{"id":7769,"date":"2018-03-11T08:48:46","date_gmt":"2018-03-11T08:48:46","guid":{"rendered":"https:\/\/kiencang.net\/?p=7769"},"modified":"2022-01-20T10:58:57","modified_gmt":"2022-01-20T03:58:57","slug":"cong-cu-seo-mien-phi","status":"publish","type":"post","link":"https:\/\/kiencang.net\/cong-cu-seo-mien-phi\/","title":{"rendered":"70 c\u00f4ng c\u1ee5 &#038; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t (\u0111\u01b0\u1ee3c b\u00ecnh ch\u1ecdn b\u1edfi c\u1ed9ng \u0111\u1ed3ng SEO)"},"content":{"rendered":"\n<p>B\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t danh s\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed s\u1ebd gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n? Th\u1ebf th\u00ec b\u1ea1n \u0111ang \u1edf \u0111\u00fang n\u01a1i r\u1ed3i!<\/p>\n\n\n\n<p>T\u00f4i \u0111\u00e3 h\u1ecfi c\u1ed9ng \u0111\u1ed3ng SEO tr\u00ean Reddit li\u1ec7t k\u00ea c\u00e1c c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed m\u00e0 h\u1ecd d\u00f9ng.<\/p>\n\n\n\n<p>V\u00e0 t\u00f4i \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1p l\u1ea1i c\u1ef1c k\u1ef3 nhi\u1ec7t t\u00ecnh.<\/p>\n\n\n\n<p>T\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c h\u01a1n 50 g\u1ee3i \u00fd v\u1ec1 c\u00f4ng c\u1ee5 SEO, v\u00e0 n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong c\u00e1c ch\u1ee7 \u0111\u1ec1 SEO \u0111\u01b0\u1ee3c quan t\u00e2m nh\u1ea5t tr\u00ean Reddit.<\/p>\n\n\n\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, t\u00f4i t\u1ed5ng h\u1ee3p c\u00e1c g\u1ee3i \u00fd v\u00e0 chia ch\u00fang ra th\u00e0nh 3 nh\u00f3m:<\/p>\n\n\n\n<ul><li>15 c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn;<\/li><li>38 c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed \u00edt \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn;<\/li><li>19 c\u00f4ng c\u1ee5 SEO &#8220;freemium&#8221; (m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng mi\u1ec5n ph\u00ed nh\u01b0ng \u0111\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n th\u00ec c\u1ea7n tr\u1ea3 ph\u00ed).<\/li><\/ul>\n\n\n\n<p>T\u00f4i c\u0169ng \u0111\u01b0a v\u00e0o m\u1ed9t v\u00e0i c\u00f4ng c\u1ee5 \u01b0a th\u00edch c\u1ee7a m\u00ecnh b\u00ean c\u1ea1nh c\u00e1c g\u1ee3i \u00fd c\u1ee7a m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n<p>N\u00e0o, ch\u00fang ta b\u1eaft \u0111\u1ea7u th\u00f4i!<\/p>\n\n\n\n<p><em>L\u01afU \u00dd. Ch\u00fang t\u00f4i mu\u1ed1n gi\u1eef danh s\u00e1ch n\u00e0y t\u01b0\u01a1i m\u1edbi, v\u00ec th\u1ebf b\u1ea1n h\u00e3y tho\u1ea3i m\u00e1i chia s\u1ebb b\u1ea5t k\u1ef3 c\u00f4ng c\u1ee5 n\u00e0o m\u00e0 b\u1ea1n th\u1ea5y ch\u00fang t\u00f4i b\u1ecf l\u1ee1, h\u00e3y vi\u1ebft comment nh\u00e9.<\/em><\/p>\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-6577d6feb79f2\" ><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-6577d6feb79f2\"  type=\"checkbox\" id=\"item-6577d6feb79f2\"><\/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\/cong-cu-seo-mien-phi\/#15_Cong_cu_phan_mem_SEO_mien_phi_tot_nhat\" title=\"15 C\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t\">15 C\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t<\/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\/cong-cu-seo-mien-phi\/#30_cong_cu_phan_mem_SEO_mien_phi_tot_nhat_it_duoc_biet_den\" title=\"30 c\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t \u00edt \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn\">30 c\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t \u00edt \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn<\/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\/cong-cu-seo-mien-phi\/#19_cong_cu_phan_mem_SEO_%E2%80%9CFreemium%E2%80%9D_tot_nhat\" title=\"19 c\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO &#8220;Freemium&#8221; t\u1ed1t nh\u1ea5t\">19 c\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO &#8220;Freemium&#8221; t\u1ed1t nh\u1ea5t<\/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\/cong-cu-seo-mien-phi\/#Vai_suy_nghi_cuoi_cung\" title=\"V\u00e0i suy ngh\u0129 cu\u1ed1i c\u00f9ng\">V\u00e0i suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"15_Cong_cu_phan_mem_SEO_mien_phi_tot_nhat\"><\/span>15 C\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nhi\u1ec1u ng\u01b0\u1eddi trong s\u1ed1 c\u00e1c b\u1ea1n \u0111\u00e3 quen thu\u1ed9c v\u1edbi nh\u1eefng c\u00f4ng c\u1ee5 nh\u01b0 v\u1eady r\u1ed3i.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/answer-the-public-seo-tools.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"903\" height=\"481\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/answer-the-public-seo-tools.gif\" alt=\"Answer the Public\" class=\"wp-image-7770\"\/><\/a><\/figure><\/div>\n\n\n\n<p>Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ch\u00fang kh\u00f4ng x\u1ee9ng \u0111\u00e1ng c\u00f3 m\u1eb7t trong danh s\u00e1ch n\u00e0y. Ch\u00fang v\u1eabn l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<p>V\u00e0 n\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft b\u1ea5t c\u1ee9 c\u00f4ng c\u1ee5 n\u00e0o trong s\u1ed1 ch\u00fang, h\u00e3y th\u1eed n\u00f3 xem sao.<\/p>\n\n\n\n<p>Ch\u00fang ch\u1eafc ch\u1eafn l\u00e0 c\u00e1c c\u00f4ng c\u1ee5 ch\u1ee7 y\u1ebfu c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi l\u00e0m SEO n\u00e0o.<\/p>\n\n\n\n<p>V\u00e0 d\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch (kh\u00f4ng theo th\u1ee9 t\u1ef1 c\u1ee5 th\u1ec3):<\/p>\n\n\n\n<p><a href=\"https:\/\/answerthepublic.com\/\"><strong>Answer the Public<\/strong><\/a> &#8211; T\u00ecm n\u1ea1p c\u00e1c truy v\u1ea5n t\u1ef1 \u0111i\u1ec1n c\u1ee7a Google v\u00e0 chia ch\u00fang ra th\u00e0nh nhi\u1ec1u danh s\u00e1ch. R\u1ea5t h\u1eefu d\u1ee5ng cho vi\u1ec7c kh\u00e1m ph\u00e1 c\u00e1c c\u00e2u h\u1ecfi m\u1ecdi ng\u01b0\u1eddi th\u1ef1c s\u1ef1 h\u1ecfi tr\u00ean Google (\u0111\u00e1ng ti\u1ebfc kh\u00f4ng h\u1ed7 tr\u1ee3 cho t\u1eeb kh\u00f3a ti\u1ebfng Vi\u1ec7t).<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/ubersuggest.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">UberSuggest<\/a>&nbsp;<\/strong>&#8211; T\u00ecm h\u00e0ng tr\u0103m \u00fd t\u01b0\u1edfng t\u1eeb kh\u00f3a t\u1eeb t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng (seed keyword). Kh\u00f4ng y\u00eau c\u1ea7u \u0111\u0103ng nh\u1eadp v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c t\u1eeb kh\u00f3a c\u00f3 th\u1ec3 xu\u1ea5t ra d\u1ea1ng CSV. Word cloud l\u00e0 t\u00ednh n\u0103ng kh\u00e1 th\u00fa v\u1ecb. (c\u0169ng kh\u00f4ng h\u1ed7 tr\u1ee3 ti\u1ebfng Vi\u1ec7t ch\u00ednh th\u1ee9c, nh\u01b0ng khi g\u00f5 t\u1eeb t\u1eeb kh\u00f3a ti\u1ebfng Vi\u1ec7t v\u00e0o b\u1ea1n v\u1eabn c\u00f3 th\u00f4ng tin).<\/p>\n\n\n\n<p>C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <a href=\"https:\/\/www.keyword.io\/\">Keyword.io<\/a>&nbsp;(c\u00f3 h\u1ed7 tr\u1ee3 t\u1eeb kh\u00f3a ti\u1ebfng Vi\u1ec7t) v\u00e0 <a href=\"http:\/\/tools.seochat.com\/tools\/suggest-tool\/\">Google Keyword Suggest Tool (cung c\u1ea5p b\u1edfi SEOChat.com)<\/a> c\u00f3 ch\u1ee9c n\u0103ng r\u1ea5t gi\u1ed1ng.<\/p>\n\n\n\n<p><a href=\"http:\/\/www.soovle.com\/\"><strong>Soovle<\/strong><\/a> &#8211; L\u1ea5y th\u00f4ng tin r\u00e2u ria t\u1eeb Google, Bing, Yahoo, Amazon, YouTube v\u00e0 Answers.com \u0111\u1ec3 t\u1ea1o ra h\u00e0ng tr\u0103m \u00fd t\u01b0\u1edfng t\u1eeb kh\u00f3a v\u1edbi t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng. L\u00e0 c\u00f4ng c\u1ee5 r\u1ea5t m\u1ea1nh m\u1ebd, m\u1eb7c d\u00f9 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u00e0m b\u1ea1n h\u01a1i kh\u00f3 quan s\u00e1t.<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 th\u00edch b\u00e0i vi\u1ebft <strong><a href=\"https:\/\/kiencang.net\/cong-cu-nghien-cuu-tu-khoa\/\">\u0111\u00e1nh gi\u00e1 chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 9 c\u00f4ng c\u1ee5 nghi\u00ean c\u1ee9u t\u1eeb kh\u00f3a<\/a><\/strong> v\u00f4 c\u00f9ng m\u1ea1nh m\u1ebd.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/www.hemingwayapp.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hemingway Editor<\/a><\/strong>&nbsp;&#8211; C\u1ea3i thi\u1ec7n&nbsp;<a href=\"https:\/\/kiencang.net\/cloze-test-doc-hieu\/\">kh\u1ea3 n\u0103ng \u0111\u1ecdc hi\u1ec3u<\/a> n\u1ed9i dung&nbsp;c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch l\u00e0m n\u1ed5i b\u1eadt c\u00e1c c\u00e2u kh\u00f3 \u0111\u1ecdc, c\u00e1c t\u1eeb kh\u00f3 &#8220;nh\u1eb1n&#8221; v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c. M\u1ed9t c\u00f4ng c\u1ee5 ph\u1ea3i c\u00f3 cho nh\u1eefng ng\u01b0\u1eddi vi\u1ebft blog (t\u00f4i c\u00f3 d\u00f9ng c\u00f4ng c\u1ee5 n\u00e0y).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hemmingway-editor.png\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"691\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hemmingway-editor.png\" alt=\"Hemingway Editor\" class=\"wp-image-7771\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hemmingway-editor.png 900w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hemmingway-editor-300x230.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hemmingway-editor-768x590.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hemmingway-editor-585x449.png 585w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/developer.chrome.com\/devtools\">Chrome Developer Tools<\/a>&nbsp;<\/strong>&#8211; \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 g\u1ee1 l\u1ed7i trang web t\u00edch h\u1ee3p trong Google Chrome. S\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 g\u1ee1 c\u00e1c l\u1ed7i v\u1ec1 t\u1ed1c \u0111\u1ed9 trang, c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng render trang v\u00e0 nhi\u1ec1u \u0111i\u1ec1u kh\u00e1c n\u1eefa. T\u1eeb quan \u0111i\u1ec3m SEO k\u1ef9 thu\u1eadt, n\u00f3 c\u00f3 v\u00f4 s\u1ed1 c\u00f4ng d\u1ee5ng.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/chrome-developer-tools.png\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"316\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/chrome-developer-tools.png\" alt=\"Chrome Developer Tools \" class=\"wp-image-7772\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/chrome-developer-tools.png 900w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/chrome-developer-tools-300x105.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/chrome-developer-tools-768x270.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/chrome-developer-tools-585x205.png 585w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"http:\/\/beamusup.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Beam Us Up<\/a>&nbsp;<\/strong>&#8211; \u0110\u00e2y l\u00e0 ph\u1ea7n m\u1ec1m SEO crawling. C\u00f4ng c\u1ee5 thay th\u1ebf r\u1ea5t t\u1ed1t cho Screaming Frog. T\u00edch h\u1ee3p v\u1edbi Excel v\u00e0 Google Drive. Ch\u1ec9 c\u00f3 phi\u00ean b\u1ea3n cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/adwords.google.com\/home\/tools\/keyword-planner\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google Keyword Planner<\/a><\/strong><strong>&nbsp;\/&nbsp;<\/strong><strong><a href=\"https:\/\/trends.google.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Trends<\/a><\/strong><strong>&nbsp;\/&nbsp;<\/strong><strong><a href=\"https:\/\/www.google.com\/webmasters\/tools\/\" target=\"_blank\" rel=\"noopener noreferrer\">Webmaster Tools<\/a><\/strong><strong>&nbsp;\/&nbsp;<\/strong><strong><a href=\"https:\/\/www.google.com\/analytics\/\" target=\"_blank\" rel=\"noopener noreferrer\">Analytics<\/a><\/strong><strong>&nbsp;\/&nbsp;<\/strong><strong><a href=\"https:\/\/www.google.com\/sheets\/about\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sheets<\/a>&nbsp;<\/strong>&#8211;<b>&nbsp;<\/b>C\u00f4ng c\u1ee5 b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng cho t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi l\u00e0m SEO.&nbsp; T\u00ecm v\u00e0 nghi\u00ean c\u1ee9u t\u1eeb kh\u00f3a (Keyword Planner) v\u00e0 x\u00e1c \u0111\u1ecbnh xu h\u01b0\u1edbng (Trends). X\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda c\u00e1c l\u1ed7i c\u1ee7a website (Webmaster Tools). Ph\u00e2n t\u00edch c\u00e1ch m\u1ecdi ng\u01b0\u1eddi gh\u00e9 th\u0103m trang web c\u1ee7a b\u1ea1n, h\u1ecd l\u00e0 ai, v\u00e0 h\u1ecd \u0111\u1ebfn t\u1eeb \u0111\u00e2u (Analystics). Thu th\u1eadp, x\u1eed l\u00fd v\u00e0 ph\u00e2n t\u00edch t\u1ea5t c\u1ea3 c\u00e1c ki\u1ec3u d\u1eef li\u1ec7u li\u00ean quan \u0111\u1ebfn SEO.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-majestic-seo-google-trends.png\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"648\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-majestic-seo-google-trends.png\" alt=\"Google Keyword Planner \/ Trends \/ Webmaster Tools \/ Analytics \/ Sheets\" class=\"wp-image-7773\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-majestic-seo-google-trends.png 900w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-majestic-seo-google-trends-300x216.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-majestic-seo-google-trends-768x553.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-majestic-seo-google-trends-585x421.png 585w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/www.bing.com\/toolbox\/webmaster\" target=\"_blank\" rel=\"noopener noreferrer\">Bing Webmaster Tools<\/a><\/strong>&nbsp;&#8211; B\u1ed9 c\u00f4ng c\u1ee5 ch\u00ednh th\u1ee9c c\u1ee7a Bing d\u00e0nh cho webmaster. R\u1ea5t gi\u1ed1ng Google Webmaster Tools. Th\u00eam sitemap, x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi c\u00e1c trang web, v\u00e2n v\u00e2n.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/metrica.yandex.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Yandex Metrica<\/a><\/strong>&nbsp;&#8211; Ph\u1ea7n m\u1ec1m ph\u00e2n t\u00edch web mi\u1ec5n ph\u00ed 100%. Bao g\u1ed3m heat maps, ph\u00e2n t\u00edch form, s\u1ef1 h\u1ed3i \u0111\u00e1p trong c\u00e1c phi\u00ean, v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c b\u1ea1n th\u01b0\u1eddng kh\u00f4ng th\u1ea5y trong c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"30_cong_cu_phan_mem_SEO_mien_phi_tot_nhat_it_duoc_biet_den\"><\/span>30 c\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t \u00edt \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ch\u1ec9 b\u1edfi m\u1ed9t c\u00f4ng c\u1ee5 n\u00e0o \u0111\u00f3 kh\u00f4ng ph\u1ed5 bi\u1ebfn kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng c\u00f3 \u00edch.<\/p>\n\n\n\n<p>R\u1ea5t nhi\u1ec1u c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed r\u1ea5t t\u1ed1t nh\u01b0ng l\u1ea1i \u00edt ng\u01b0\u1eddi \u0111\u1ec3 \u00fd.<\/p>\n\n\n\n<p>L\u1ea5y v\u00ed d\u1ee5, hai trong s\u1ed1 c\u00f4ng c\u1ee5 \u01b0a th\u00edch c\u1ee7a t\u00f4i l\u00e0 <a href=\"https:\/\/chrome.google.com\/webstore\/detail\/ginfinity\/dgomfdmdnjbnfhodggijhpbmkgfabcmn\">gInfinity (ti\u1ec7n \u00edch m\u1edf r\u1ed9ng c\u1ee7a Chrome)<\/a>&nbsp;v\u00e0&nbsp;<a href=\"https:\/\/www.chrisains.com\/seo-tools\/extract-urls-from-web-serps\/\" target=\"_blank\" rel=\"noopener noreferrer\">Chris Ainsworth\u2019s SERPs extraction bookmarklet<\/a>.<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p hai c\u00f4ng c\u1ee5 tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 xu\u1ea5t ra r\u1ea5t nhi\u1ec1u trang tr\u00ean SERPs (v\u1edbi c\u00e1c th\u1ebb ti\u00eau \u0111\u1ec1 + m\u00f4 t\u1ea3) trong v\u00e0i gi\u00e2y.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/gInfinity.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"795\" height=\"330\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/gInfinity.gif\" alt=\"gInfinity\" class=\"wp-image-7774\"\/><\/a><\/figure><\/div>\n\n\n\n<p>Nh\u01b0ng c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y r\u1ea5t \u00edt khi \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp b\u1edfi nh\u1eefng ng\u01b0\u1eddi l\u00e0m SEO kh\u00e1c.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 30 c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t (kh\u00f4ng theo th\u1ee9 t\u1ef1 c\u1ee5 th\u1ec3):<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/www.keywordmixer.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Keyword Mixer<\/a><\/strong><strong>&nbsp;<\/strong>&#8211; K\u1ebft h\u1ee3p c\u00e1c t\u1eeb kh\u00f3a hi\u1ec7n c\u00f3 c\u1ee7a b\u1ea1n trong c\u00e1c c\u00e1ch th\u1ee9c kh\u00e1c nhau \u0111\u1ec3 c\u1ed1 g\u1eafng v\u00e0 t\u00ecm ra c\u00e1c thay th\u1ebf t\u1ed1t h\u01a1n. N\u00f3 c\u0169ng h\u1eefu \u00edch trong vi\u1ec7c lo\u1ea1i b\u1ecf t\u1eeb kh\u00f3a tr\u00f9ng l\u1eafp trong danh s\u00e1ch c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>L\u01b0u \u00fd: <a href=\"http:\/\/mergewords.com\/\">MergeWords<\/a>&nbsp;c\u00f3 t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 m\u1eb7c d\u00f9 v\u1edbi UI (giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng) s\u00e1ng s\u1ee7a h\u01a1n. D\u1ea7u v\u1eady, n\u00f3 kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn lo\u1ea1i b\u1ecf tr\u00f9ng l\u1eafp kh\u1ecfi danh s\u00e1ch.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/mergewords.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"859\" height=\"381\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/mergewords.gif\" alt=\"MergeWords\" class=\"wp-image-7775\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"http:\/\/keywordshitter.com\/\">Keyword Shitter<\/a><\/strong> &#8211; T\u1ea1o ra h\u00e0ng tr\u0103m v\u00e0 h\u00e0ng ng\u00e0n g\u1ee3i \u00fd t\u1eeb kh\u00f3a t\u1eeb danh s\u00e1ch t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c t\u1eeb kh\u00f3a g\u1ee3i \u00fd d\u01b0\u1edbi d\u1ea1ng file .txt (kh\u00f4ng y\u00eau c\u1ea7u \u0111\u0103ng nh\u1eadp). C\u00f4ng c\u1ee5 n\u00e0y l\u00e0m vi\u1ec7c t\u1ed1t v\u1edbi ti\u1ebfng Vi\u1ec7t.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/Keyword-Shitter.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1062\" height=\"312\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/Keyword-Shitter.gif\" alt=\"Keyword Shitter\" class=\"wp-image-7776\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/lsigraph.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">LSIgraph.com<\/a><\/strong>&nbsp;&#8211; Latent Sematic Indexing (LSI) &#8211; <a href=\"https:\/\/kiencang.net\/tu-khoa-lsi-la-gi\/\">Ch\u1ec9 m\u1ee5c Ng\u1eef ngh\u0129a Ti\u1ec1m \u1ea9n<\/a> \/ c\u00f4ng c\u1ee5 t\u1ea1o ra c\u00e1c t\u1eeb kh\u00f3a. Nh\u1eadp v\u00e0o t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng, v\u00e0 n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t danh s\u00e1ch c\u00e1c t\u1eeb kh\u00f3a LSI (v\u00ed d\u1ee5 t\u1eeb kh\u00f3a v\u00e0 ch\u1ee7 \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng c\u1ee7a b\u1ea1n &#8211; c\u00f4ng c\u1ee5 n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi t\u1eeb kh\u00f3a ti\u1ebfng Vi\u1ec7t).&nbsp;<a href=\"https:\/\/textoptimizer.com\/o\" target=\"_blank\" rel=\"noopener noreferrer\">TextOptimizer<\/a>&nbsp;l\u00e0 c\u00f4ng c\u1ee5 kh\u00e1c c\u00f3 t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/LSIgraph.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"934\" height=\"393\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/LSIgraph.gif\" alt=\"LSIgraph.com\" class=\"wp-image-7777\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/serps.com\/tools\/keyword-research\/\" target=\"_blank\" rel=\"noopener noreferrer\">SERPs.com\u2019s Keyword Research Tool<\/a><\/strong><strong>&nbsp;<\/strong>&#8211;&nbsp;T\u00ecm h\u00e0ng ng\u00e0n t\u1eeb kh\u00f3a trong v\u00e0i gi\u00e2y. N\u00f3 c\u0169ng cho b\u1ea1n kh\u1ea3 n\u0103ng l\u1ecdc v\u00e0 xu\u1ea5t ch\u00fang ra \u0111\u1ecbnh d\u1ea1ng CSV (kh\u00f4ng y\u00eau c\u1ea7u \u0111\u0103ng k\u00fd). R\u1ea5t ti\u1ebfc c\u00f4ng c\u1ee5 n\u00e0y kh\u00f4ng h\u1ed7 tr\u1ee3 cho t\u1eeb kh\u00f3a ti\u1ebfng Vi\u1ec7t.<\/p>\n\n\n\n<p>L\u01b0u \u00fd: C\u00f3 m\u1ed9t <a href=\"http:\/\/tools.seobook.com\/keyword-tools\/seobook\/\">c\u00f4ng c\u1ee5 kh\u00e1c t\u01b0\u01a1ng t\u1ef1 do SEOBook ph\u00e1t tri\u1ec3n<\/a>.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/smallseotools.com\/plagiarism-checker\/\" target=\"_blank\" rel=\"noopener noreferrer\">Small&nbsp;<span class=\"caps\">SEO<\/span>&nbsp;Tools Plagiarism Checker<\/a><\/strong>&nbsp;&#8211; Ph\u00e1t hi\u1ec7n \u0111\u1ea1o v\u0103n b\u1eb1ng c\u00e1ch qu\u00e9t h\u00e0ng t\u1ef7 t\u00e0i li\u1ec7u tr\u00ean web. R\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c t\u00ecm ra nh\u1eefng ai copy n\u1ed9i dung c\u1ee7a b\u1ea1n nh\u01b0ng kh\u00f4ng \u0111\u1ec3 l\u1ea1i ngu\u1ed3n d\u1eabn.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/totheweb.com\/learning_center\/tool-test-google-title-meta-description-lengths\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google&nbsp;<span class=\"caps\">SERP<\/span>&nbsp;Snippet Optimization Tool<\/a><\/strong><strong>&nbsp; <\/strong>&#8211;<strong>&nbsp;<\/strong>X\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u00e1c <a href=\"https:\/\/kiencang.net\/the-tieu-de-seo\/\">th\u1ebb meta ti\u00eau \u0111\u1ec1<\/a> v\u00e0 <a href=\"https:\/\/kiencang.net\/the-meta-description\/\">descriptions<\/a> b\u1ecb c\u1eaft ng\u1eafn. C\u0169ng nh\u01b0 vi\u1ec7c t\u1ea1o ra b\u1ea3n xem tr\u01b0\u1edbc v\u1ec1 c\u00e1ch trang web c\u1ee7a b\u1ea1n hi\u1ec3n th\u1ecb tr\u00ean k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm c\u1ee7a Google&nbsp;(<a href=\"http:\/\/www.seomofo.com\/snippet-optimizer.html\" target=\"_blank\" rel=\"noopener noreferrer\">c\u00f4ng c\u1ee5 n\u00e0y c\u1ee7a SEOMofo.com<\/a>&nbsp;c\u0169ng c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1).<\/p>\n\n\n\n<p>L\u01b0u \u00fd:&nbsp;<a href=\"https:\/\/coschedule.com\/headline-analyzer\" target=\"_blank\" rel=\"noopener noreferrer\">CoSchedule\u2019s Headline Analyzer<\/a>&nbsp;c\u0169ng cho b\u1ea1n th\u1ea5y c\u00e1ch th\u1ebb ti\u00eau \u0111\u1ec1 c\u1ee7a b\u1ea1n tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o tr\u00ean SERP, th\u00eam v\u00e0o \u0111\u00f3 n\u00f3 \u0111\u01b0a cho b\u1ea1n l\u1eddi khuy\u00ean v\u1ec1 c\u00e1ch c\u1ea3i thi\u1ec7n ti\u00eau \u0111\u1ec1 v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u click h\u01a1n (\u0111\u00e1ng ti\u1ebfc kh\u00f4ng l\u00e0m vi\u1ec7c t\u1ed1t v\u1edbi ti\u1ebfng Vi\u1ec7t).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-seo-tips-google.png\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"310\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-seo-tips-google.png\" alt=\"\" class=\"wp-image-7779\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-seo-tips-google.png 900w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-seo-tips-google-300x103.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-seo-tips-google-768x265.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ahrefs-seo-tips-google-585x202.png 585w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"http:\/\/www.seoreviewtools.com\/bulk-web-page-word-count-checker\/\" target=\"_blank\" rel=\"noopener noreferrer\">Bulk Webpage Word Counter (by&nbsp;<span class=\"caps\">SEO<\/span>&nbsp;Review Tools)<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 gi\u00fap ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng t\u1eeb c\u1ee7a m\u1ed9t b\u00e0i vi\u1ebft; n\u00f3 c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed3ng th\u1eddi 10 URL, ngo\u00e0i ra n\u00f3 c\u00f2n cung c\u1ea5p th\u00eam th\u00f4ng tin s\u1ed1 l\u01b0\u1ee3ng t\u1eeb l\u00e0 <a href=\"https:\/\/kiencang.net\/van-ban-neo\/\">v\u0103n b\u1ea3n neo<\/a>.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/www.seo-hero.tech\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"caps\">SEO<\/span>&nbsp;Hero<\/a><\/strong>&nbsp;&#8211; N\u00f3 t\u00ecm c\u00e1c t\u1eeb kh\u00f3a LSI \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 th\u00eam v\u00e0o n\u1ed9i dung c\u1ee7a m\u00ecnh qua \u0111\u00f3 l\u00e0m gia t\u0103ng t\u00ednh li\u00ean quan.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.ranktank.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">RankTank.org<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 SEO &#8220;DIY&#8221; m\u00e3 ngu\u1ed3n m\u1edf x\u00e2y d\u1ef1ng trong Google Sheets.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/isearchfrom.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">iSearchFrom.com<\/a><\/strong>&nbsp;&#8211; Gi\u1ea3 l\u1eadp vi\u1ec7c s\u1eed d\u1ee5ng Google t\u00ecm ki\u1ebfm \u1edf b\u1ea5t c\u1ee9 \u0111\u1ecba \u0111i\u1ec3m, thi\u1ebft b\u1ecb ho\u1eb7c ng\u00f4n ng\u1eef n\u00e0o. B\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh m\u1ecdi th\u1ee9 t\u1eeb thi\u1ebft l\u1eadp SafeSearch cho t\u1edbi t\u00ecm ki\u1ebfm c\u00e1 nh\u00e2n.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ISearchFrom.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"873\" height=\"548\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ISearchFrom.gif\" alt=\"iSearchFrom\" class=\"wp-image-7793\"\/><\/a><\/figure>\n\n\n\n<p><strong><a href=\"https:\/\/delim.co\/\" target=\"_blank\" rel=\"noopener noreferrer\">Delim.co<\/a><\/strong>&nbsp;&#8211; Chuy\u1ec3n \u0111\u1ed5i m\u1ed9t danh s\u00e1ch ph\u00e2n c\u00e1ch b\u1eb1ng d\u1ea5u ph\u1ea9y (v\u00ed d\u1ee5 CSV) trong v\u00e0i gi\u00e2y. N\u00f3 kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 c\u00f4ng c\u1ee5 SEO cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi nh\u01b0ng r\u1ea5t h\u1eefu d\u1ee5ng cho b\u1ea5t c\u1ee9 ng\u01b0\u1eddi l\u00e0m SEO n\u00e0o li\u00ean quan \u0111\u1ebfn c\u00e1c t\u00e1c v\u1ee5 n\u00e0y.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/dropmylink.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Drop My Link<\/a><\/strong>&nbsp;&#8211; K\u1ebft h\u1ee3p t\u1eeb kh\u00f3a c\u1ee7a b\u1ea1n v\u1edbi c\u00e1c to\u00e1n t\u1eed <a href=\"https:\/\/kiencang.net\/tim-kiem-nang-cao-google\/\">t\u00ecm ki\u1ebfm n\u00e2ng cao<\/a> \u0111\u1ec3 t\u00ecm ra c\u00e1c <a href=\"https:\/\/kiencang.net\/xay-dung-lien-ket\/\">c\u01a1 h\u1ed9i x\u00e2y d\u1ef1ng li\u00ean k\u1ebft<\/a>. R\u1ea5t h\u1eefu d\u1ee5ng trong vi\u1ec7c t\u00ecm ki\u1ebfm c\u00e1c c\u01a1 h\u1ed9i guest post (b\u00e0i \u0111\u0103ng c\u1ee7a kh\u00e1ch tr\u00ean trang c\u1ee7a m\u00ecnh), c\u00e1c trang ngu\u1ed3n\/li\u00ean k\u1ebft, link roundups (c\u00e1i b\u00e0i vi\u1ebft t\u1ed1t nh\u1ea5t trong m\u1ed9t l\u0129nh v\u1ef1c n\u00e0o \u0111\u00f3), v\u00e2n v\u00e2n.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/www.keyworddit.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Keyworddit<\/a><\/strong>&nbsp;&#8211; Tr\u00edch xu\u1ea5t c\u00e1c t\u1eeb kh\u00f3a v\u00e0 c\u1ee5m t\u1eeb c\u00f3 t\u1ea7n su\u1ea5t s\u1eed d\u1ee5ng cao nh\u1ea5t t\u1eeb b\u1ea5t c\u1ee9 ti\u1ec3u m\u1ee5c n\u00e0o c\u1ee7a Reddit. N\u00f3 c\u0169ng cung c\u1ea5p kh\u1ed1i l\u01b0\u1ee3ng t\u00ecm ki\u1ebfm h\u00e0ng th\u00e1ng cho m\u1ed7i t\u1eeb kh\u00f3a.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/keyworddit.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"916\" height=\"391\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/keyworddit.gif\" alt=\"Keyworddit\" class=\"wp-image-7792\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/whatdoesmysitecost.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">What does my site cost?<\/a><\/strong>&nbsp;&#8211; Cho b\u1ea1n bi\u1ebft ai \u0111\u00f3 s\u1ebd t\u1ed1n bao nhi\u00eau ti\u1ec1n khi gh\u00e9 th\u0103m trang web c\u1ee7a b\u1ea1n tr\u00ean m\u1ea1ng di \u0111\u1ed9ng t\u1ea1i c\u00e1c n\u01a1i kh\u00e1c nhau tr\u00ean th\u1ebf gi\u1edbi. R\u1ea5t c\u00f3 \u00fd ngh\u0129a v\u1edbi nh\u1eefng ai \u0111\u00e3 quen s\u1eed d\u1ee5ng m\u1ea1ng duy\u1ec7t web c\u00f3 t\u1ed1c \u0111\u1ed9 cao 50mbps + 4G kh\u00f4ng gi\u1edbi h\u1ea1n nh\u01b0 t\u00f4i.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/supple.com.au\/tools\/check-persistent-connection\/\" target=\"_blank\" rel=\"noopener noreferrer\">Keep-alive Validation&nbsp;<span class=\"caps\">SEO<\/span>&nbsp;Tool<\/a><\/strong>&nbsp;&#8211; Ki\u1ec3m tra xem m\u1ed9t website (ho\u1eb7c danh s\u00e1ch websites) c\u00f3 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i li\u00ean t\u1ee5c hay kh\u00f4ng? Nh\u1eefng website c\u00f3 \u0111\u1eb7c t\u00ednh n\u00e0y n\u00f3i chung t\u1ea3i nhanh h\u01a1n so v\u1edbi c\u00e1c trang kh\u00f4ng c\u00f3.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/ami.responsivedesign.is\/\" target=\"_blank\" rel=\"noopener noreferrer\">Am I Responsive?<\/a><\/strong>&nbsp;&#8211; Ki\u1ec3m tra t\u00ednh \u0111\u00e1p \u1ee9ng c\u1ee7a website b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb trang web tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o tr\u00ean <em>desktop, laptop, tablet v\u00e0 di \u0111\u1ed9ng<\/em>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ami-responsive.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"966\" height=\"672\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/ami-responsive.gif\" alt=\"Am I Responsive? \" class=\"wp-image-7791\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/headmasterseo.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">HEADMasterSEO<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 \u0111\u01a1n gi\u1ea3n ki\u1ec3m tra h\u00e0ng lo\u1ea1t m\u00e3 tr\u1ea1ng th\u00e1i (v\u00ed d\u1ee5, 200, 301, 404, v\u00e2n v\u00e2n) v\u00e0 chuy\u1ec3n h\u01b0\u1edbng. N\u00f3 c\u0169ng ki\u1ec3m tra th\u1eddi gian ph\u1ea3n h\u1ed3i, ph\u1ea3n h\u1ed3i c\u1ee7a headers, v\u00e0 tr\u01b0\u1eddng HTTP header (X-Robots-Tag, Link, Vary). Bao g\u1ed3m c\u1ea3 l\u1ecdc v\u00e0 h\u00e0ng lo\u1ea1t c\u00e1c ch\u1ee9c n\u0103ng n\u00e2ng cao kh\u00e1c.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.serplab.co.uk\/\" target=\"_blank\" rel=\"noopener noreferrer\">SERPLab<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 ki\u1ec3m tra mi\u1ec5n ph\u00ed th\u1ee9 h\u1ea1ng tr\u00ean Google. C\u1eadp nh\u1eadt \u0111\u1ebfn 50 t\u1eeb kh\u00f3a m\u1ed9t l\u1ea7n trong 24 gi\u1edd.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/varvy.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Varvy<\/a><\/strong>&nbsp;&#8211; Ki\u1ec3m tra xem li\u1ec7u trang web c\u00f3 tu\u00e2n th\u1ee7 c\u00e1c khuy\u1ebfn ngh\u1ecb c\u1ee7a Google hay kh\u00f4ng. N\u1ebfu trang web c\u1ee7a b\u1ea1n kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n, n\u00f3 s\u1ebd n\u00f3i cho b\u1ea1n bi\u1ebft \u0111i\u1ec1u g\u00ec c\u1ea7n s\u1eeda l\u1ea1i.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/varvy.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"962\" height=\"495\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/varvy.gif\" alt=\"Varvy\" class=\"wp-image-7790\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/www.jamesdflynn.com\/json-ld-schema-generator\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"caps\">JSON-LD<\/span>&nbsp;Schema Generator<\/a><\/strong>&nbsp;&#8211; T\u1ea1o ra m\u00e3 \u0111\u00e1nh d\u1ea5u JSON-LD. N\u00f3 hi\u1ec7n h\u1ed7 tr\u1ee3 s\u00e1u ki\u1ec3u m\u00e3 \u0111\u00e1nh d\u1ea5u, bao g\u1ed3m: <em>s\u1ea3n ph\u1ea9m, doanh nghi\u1ec7p \u0111\u1ecba ph\u01b0\u01a1ng, s\u1ef1 ki\u1ec7n <\/em>v\u00e0<em> t\u1ed5 ch\u1ee9c<\/em>.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/smo.knowem.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">KnowEm Social Media Optimizer<\/a><\/strong>&nbsp;&#8211; Ph\u00e2n t\u00edch trang web c\u1ee7a b\u1ea1n \u0111\u1ec3 xem xem n\u00f3 c\u00f3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a t\u1ed1t cho vi\u1ec7c chia s\u1ebb tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i hay kh\u00f4ng. N\u00f3 ki\u1ec3m tra c\u00e1c m\u00e3 \u0111\u00e1nh d\u1ea5u t\u1eeb Facebook, Google+, Twitter v\u00e0 LinkedIn.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/wheregoes.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Where Goes?<\/a><\/strong>&nbsp;&#8211; Cho b\u1ea1n th\u1ea5y to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a vi\u1ec7c l\u00e0m m\u1edbi th\u1ebb meta v\u00e0 chuy\u1ec3n h\u01b0\u1edbng cho b\u1ea5t c\u1ee9 URL n\u00e0o. R\u1ea5t h\u1eefu d\u1ee5ng cho vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 li\u00ean k\u1ebft (v\u00ed d\u1ee5 chu\u1ed7i chuy\u1ec3n h\u01b0\u1edbng ph\u1ee9c t\u1ea1p).<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/supple.com.au\/tools\/google-review-link-generator\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google Business Review Link Generator<\/a><\/strong>&nbsp;&#8211; T\u1ea1o ra m\u1ed9t li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp t\u1edbi danh m\u1ee5c Google Business c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn gi\u1eefa m\u1ed9t li\u00ean k\u1ebft t\u1edbi t\u1ea5t c\u1ea3 c\u00e1c \u0111\u00e1nh gi\u00e1 tr\u00ean Google hi\u1ec7n c\u00f3, ho\u1eb7c t\u1edbi m\u1ed9t h\u1ed9p \u0111\u00e3 \u0111i\u1ec1n s\u1eb5n 5-sao r\u1ed3i.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/detailed.com\/search\/\" target=\"_blank\" rel=\"noopener noreferrer\">Search&nbsp;<span class=\"amp\">&amp;<\/span>&nbsp;Extract Twitter Users<\/a>&nbsp;<\/strong><strong>+&nbsp;<\/strong><strong><a href=\"https:\/\/detailed.com\/influence\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u201cFind Influencers in Any Niche\u201d<\/a><\/strong>&nbsp;&#8211; T\u00ecm nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u1ea3nh h\u01b0\u1edfng xem h\u1ecd chia s\u1ebb b\u1ea5t c\u1ee9 n\u1ed9i dung n\u00e0o tr\u00ean Twitter trong 7 ng\u00e0y qua. C\u0169ng h\u1eefu \u00edch trong vi\u1ec7c t\u00ecm ki\u1ebfm nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e3 chia s\u1ebb n\u1ed9i dung t\u1eeb m\u1ed9t t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3. Ho\u1eb7c v\u1ec1 m\u1ed9t ch\u1ee7 \u0111\u1ec1 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p>L\u01b0u \u00fd: C\u00f4ng c\u1ee5 n\u00e0y ph\u00e2n t\u00edch 2 ng\u00e0n tweets g\u1ea7n \u0111\u00e2y nh\u1ea5t c\u1ee7a b\u1ea5t c\u1ee9 t\u00e0i kho\u1ea3n Twitter n\u00e0o \u0111\u1ec3 xem ai \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi \u0111\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"19_cong_cu_phan_mem_SEO_%E2%80%9CFreemium%E2%80%9D_tot_nhat\"><\/span>19 c\u00f4ng c\u1ee5 &amp; ph\u1ea7n m\u1ec1m SEO &#8220;Freemium&#8221; t\u1ed1t nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 SEO &#8220;l\u1edbn nh\u1ea5t&#8221; \u0111\u1ec1u c\u00f3 g\u00f3i &#8220;freemium&#8221;.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 cung c\u1ea5p gi\u1edbi h\u1ea1n th\u1eddi gian s\u1eed d\u1ee5ng v\u1edbi gi\u00e1 d\u00f9ng th\u1eed th\u1ea5p ho\u1eb7c mi\u1ec5n ph\u00ed (v\u00ed d\u1ee5 nh\u01b0 <a href=\"https:\/\/ahrefs.com\/pricing\">Ahrefs<\/a>). M\u1ed9t s\u1ed1 kh\u00e1c \u0111\u01a1n gi\u1ea3n cung c\u1ea5p kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng b\u1ecb gi\u1edbi h\u1ea1n t\u00ednh n\u0103ng m\u00e3i m\u00e3i (v\u00ed d\u1ee5 nh\u01b0 <a href=\"https:\/\/moz.com\/researchtools\/ose\/\">Moz&#8217;s OSE<\/a>).<\/p>\n\n\n\n<p>V\u00e0 khi ch\u00fang t\u00f4i n\u00f3i <em>gi\u1edbi h\u1ea1n<\/em>, n\u00f3 th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 b\u1ecb <em>gi\u1edbi h\u1ea1n r\u1ea5t nhi\u1ec1u<\/em>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/moz-pro-limits.png\"><img loading=\"lazy\" decoding=\"async\" width=\"901\" height=\"231\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/moz-pro-limits.png\" alt=\"moz-pro-limits\" class=\"wp-image-7780\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/moz-pro-limits.png 901w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/moz-pro-limits-300x77.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/moz-pro-limits-768x197.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/moz-pro-limits-585x150.png 585w\" sizes=\"(max-width: 901px) 100vw, 901px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><em>L\u01b0u \u00fd. T\u1ea1i Ahrefs, ch\u00fang t\u00f4i cung c\u1ea5p g\u00f3i d\u00f9ng th\u1eed 7 USD cho 7 ng\u00e0y. N\u1ebfu b\u1ea1n ch\u1ecdn kh\u00f4ng s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m sau khi k\u1ebft th\u00fac tr\u1ea3i nghi\u1ec7m, ch\u00fang t\u00f4i s\u1ebd chuy\u1ec3n g\u00f3i c\u1ee7a b\u1ea1n xu\u1ed1ng t\u00e0i kho\u1ea3n mi\u1ec5n ph\u00ed.<\/em><\/p>\n\n\n\n<p>V\u00ec c\u00f3 h\u00e0ng ng\u00e0n c\u00f4ng c\u1ee5 &#8220;freemium&#8221;, ch\u00fang t\u00f4i c\u1ed1 g\u1eafng ch\u1ec9 \u0111\u1ec1 c\u1eadp m\u1ed7i ki\u1ec3u m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ec3 tr\u00e1nh tr\u00f9ng l\u1eb7p.<\/p>\n\n\n\n<p>T\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng, m\u1ed7i ng\u01b0\u1eddi l\u00e0m SEO chuy\u00ean nghi\u1ec7p s\u1ebd s\u1eed d\u1ee5ng \u00edt nh\u1ea5t 3 &#8211; 4 c\u00f4ng c\u1ee5 trong ph\u1ea7n n\u00e0y. V\u00ec m\u1ed9t s\u1ed1 t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c n\u1ebfu kh\u00f4ng c\u00f3 ch\u00fang.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00f4ng c\u1ee5 SEO &#8220;freemium&#8221; t\u1ed1t nh\u1ea5t (m\u1ed9t l\u1ea7n n\u1eefa, n\u00f3 kh\u00f4ng s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 c\u1ee5 th\u1ec3):<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/ahrefs.com\/\">Ahrefs<\/a><\/strong> &#8211; C\u00f4ng c\u1ee5 SEO t\u1ea5t c\u1ea3 trong m\u1ed9t h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh. S\u1eed d\u1ee5ng Site Explorer \u0111\u1ec3 ki\u1ec3m tra backlinks, Keywords Explorer \u0111\u1ec3 <a href=\"https:\/\/kiencang.net\/nghien-cuu-tu-khoa-az\/\">nghi\u00ean c\u1ee9u t\u1eeb kh\u00f3a<\/a>, v\u00e0 Content Explorer \u0111\u1ec3 nghi\u00ean c\u1ee9u n\u1ed9i dung. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 Rank Tracker \u0111\u1ec3 theo d\u00f5i th\u1ee9 h\u1ea1ng v\u00e0 nhi\u1ec1u c\u00f4ng c\u1ee5 kh\u00e1c. V\u1edbi Ahrefs t\u00f4i c\u00f3 r\u1ea5t nhi\u1ec1u b\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y, v\u00ed d\u1ee5 b\u00e0i <a href=\"https:\/\/kiencang.net\/chi-so-seo-ahrefs\/\">c\u00e1c ch\u1ec9 s\u1ed1 SEO c\u1ee7a Ahrefs &amp; \u00fd ngh\u0129a c\u1ee7a n\u00f3<\/a>. C\u00e1 nh\u00e2n ng\u01b0\u1eddi d\u1ecbch c\u0169ng c\u00f3 m\u1ed9t b\u00e0i vi\u1ebft chi ti\u1ebft <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-ahrefs\/\">h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Ahrefs \u0111\u1ec3 h\u1ed7 tr\u1ee3 SEO to\u00e0n di\u1ec7n cho website<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/Ahrefs.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"943\" height=\"431\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/Ahrefs.gif\" alt=\"Ahrefs\" class=\"wp-image-7781\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/www.similarweb.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">SimilarWeb<\/a><\/strong>&nbsp;&#8211; \u01af\u1edbc t\u00ednh c\u00e1c ch\u1ec9 s\u1ed1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a g\u1ea7n nh\u01b0 m\u1ecdi website. N\u00f3 c\u0169ng n\u00f3i cho b\u1ea1n bi\u1ebft ngu\u1ed3n traffic \u0111\u1ebfn t\u1eeb \u0111\u00e2u (v\u00ed d\u1ee5, t\u1ef1 nhi\u00ean, tr\u1ea3 ti\u1ec1n, v\u00e2n v\u00e2n) v\u00e0 th\u1eadm ch\u00ed li\u1ec7t k\u00ea c\u00e1c t\u00ean mi\u1ec1n tr\u1ecf \u0111\u1ebfn h\u00e0ng \u0111\u1ea7u. C\u00f4ng c\u1ee5 r\u1ea5t m\u1ea1nh \u0111\u1ec3 nghi\u00ean c\u1ee9u \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/readable.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Readable<\/a><\/strong>&nbsp;&#8211; Ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng d\u1ec5 \u0111\u1ecdc c\u1ee7a n\u1ed9i dung v\u00e0 gi\u00fap b\u1ea1n c\u1eaft b\u1ecf c\u00e1c \u0111o\u1ea1n th\u1eeba m\u1ee9a. N\u00f3 ki\u1ec3m tra \u0111a d\u1ea1ng c\u00e1c \u0111i\u1ec3m s\u1ed1 v\u1ec1 kh\u1ea3 n\u0103ng d\u1ec5 \u0111\u1ecdc (nh\u01b0 Flesch-Kincaid, Gunnung Fog, v\u00e2n v\u00e2n), th\u00e0nh ph\u1ea7n v\u0103n b\u1ea3n v\u00e0 nhi\u1ec1u c\u00e1i kh\u00e1c.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/publicwww.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">PublicWWW<\/a><\/strong>&nbsp;&#8211; T\u00ecm ki\u1ebfm c\u00e1c trang web d\u1ef1a tr\u00ean m\u00e3 ngu\u1ed3n c\u1ee7a n\u00f3 (Google t\u00ecm ki\u1ebfm website d\u1ef1a tr\u00ean n\u1ed9i dung, c\u00e1i n\u00e0y l\u00e0 d\u1ef1a tr\u00ean m\u00e3 ngu\u1ed3n). H\u1eefu \u00edch trong vi\u1ec7c t\u00ecm \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh affiliates (ti\u1ebfp th\u1ecb li\u00ean k\u1ebft), c\u00e1c website c\u00f3 c\u00f9ng m\u00e3 Google Analystics, v\u00e0 nhi\u1ec1u v\u1ea5n \u0111\u1ec1 kh\u00e1c.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.screamingfrog.co.uk\/seo-spider\/\" target=\"_blank\" rel=\"noopener noreferrer\">Screaming Frog<\/a><\/strong>&nbsp;&#8211; Ph\u1ea7n m\u1ec1m \u0111\u1ea7u ng\u00e0nh trong v\u1ea5n \u0111\u1ec1 v\u1ec1 crawling web. C\u00f3 c\u1ea3 phi\u00ean b\u1ea3n d\u00e0nh cho Windows v\u00e0 Mac. Mi\u1ec5n ph\u00ed n\u1ebfu c\u00f3 d\u01b0\u1edbi 500 li\u00ean k\u1ebft (v\u1edbi h\u1ea1n ch\u1ebf v\u1ec1 t\u00ednh n\u0103ng).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/screaming-frog.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"989\" height=\"389\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/screaming-frog.gif\" alt=\"screaming frog\" class=\"wp-image-7786\"\/><\/a><\/figure><\/div>\n\n\n\n<p>Tr\u01b0\u1edbc \u0111\u00e2y m\u00ecnh c\u00f3 vi\u1ebft m\u1ed9t b\u00e0i v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm&nbsp;<a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cong-cu-seo-screaming-frog\/\">\u0111\u1ecdc \u1edf \u0111\u00e2y<\/a>.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/keywordtool.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Keywordtool.io<\/a><\/strong>&nbsp;&#8211; L\u1ea5y th\u00f4ng tin t\u1eeb Google Autosuggest (g\u1ee3i \u00fd t\u1ef1 \u0111\u1ed9ng) \u0111\u1ec3 t\u1ea1o ra 750 t\u1eeb kh\u00f3a m\u1edbi t\u1eeb m\u1ed9t t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng. N\u00f3 c\u0169ng c\u00f3 th\u1ebf t\u1ea1o ra g\u1ee3i \u00fd t\u1eeb kh\u00f3a cho YouTube, Bing, Amazon v\u00e0 nhi\u1ec1u n\u01a1i kh\u00e1c.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/kwfinder.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">KWFinder<\/a><\/strong>&nbsp;&#8211; T\u00ecm c\u00e1c <a href=\"https:\/\/kiencang.net\/tu-khoa-duoi-dai\/\">t\u1eeb kh\u00f3a \u0111u\u00f4i d\u00e0i<\/a> v\u1edbi \u0111\u1ed9 kh\u00f3 th\u1ea5p t\u1eeb t\u1eeb kh\u00f3a h\u1ea1t gi\u1ed1ng. Ngo\u00e0i ra hi\u1ec3n th\u1ecb kh\u1ed1i l\u01b0\u1ee3ng t\u00ecm ki\u1ebfm, CPC, v\u00e0 <a href=\"https:\/\/kiencang.net\/do-kho-cua-tu-khoa\/\">\u0111\u1ed9 kh\u00f3 c\u1ee7a t\u1eeb kh\u00f3a<\/a> (keyword dificulty).<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/serpwatcher.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">SERPWatcher<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 theo d\u00f5i th\u1ee9 h\u1ea1ng v\u1edbi m\u1ed9t s\u1ed1 ch\u1ec9 s\u1ed1 \u0111\u1ed9c \u0111\u00e1o (v\u00ed d\u1ee5 &#8220;ch\u1ec9 s\u1ed1 th\u1ed1ng tr\u1ecb&#8221;). N\u00f3 c\u0169ng \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh l\u01b0\u1ee3t gh\u00e9 th\u0103m v\u00e0 b\u1ea3ng ph\u00e2n ph\u1ed1i x\u1ebfp h\u1ea1ng, b\u00ean c\u1ea1nh nh\u1eefng th\u1ee9 kh\u00e1c.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/kraken.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kraken.io<\/a><\/strong>&nbsp;&#8211; <a href=\"https:\/\/kiencang.net\/toi-uu-hoa-anh-tren-web\/\">T\u1ed1i \u01b0u h\u00f3a c\u00e1c \u1ea3nh tr\u00ean website<\/a> v\u00e0 <a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\">n\u00e2ng cao t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web<\/a>. N\u00f3 c\u0169ng gi\u00fap ti\u1ebft ki\u1ec7m kh\u00f4ng gian l\u01b0u tr\u1eef v\u00e0 b\u0103ng th\u00f4ng.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/buzzsumo.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Buzzsumo<\/a><\/strong>&nbsp;&#8211; T\u00ecm ra n\u1ed9i dung \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u0111\u1ebfn v\u00e0 chia s\u1ebb nhi\u1ec1u nh\u1ea5t trong b\u1ea5t c\u1ee9 ng\u00e0nh n\u00e0o, c\u00f9ng v\u1edbi vi\u1ec7c h\u1ed7 tr\u1ee3 b\u1ea1n t\u00ecm ra c\u00e1c n\u1ed9i dung t\u1ed1t nh\u1ea5t c\u1ee7a \u0111\u1ed1i th\u1ee7. N\u1ebfu b\u1ea1n c\u00f3 s\u1eb5n n\u1ed9i dung r\u1ed3i, n\u00f3 c\u00f3 th\u1ec3 t\u00ecm ra nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u1ea3nh h\u01b0\u1edfng c\u00f3 th\u1ec3 l\u00e0m cho n\u1ed9i dung lan t\u1ecfa.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/buzzsumo.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"805\" height=\"367\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/buzzsumo.gif\" alt=\"Buzzsumo\" class=\"wp-image-7785\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/www.grammarly.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Grammarly<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u1ed9i dung b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i ch\u00ednh t\u1ea3 v\u00e0 ng\u1eef ph\u00e1p. \u1ee8ng d\u1ee5ng d\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u00e0o Microsoft Office.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/gtmetrix.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">GTMetrix<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 \u0111\u1ea7u ng\u00e0nh gi\u00fap ph\u00e2n t\u00edch t\u1ed1c \u0111\u1ed9 t\u1ea3i trang c\u1ee7a website. N\u00f3 c\u0169ng \u0111\u01b0a ra c\u00e1c l\u1eddi khuy\u00ean th\u1ef1c t\u1ebf v\u1ec1 c\u00e1ch c\u00f3 th\u1ec3 l\u00e0m website c\u1ee7a b\u1ea1n nhanh h\u01a1n.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.mondovo.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mondovo<\/a><\/strong>&nbsp;&#8211; B\u1ed9 c\u00f4ng c\u1ee5 SEO bao g\u1ed3m m\u1ecdi th\u1ee9 t\u1eeb nghi\u00ean c\u1ee9u t\u1eeb kh\u00f3a cho \u0111\u1ebfn theo d\u00f5i x\u1ebfp h\u1ea1ng. N\u00f3 c\u0169ng xu\u1ea5t ra \u0111a d\u1ea1ng c\u00e1c b\u00e1o c\u00e1o SEO.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/seositecheckup.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"caps\">SEO<\/span>&nbsp;Site Checkup<\/a><\/strong>&nbsp;&#8211; Ph\u00e2n t\u00edch nhi\u1ec1u v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt <a href=\"https:\/\/kiencang.net\/seo-onpage\/\">SEO li\u00ean quan \u0111\u1ebfn onpage<\/a>, ph\u00e2n t\u00edch \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh, t\u1ea1o c\u00e1c b\u00e1o c\u00e1o t\u00f9y ch\u1ec9nh v\u00e0 nhi\u1ec1u th\u1ee9 kh\u00e1c n\u1eefa.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.copyscape.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Copyscape<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 d\u1eabn \u0111\u1ea7u ng\u00e0nh gi\u00fap t\u00ecm ra c\u00e1c n\u1ed9i dung sao ch\u00e9p, \u0111\u1ea1o v\u0103n.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/hunter.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hunter.io<\/a><\/strong>&nbsp;&#8211; T\u00ecm \u0111\u1ecba ch\u1ec9 email li\u00ean quan \u0111\u1ebfn b\u1ea5t k\u1ef3 t\u00ean mi\u1ec1n n\u00e0o trong v\u00e0i gi\u00e2y. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u00ecm ra \u0111\u1ecba ch\u1ec9 email c\u1ee7a m\u1ed9t ng\u01b0\u1eddi c\u1ee5 th\u1ec3 l\u00e0m vi\u1ec7c trong m\u1ed9t t\u1ed5 ch\u1ee9c c\u1ee5 th\u1ec3. T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n l\u00e0 t\u00ean c\u1ee7a ng\u01b0\u1eddi \u0111\u00f3 v\u00e0 m\u1ed9t t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hunter.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"873\" height=\"548\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/03\/hunter.gif\" alt=\"hunter\" class=\"wp-image-7784\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong><a href=\"https:\/\/yoast.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Yoast&nbsp;<span class=\"caps\">SEO<\/span><\/a><\/strong>&nbsp;&#8211; C\u00f3 l\u1ebd l\u00e0 plugin SEO duy nh\u1ea5t b\u1ea1n c\u1ea7n cho trang <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-wordpress\/\">web d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng WordPress<\/a>. Cho ph\u00e9p b\u1ea1n t\u1ed1i \u01b0u h\u00f3a th\u1ebb meta v\u00e0 n\u1ed9i dung, t\u1ea1o ra ngay t\u1ee9c kh\u1eafc sitemap, v\u00e0 nhi\u1ec1u c\u00e1i kh\u00e1c n\u1eefa. H\u00e3y \u0111\u1ecdc b\u00e0i vi\u1ebft <a href=\"https:\/\/kiencang.net\/yoast-seo\/\">h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng<\/a> c\u1ee7a ch\u00fang t\u00f4i n\u1ebfu mu\u1ed1n.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/whitespark.ca\/local-citation-finder\/\" target=\"_blank\" rel=\"noopener noreferrer\">Whitespark Local Citation Finder<\/a><\/strong>&nbsp;&nbsp;&#8211; T\u00ecm ra c\u00e1c trang web v\u00e0 th\u01b0 m\u1ee5c m\u00e0 b\u1ea1n n\u00ean \u0111\u01b0a doanh nghi\u1ec7p c\u1ee7a m\u00ecnh v\u00e0o. N\u00f3 c\u0169ng ki\u1ec3m tra \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh c\u1ee7a b\u1ea1n v\u00e0 theo d\u00f5i s\u1ef1 t\u0103ng tr\u01b0\u1edfng li\u00ean quan \u0111\u1ebfn tr\u00edch d\u1eabn. M\u1ed9t c\u00f4ng c\u1ee5 ph\u1ea3i c\u00f3 cho b\u1ea5t k\u1ef3 ai li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u00e0m SEO \u0111\u1ecba ph\u01b0\u01a1ng (<a href=\"https:\/\/kiencang.net\/local-seo\/\">local SEO<\/a>).<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/urlprofiler.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"caps\">URL<\/span>&nbsp;Profiler<\/a><\/strong>&nbsp;&#8211; C\u00f4ng c\u1ee5 ki\u1ec3m tra n\u1ed9i dung v\u00e0 backlink. T\u00edch h\u1ee3p v\u1edbi Ahrefs, Google Search Console, Google Analystics v\u00e0 h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 SEO ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c. N\u00f3 c\u0169ng h\u1eefu \u00edch trong t\u00e1c v\u1ee5 web scraping.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vai_suy_nghi_cuoi_cung\"><\/span>V\u00e0i suy ngh\u0129 cu\u1ed1i c\u00f9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u00f4i mu\u1ed1n g\u1eedi l\u1eddi c\u1ea3m \u01a1n \u0111\u1ebfn t\u1ea5t c\u1ea3 nh\u1eefng ai \u0111\u00e3 \u0111\u00f3ng g\u00f3p v\u00e0o th\u1ea3o lu\u1eadn tr\u00ean Reddit \u0111\u00e3 gi\u00fap ch\u00fang t\u00f4i t\u1ea1o ra danh s\u00e1ch n\u00e0y.<\/p>\n\n\n\n<p>T\u00f4i \u0111\u00e3 h\u1ecdc \u0111\u01b0\u1ee3c v\u00e0i c\u00f4ng c\u1ee5 SEO kh\u00e1 th\u00fa v\u1ecb!<\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i h\u01b0\u1edbng \u0111\u1ebfn vi\u1ec7c gi\u1eef danh s\u00e1ch n\u00e0y t\u01b0\u01a1i m\u1edbi v\u00e0 th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt. V\u00ec th\u1ebf n\u1ebfu b\u1ea1n c\u1ea3m th\u1ea5y ch\u00fang t\u00f4i b\u1ecf l\u1ee1 b\u1ea5t c\u1ee9 c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed ch\u1ea5t l\u01b0\u1ee3ng n\u00e0o, h\u00e3y g\u1ee3i \u00fd cho ch\u00fang t\u00f4i \u1edf ph\u1ea7n b\u00ecnh lu\u1eadn nh\u00e9.<\/p>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft 70+ Best Free SEO Tools &#8211; As voted-for by the SEO community, t\u00e1c gi\u1ea3: Joshua Hardwick, website: Ahrefs Blog)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t danh s\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed s\u1ebd gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n? Th\u1ebf th\u00ec b\u1ea1n \u0111ang \u1edf \u0111\u00fang n\u01a1i r\u1ed3i! T\u00f4i \u0111\u00e3 h\u1ecfi c\u1ed9ng \u0111\u1ed3ng SEO tr\u00ean Reddit li\u1ec7t k\u00ea c\u00e1c c\u00f4ng c\u1ee5 SEO mi\u1ec5n ph\u00ed m\u00e0 h\u1ecd d\u00f9ng. 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