 nhi\u1ec1u so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch t\u1eeb kho\u00e1 cao c\u1ea5p kh\u00e1c. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thu\u1eadt to\u00e1n t\u00ecm ki\u1ebfm hi\u1ec7n \u0111\u1ea1i v\u1edbi l\u00fd do \u0111\u01a1n gi\u1ea3n l\u00e0 n\u00f3 cung c\u1ea5p k\u1ebft qu\u1ea3 t\u1ed3i t\u1ec7 h\u01a1n nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ti\u00ean ti\u1ebfn trong l\u0129nh v\u1ef1c ph\u00e2n t\u00edch t\u1eeb kh\u00f3a. Thay v\u00ec ph\u00e2n t\u00edch t\u00ednh logic c\u1ee7a t\u01b0 duy sai l\u1ea7m \u0111\u00f3 trong b\u1ea3n h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111\u01b0a ra nghi\u00ean c\u1ee9u c\u1ee7a ti\u1ebfn s\u0129 Edel Garcia v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y- M\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/pridio.com\/dich-vu-seo\/\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"M\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a\" src=\"http:\/\/pridio.com\/wp-content\/uploads\/2012\/12\/keyword-300x145.jpg\" alt=\"d\u1ecbch v\u1ee5 seo\" width=\"300\" height=\"145\" \/><\/a><\/p>\n<blockquote><p>V\u00ed d\u1ee5:<\/p>\n<p style=\"text-align: justify;\">N\u1ebfu hai t\u00e0i li\u1ec7u, D1 v\u00e0 D2, bao g\u1ed3m 1000 c\u1ee5m t\u1eeb (I = 1000) v\u00e0 l\u1eb7p l\u1ea1i 20 l\u1ea7n h\u1ea1n (tf= 20), sau \u0111\u00f3 m\u00e1y ph\u00e2n t\u00edch m\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a s\u1ebd cho b\u1ea1n bi\u1ebft r\u1eb1ng \u0111\u1ed1i v\u1edbi c\u1ea3 hai m\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1 t\u00e0i li\u1ec7u (KD) KD = 20 \/ 1000 = 0,020 (2%) cho c\u1ee5m t\u1eeb \u0111\u00f3. Gi\u00e1 tr\u1ecb gi\u1ed1ng h\u1ec7t nhau thu \u0111\u01b0\u1ee3c khi tf = 10 v\u00e0 I = 500. R\u00f5 r\u00e0ng, m\u00e1y ph\u00e2n t\u00edch kh\u00f4ng ch\u1ec9 ra trang n\u00e0o c\u00f3 li\u00ean quan h\u01a1n. T\u1ef7 l\u1ec7 m\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1 kh\u00f4ng h\u1ec1 cho ta bi\u1ebft v\u1ec1:<\/p>\n<p><span style=\"text-align: justify;\">1. Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u1ee5m t\u1eeb trong c\u00e1c v\u0103n b\u1ea3n (m\u1ed1i li\u00ean k\u1ebft)<\/span><br \/>\n<span style=\"text-align: justify;\">2. V\u1ecb tr\u00ed m\u00e0 c\u1ee5m t\u1eeb\u00a0 xu\u1ea5t hi\u1ec7n trong v\u0103n b\u1ea3n (ph\u00e2n ph\u1ed1i)<\/span><br \/>\n<span style=\"text-align: justify;\">3. S\u1ef1 tr\u00edch d\u1eabn ch\u00e9o gi\u1eefa c\u00e1c thu\u1eadt ng\u1eef.<\/span><br \/>\n<span style=\"text-align: justify;\">4. Ch\u1ee7 \u0111\u1ec1 ch\u00ednh, ch\u1ee7 \u0111\u1ec1, v\u00e0 ch\u1ee7 \u0111\u1ec1 ph\u1ee5 c\u1ee7a t\u00e0i li\u1ec7u.<\/span><\/p>\n<p style=\"text-align: justify;\">K\u1ebft lu\u1eadn:<\/p>\n<p style=\"text-align: justify;\">M\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a kh\u00f4ng li\u00ean quan g\u00ec t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng, n\u1ed9i dung, \u00fd ngh\u0129a v\u00e0 s\u1ef1 li\u00ean h\u1ec7 c\u1ee7a page.<\/p>\n<\/blockquote>\n<p style=\"text-align: justify;\">Kh\u00e1i ni\u1ec7m v\u1ec1 gi\u00e1 tr\u1ecb c\u1ee7a m\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm th\u01b0\u01a1ng m\u1ea1i , m\u1ea1ng Internet v\u00e0 kh\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m thu th\u1eadp th\u00f4ng tin. Th\u1eadt b\u1ea5t ng\u1edd, m\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a kh\u00f4ng h\u1ec1 c\u00f3 vai tr\u00f2 trong qu\u00e1 tr\u00ecnh c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm ch\u1ec9 m\u1ee5c c\u00e1c t\u00e0i li\u1ec7u v\u0103n b\u1ea3n, ho\u1eb7c \u0111\u00e1nh gi\u00e1 c\u00e1c thu\u1eadt ng\u1eef. T\u1ea1i sao r\u1ea5t nhi\u1ec1u chuy\u00ean gia t\u1ed1i \u01b0u v\u1eabn tin v\u00e0o gi\u00e1 tr\u1ecb c\u1ee7a m\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1. C\u00e2u tr\u1ea3 l\u1eddi r\u1ea5t \u0111\u01a1n gi\u1ea3n: do thi\u1ebfu th\u00f4ng tin.Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a Ti\u1ebfn s\u0129 Garcia v\u00e0 c\u00e1c ch\u1ee9ng minh d\u1ef1a tr\u00ean c\u01a1 s\u1edf to\u00e1n h\u1ecdc c\u1ee7a \u00f4ng \u0111\u00e1nh b\u1eadt quan \u0111i\u1ec3m cho r\u1eb1ng m\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a m\u1ed9t trang nh\u1eb1m \u0111\u1ea1t th\u1ee9 h\u1ea1ng t\u1ed1t h\u01a1n.<\/p>\n<p style=\"text-align: justify;\"><a title=\"Thi\u1ebft k\u1ebf web\" href=\"http:\/\/pridio.com\/thiet-ke-web\/\">Thi\u1ebft k\u1ebf web<\/a> &#8211; <a title=\"Pridio.com\" href=\"http:\/\/pridio.com\/\">Pridio<\/a><\/p>\n<p style=\"text-align: justify;\">Theo Seo Moz<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 m\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u00f3i v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, ng\u01b0\u1eddi ta ngh\u0129 ngay \u0111\u1ebfn &#8220;m\u1eadt \u0111\u1ed9 t\u1eeb kh\u00f3a&#8221;. \u0110\u00e2y l\u00e0 m\u1ed9t sai l\u1ea7m. M\u1eadt \u0111\u1ed9 t\u1eeb kho\u00e1 kh\u00f4ng&#8230;<\/p>\n","protected":false},"author":16,"featured_media":2202,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"tags":[194,66,193],"class_list":["post-2192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo-du-an","tag-cach-dat-tu-khoa","tag-dich-vu-seo","tag-mat-do-tu-khoa"],"acf":[],"_links":{"self":[{"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/posts\/2192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/comments?post=2192"}],"version-history":[{"count":0,"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/posts\/2192\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/media\/2202"}],"wp:attachment":[{"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/media?parent=2192"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pridio.com\/en\/wp-json\/wp\/v2\/tags?post=2192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}