{"id":9768,"date":"2026-07-31T02:22:09","date_gmt":"2026-07-31T02:22:09","guid":{"rendered":"https:\/\/tradegoai.app\/?post_type=tools&#038;p=9768"},"modified":"2026-07-31T02:22:09","modified_gmt":"2026-07-31T02:22:09","slug":"%e3%82%ad%e3%83%bc%e3%83%af%e3%83%bc%e3%83%89%e5%af%86%e5%ba%a6%e3%83%81%e3%82%a7%e3%83%83%e3%82%ab%e3%83%bc","status":"publish","type":"tools","link":"https:\/\/tradegoai.app\/ja\/tools\/keyword-density-checker\/","title":{"rendered":"\u30ad\u30fc\u30ef\u30fc\u30c9\u5bc6\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc"},"content":{"rendered":"\t<section id=\"tga-keyword-density-checker-1\" class=\"tga-kdc-tool\" aria-labelledby=\"tga-keyword-density-checker-1-title\">\n\t\t<style>\n\t\t\t#tga-keyword-density-checker-1{--tga-tool-navy:#0f1831;--tga-tool-purple:#6528f7;--tga-tool-purple-dark:#501bd8;--tga-tool-lilac:#f2efff;--tga-tool-muted:#64748b;--tga-tool-line:#e2e8f0;--tga-tool-success:#047857;--tga-tool-warning:#a16207;--tga-tool-danger:#b91c1c;width:100%;max-width:1180px;margin:44px auto 72px;padding:0 22px;box-sizing:border-box;color:var(--tga-tool-navy);font-family:inherit}\n\t\t\t#tga-keyword-density-checker-1 *{box-sizing:border-box}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-hero{position:relative;overflow:hidden;padding:46px 48px;border-radius:22px;color:#fff;background:radial-gradient(circle at 88% 18%,rgba(101,40,247,.78),transparent 34%),linear-gradient(135deg,#081127 0%,#131d42 100%)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-hero:after{position:absolute;right:-85px;bottom:-115px;width:330px;height:330px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 38px rgba(255,255,255,.035),0 0 0 76px rgba(255,255,255,.025);content:\"\"}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-eyebrow{position:relative;z-index:1;display:block;margin:0 0 13px;color:#cbbcff;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}\n\t\t\t#tga-keyword-density-checker-1 h1{position:relative;z-index:1;max-width:960px;margin:0;color:#fff;font-size:clamp(36px,5.5vw,62px);line-height:1.03;letter-spacing:-.04em}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-hero p{position:relative;z-index:1;max-width:850px;margin:20px 0 0;color:#dce4ff;font-size:18px;line-height:1.65}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-workspace{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;margin-top:28px;align-items:start}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-panel,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-section{min-width:0;padding:28px;border:1px solid var(--tga-tool-line);border-radius:18px;background:#fff;box-shadow:0 16px 45px rgba(15,24,49,.06)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-section{margin-top:28px;padding:30px}\n\t\t\t#tga-keyword-density-checker-1 h2{margin:0 0 9px;font-size:25px;line-height:1.25;letter-spacing:-.02em}\n\t\t\t#tga-keyword-density-checker-1 h3{margin:0 0 8px;font-size:17px;line-height:1.35}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-copy{margin:0 0 18px;color:var(--tga-tool-muted);font-size:15px;line-height:1.7}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-field{margin-top:15px}\n\t\t\t#tga-keyword-density-checker-1 label{display:block;margin:0 0 8px;font-size:14px;font-weight:800}\n\t\t\t#tga-keyword-density-checker-1 textarea,\n\t\t\t#tga-keyword-density-checker-1 select{width:100%;min-height:48px;padding:10px 13px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:var(--tga-tool-navy);font:inherit}\n\t\t\t#tga-keyword-density-checker-1 textarea:focus,\n\t\t\t#tga-keyword-density-checker-1 select:focus{border-color:var(--tga-tool-purple);outline:none;box-shadow:0 0 0 3px rgba(101,40,247,.12)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-content{min-height:300px;resize:vertical;line-height:1.6}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-keywords{min-height:116px;resize:vertical;line-height:1.55}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-check{display:flex;gap:10px;align-items:flex-start;margin-top:15px;padding:12px;border:1px solid var(--tga-tool-line);border-radius:10px;background:#fafbff;font-weight:700;line-height:1.45;cursor:pointer}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-check input{flex:0 0 auto;width:18px;height:18px;margin:1px 0 0;accent-color:var(--tga-tool-purple)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-check:focus-within{border-color:var(--tga-tool-purple);box-shadow:0 0 0 3px rgba(101,40,247,.12)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}\n\t\t\t#tga-keyword-density-checker-1 button,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 14px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:var(--tga-tool-navy);font:inherit;font-weight:800;line-height:1.2;text-decoration:none;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s,background .2s}\n\t\t\t#tga-keyword-density-checker-1 button:hover,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-button:hover{border-color:var(--tga-tool-purple);transform:translateY(-1px)}\n\t\t\t#tga-keyword-density-checker-1 button:focus-visible,\n\t\t\t#tga-keyword-density-checker-1 a:focus-visible{outline:3px solid rgba(101,40,247,.26);outline-offset:2px}\n\t\t\t#tga-keyword-density-checker-1 button:disabled{opacity:.52;cursor:not-allowed;transform:none}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-primary{min-height:50px;padding:11px 19px;border-color:var(--tga-tool-purple);background:var(--tga-tool-purple);color:#fff}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-primary:hover{border-color:var(--tga-tool-purple-dark);background:var(--tga-tool-purple-dark)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-status{min-height:24px;margin:13px 0 0;color:var(--tga-tool-muted);font-size:13px;line-height:1.6}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-status.is-error{color:var(--tga-tool-danger);font-weight:700}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-metric{padding:14px 12px;border-radius:12px;background:var(--tga-tool-lilac)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-metric strong{display:block;margin-bottom:4px;font-size:22px}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-metric span{color:var(--tga-tool-muted);font-size:12px;line-height:1.4}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-note{margin:0 0 16px;padding:13px 15px;border-left:4px solid var(--tga-tool-purple);border-radius:9px;background:#f7f4ff;color:#44337a;font-size:14px;line-height:1.55}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-table-wrap{overflow-x:auto;border:1px solid var(--tga-tool-line);border-radius:13px}\n\t\t\t#tga-keyword-density-checker-1 table{width:100%;min-width:760px;border-collapse:collapse;background:#fff}\n\t\t\t#tga-keyword-density-checker-1 th,\n\t\t\t#tga-keyword-density-checker-1 td{padding:13px 14px;border-bottom:1px solid var(--tga-tool-line);text-align:left;vertical-align:top;overflow-wrap:anywhere}\n\t\t\t#tga-keyword-density-checker-1 th{background:#f8fafc;font-size:12px;letter-spacing:.05em;text-transform:uppercase}\n\t\t\t#tga-keyword-density-checker-1 tbody tr:last-child td{border-bottom:0}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-keyword{font-weight:800}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-empty{padding:32px 20px;border:1px dashed #cbd5e1;border-radius:13px;background:#fafbff;color:var(--tga-tool-muted);text-align:center;line-height:1.65}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-guide,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-info,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-guide article,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-info article{padding:20px;border:1px solid var(--tga-tool-line);border-radius:13px;background:#fafbff}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-guide strong{display:block;margin-bottom:7px;color:var(--tga-tool-purple);font-size:13px}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-guide p,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-info p{margin:0;color:var(--tga-tool-muted);font-size:14px;line-height:1.65}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-cta{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;color:#fff;background:radial-gradient(circle at 88% 18%,rgba(101,40,247,.78),transparent 34%),linear-gradient(135deg,#081127 0%,#131d42 100%)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-cta h2{color:#fff}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-cta p{max-width:760px;margin:0;color:#dce4ff;line-height:1.7}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-cta .tga-kdc-button{min-height:50px;padding:12px 18px;border-color:#fff;background:#fff}\n\t\t\t#tga-keyword-density-checker-1 details{border:1px solid var(--tga-tool-line);border-radius:12px;background:#fff}\n\t\t\t#tga-keyword-density-checker-1 details+details{margin-top:10px}\n\t\t\t#tga-keyword-density-checker-1 summary{padding:16px 18px;font-weight:800;cursor:pointer}\n\t\t\t#tga-keyword-density-checker-1 details p{margin:0;padding:0 18px 18px;color:var(--tga-tool-muted);line-height:1.7}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related a{display:block;padding:20px;border:1px solid var(--tga-tool-line);border-radius:13px;background:#fff;color:var(--tga-tool-navy);text-decoration:none;transition:border-color .2s,box-shadow .2s,transform .2s}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related a:hover,\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related a:focus-visible{border-color:var(--tga-tool-purple);box-shadow:0 10px 24px rgba(15,24,49,.08);transform:translateY(-2px)}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related strong{display:block;margin-bottom:7px}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related span{display:block;color:var(--tga-tool-muted);font-size:14px;line-height:1.55}\n\t\t\t#tga-keyword-density-checker-1 .tga-kdc-i18n{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}\n\t\t\t@media(max-width:900px){\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-workspace,\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-guide,\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-info,\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-related{grid-template-columns:1fr}\n\t\t\t}\n\t\t\t@media(max-width:600px){\n\t\t\t\t#tga-keyword-density-checker-1{margin-top:28px;padding:0 15px}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-hero{padding:31px 23px;border-radius:16px}\n\t\t\t\t#tga-keyword-density-checker-1 h1{font-size:39px}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-hero p{font-size:16px}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-panel,\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-section{padding:22px 18px}\n\t\t\t\t#tga-keyword-density-checker-1 textarea,\n\t\t\t\t#tga-keyword-density-checker-1 select{font-size:16px}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-grid,\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-actions,\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-metrics{display:grid;grid-template-columns:1fr}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-actions button{width:100%}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-cta{grid-template-columns:1fr}\n\t\t\t\t#tga-keyword-density-checker-1 .tga-kdc-cta .tga-kdc-button{width:100%}\n\t\t\t}\n\t\t<\/style>\n\n\t\t<header class=\"tga-kdc-hero\">\n\t\t\t<span class=\"tga-kdc-eyebrow\">See How Keywords Appear Across Your Draft<\/span>\n\t\t\t<h1 id=\"tga-keyword-density-checker-1-title\">Keyword Density Checker<\/h1>\n\t\t\t<p>Measure keyword and phrase frequency, text share, paragraph coverage, and first-use position in content you already have.<\/p>\n\t\t<\/header>\n\n\t\t<div class=\"tga-kdc-workspace\">\n\t\t\t<section class=\"tga-kdc-panel\" aria-labelledby=\"tga-keyword-density-checker-1-input-title\">\n\t\t\t\t<h2 id=\"tga-keyword-density-checker-1-input-title\">Add Content and Target Keywords<\/h2>\n\t\t\t\t<p class=\"tga-kdc-copy\">Paste plain text or HTML, then enter up to ten target words or phrases on separate lines.<\/p>\n\t\t\t\t<div class=\"tga-kdc-field\">\n\t\t\t\t\t<label for=\"tga-keyword-density-checker-1-content\">Content to analyze<\/label>\n\t\t\t\t\t<textarea id=\"tga-keyword-density-checker-1-content\" class=\"tga-kdc-content\" data-input=\"content\" maxlength=\"100000\">International trade teams often spend hours researching buyers, checking company details, and preparing export documents.\n\nA focused buyer research process helps sales teams compare markets and organize qualified buyers before outreach. Clear product information and consistent company details also make each conversation easier to review.\n\nTrade teams should still verify buyers, confirm document requirements, and adapt every proposal to the target market.<\/textarea>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"tga-kdc-field\">\n\t\t\t\t\t<label for=\"tga-keyword-density-checker-1-keywords\">Target keywords or phrases<\/label>\n\t\t\t\t\t<textarea id=\"tga-keyword-density-checker-1-keywords\" class=\"tga-kdc-keywords\" data-input=\"keywords\" maxlength=\"820\" spellcheck=\"false\">international trade\nbuyers\ncompany details<\/textarea>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"tga-kdc-grid\">\n\t\t\t\t\t<div class=\"tga-kdc-field\">\n\t\t\t\t\t\t<label for=\"tga-keyword-density-checker-1-source\">Content format<\/label>\n\t\t\t\t\t\t<select id=\"tga-keyword-density-checker-1-source\" data-input=\"source\">\n\t\t\t\t\t\t\t<option value=\"plain\">Plain text<\/option>\n\t\t\t\t\t\t\t<option value=\"html\">HTML source<\/option>\n\t\t\t\t\t\t<\/select>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<label class=\"tga-kdc-check\"><input type=\"checkbox\" data-input=\"case\"><span>Match uppercase and lowercase separately<\/span><\/label>\n\t\t\t\t<\/div>\n\t\t\t\t<label class=\"tga-kdc-check\"><input type=\"checkbox\" data-input=\"inside\"><span>Allow matches inside longer words<\/span><\/label>\n\t\t\t\t<div class=\"tga-kdc-actions\">\n\t\t\t\t\t<button type=\"button\" class=\"tga-kdc-primary\" data-action=\"analyze\">Check Keyword Density<\/button>\n\t\t\t\t\t<button type=\"button\" data-action=\"sample\">Load Sample<\/button>\n\t\t\t\t\t<button type=\"button\" data-action=\"reset\">Reset<\/button>\n\t\t\t\t<\/div>\n\t\t\t\t<p class=\"tga-kdc-status\" data-status role=\"status\" aria-live=\"polite\">Sample content is ready to analyze.<\/p>\n\t\t\t<\/section>\n\n\t\t\t<section class=\"tga-kdc-panel\" aria-labelledby=\"tga-keyword-density-checker-1-result-title\">\n\t\t\t\t<h2 id=\"tga-keyword-density-checker-1-result-title\">Keyword Distribution<\/h2>\n\t\t\t\t<p class=\"tga-kdc-copy\">Use the measurements to review repetition and placement without treating any percentage as a ranking target.<\/p>\n\t\t\t\t<div class=\"tga-kdc-metrics\">\n\t\t\t\t\t<div class=\"tga-kdc-metric\"><strong data-metric=\"units\">0<\/strong><span>Text units<\/span><\/div>\n\t\t\t\t\t<div class=\"tga-kdc-metric\"><strong data-metric=\"characters\">0<\/strong><span>Characters<\/span><\/div>\n\t\t\t\t\t<div class=\"tga-kdc-metric\"><strong data-metric=\"paragraphs\">0<\/strong><span>Paragraphs<\/span><\/div>\n\t\t\t\t\t<div class=\"tga-kdc-metric\"><strong data-metric=\"targets\">0<\/strong><span>Target keywords<\/span><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"tga-kdc-note\">Density reports matched text share. It is a measurement, not a recommendation or content-quality score.<\/div>\n\t\t\t\t<div class=\"tga-kdc-empty\" data-empty>Keyword measurements will appear here after analysis.<\/div>\n\t\t\t\t<div class=\"tga-kdc-table-wrap\" data-table-wrap hidden>\n\t\t\t\t\t<table>\n\t\t\t\t\t\t<thead><tr><th>Keyword or phrase<\/th><th>Occurrences<\/th><th>Density<\/th><th>Paragraph coverage<\/th><th>First position<\/th><th>Paragraphs found<\/th><\/tr><\/thead>\n\t\t\t\t\t\t<tbody data-body><\/tbody>\n\t\t\t\t\t<\/table>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"tga-kdc-actions\">\n\t\t\t\t\t<button type=\"button\" data-action=\"copy\" disabled>Copy Analysis<\/button>\n\t\t\t\t\t<button type=\"button\" data-action=\"download\" disabled>Download CSV<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\t\t<\/div>\n\n\t\t<div class=\"tga-kdc-i18n\" aria-hidden=\"true\">\n\t\t\t<span data-i18n=\"missingContent\">Paste content to analyze.<\/span>\n\t\t\t<span data-i18n=\"missingKeywords\">Enter at least one target keyword or phrase.<\/span>\n\t\t\t<span data-i18n=\"tooMany\">Enter no more than ten unique target keywords or phrases.<\/span>\n\t\t\t<span data-i18n=\"tooLong\">Keep each target keyword or phrase within 80 characters.<\/span>\n\t\t\t<span data-i18n=\"noUnits\">The entered content does not contain measurable text units.<\/span>\n\t\t\t<span data-i18n=\"analyzed\">Keyword distribution measured locally. Review frequency and placement in the context of the full draft.<\/span>\n\t\t\t<span data-i18n=\"copied\">Keyword analysis copied to the clipboard.<\/span>\n\t\t\t<span data-i18n=\"copyFailed\">The browser could not copy the analysis. Use Download CSV instead.<\/span>\n\t\t\t<span data-i18n=\"downloaded\">Keyword analysis CSV downloaded.<\/span>\n\t\t\t<span data-i18n=\"restored\">Example content and keywords restored.<\/span>\n\t\t\t<span data-i18n=\"beginning\">Beginning<\/span>\n\t\t\t<span data-i18n=\"notFound\">Not found<\/span>\n\t\t\t<span data-i18n=\"ofText\">of text<\/span>\n\t\t\t<span data-i18n=\"ofParagraphs\">of paragraphs<\/span>\n\t\t\t<span data-i18n=\"none\">None<\/span>\n\t\t\t<span data-i18n=\"summaryKeyword\">Keyword or phrase<\/span>\n\t\t\t<span data-i18n=\"summaryOccurrences\">Occurrences<\/span>\n\t\t\t<span data-i18n=\"summaryDensity\">Density<\/span>\n\t\t\t<span data-i18n=\"summaryCoverage\">Paragraph coverage<\/span>\n\t\t\t<span data-i18n=\"summaryFirst\">First position<\/span>\n\t\t\t<span data-i18n=\"summaryParagraphs\">Paragraphs found<\/span>\n\t\t<\/div>\n\n\t\t<section class=\"tga-kdc-section\" aria-labelledby=\"tga-keyword-density-checker-1-guide-title\">\n\t\t\t<h2 id=\"tga-keyword-density-checker-1-guide-title\">How to Review Keyword Distribution<\/h2>\n\t\t\t<div class=\"tga-kdc-guide\">\n\t\t\t\t<article><strong>1. Add the current draft<\/strong><p>Paste the content as plain text or select HTML source to extract its visible wording.<\/p><\/article>\n\t\t\t\t<article><strong>2. Enter exact targets<\/strong><p>Put each word or phrase on its own line and choose whether case and inside-word matches matter.<\/p><\/article>\n\t\t\t\t<article><strong>3. Read frequency with placement<\/strong><p>Compare total occurrences with paragraph coverage and first position instead of relying on one percentage.<\/p><\/article>\n\t\t\t<\/div>\n\t\t<\/section>\n\n\t\t<section class=\"tga-kdc-section\" aria-labelledby=\"tga-keyword-density-checker-1-rules-title\">\n\t\t\t<h2 id=\"tga-keyword-density-checker-1-rules-title\">Measurement and Result Guidance<\/h2>\n\t\t\t<div class=\"tga-kdc-info\">\n\t\t\t\t<article><h3>Density formula<\/h3><p>Matched keyword text units \u00f7 total text units \u00d7 100. Phrase units are counted for every non-overlapping occurrence.<\/p><\/article>\n\t\t\t\t<article><h3>Multilingual counting<\/h3><p>Space-separated words and numbers count as units. Han, Hiragana, Katakana, and Hangul characters count separately in unspaced text.<\/p><\/article>\n\t\t\t\t<article><h3>No target percentage<\/h3><p>The result does not judge relevance, readability, search intent, helpfulness, originality, or ranking potential. Review the complete page for real users.<\/p><\/article>\n\t\t\t<\/div>\n\t\t\t<p class=\"tga-kdc-copy\" style=\"margin-top:18px\">The content and keywords you enter are used only to create the measurements, copied summary, and CSV shown on this page.<\/p>\n\t\t<\/section>\n\n\t\t<section class=\"tga-kdc-section tga-kdc-cta\" aria-labelledby=\"tga-keyword-density-checker-1-cta-title\">\n\t\t\t<div>\n\t\t\t\t<h2 id=\"tga-keyword-density-checker-1-cta-title\">Turn Content Measurements Into a Stronger Market Presence<\/h2>\n\t\t\t\t<p>Explore TradeGoAI services for market research, sales content, product information, publishing workflows, and international growth.<\/p>\n\t\t\t<\/div>\n\t\t\t<a class=\"tga-kdc-button\" href=\"https:\/\/tradegoai.app\/ja\/services\/\">Explore TradeGoAI Services \u2192<\/a>\n\t\t<\/section>\n\n\t\t<section class=\"tga-kdc-section\" aria-labelledby=\"tga-keyword-density-checker-1-faq-title\">\n\t\t\t<h2 id=\"tga-keyword-density-checker-1-faq-title\">Frequently Asked Questions<\/h2>\n\t\t\t\t\t\t\t<details>\n\t\t\t\t\t<summary>How is keyword density calculated?<\/summary>\n\t\t\t\t\t<p>Density is the number of text units covered by a matched keyword or phrase divided by the total text units, multiplied by 100. A two-word phrase therefore contributes two matched units per occurrence.<\/p>\n\t\t\t\t<\/details>\n\t\t\t\t\t\t\t<details>\n\t\t\t\t\t<summary>What counts as a text unit?<\/summary>\n\t\t\t\t\t<p>Words and numbers count as units in space-separated languages. Han, Hiragana, Katakana, and Hangul characters count individually so unspaced text can still be measured consistently.<\/p>\n\t\t\t\t<\/details>\n\t\t\t\t\t\t\t<details>\n\t\t\t\t\t<summary>Does a higher density improve search rankings?<\/summary>\n\t\t\t\t\t<p>Not necessarily. The checker reports frequency and placement only. It does not score quality, recommend a target percentage, or predict rankings. Content should remain accurate, useful, and natural for its intended reader.<\/p>\n\t\t\t\t<\/details>\n\t\t\t\t\t\t\t<details>\n\t\t\t\t\t<summary>Can I analyze HTML content?<\/summary>\n\t\t\t\t\t<p>Yes. Select HTML source and the tool will analyze extracted visible text while excluding script, style, template, and noscript content. Review the extracted totals if the source contains complex embedded components.<\/p>\n\t\t\t\t<\/details>\n\t\t\t\t\t\t\t<details>\n\t\t\t\t\t<summary>Is the content I paste saved?<\/summary>\n\t\t\t\t\t<p>No. Your content, target keywords, analysis, copied summary, and CSV file are processed locally in your browser and are not uploaded to TradeGoAI.<\/p>\n\t\t\t\t<\/details>\n\t\t\t\t\t<\/section>\n\n\t\t<section class=\"tga-kdc-section\" aria-labelledby=\"tga-keyword-density-checker-1-related-title\">\n\t\t\t<h2 id=\"tga-keyword-density-checker-1-related-title\">Related Free Tools<\/h2>\n\t\t\t<p class=\"tga-kdc-copy\">Continue reviewing search presentation, page structure, and link context.<\/p>\n\t\t\t<div class=\"tga-kdc-related\">\n\t\t\t\t<a href=\"https:\/\/tradegoai.app\/ja\/tools\/seo-title-meta-preview\/\"><strong>SEO Title &amp; Meta Preview<\/strong><span>Compare title and description presentation across desktop and mobile search previews.<\/span><\/a>\n\t\t\t\t<a href=\"https:\/\/tradegoai.app\/ja\/tools\/heading-structure-checker\/\"><strong>Heading Structure Checker<\/strong><span>Review H1\u2013H6 order, skipped levels, duplicates, and empty headings.<\/span><\/a>\n\t\t\t\t<a href=\"https:\/\/tradegoai.app\/ja\/tools\/link-anchor-text-checker\/\"><strong>Link &amp; Anchor Text Checker<\/strong><span>Inspect internal links, external links, destinations, and readable anchor text.<\/span><\/a>\n\t\t\t<\/div>\n\t\t<\/section>\n\n\t\t<script>\n\t\t(function(){\n\t\t\tconst root=document.getElementById(\"tga-keyword-density-checker-1\");\n\t\t\tif(!root||root.dataset.ready===\"1\"){return}\n\t\t\troot.dataset.ready=\"1\";\n\n\t\t\tconst sampleText=\"International trade teams often spend hours researching buyers, checking company details, and preparing export documents.\\n\\nA focused buyer research process helps sales teams compare markets and organize qualified buyers before outreach. Clear product information and consistent company details also make each conversation easier to review.\\n\\nTrade teams should still verify buyers, confirm document requirements, and adapt every proposal to the target market.\";\n\t\t\tconst sampleKeys=\"international trade\\nbuyers\\ncompany details\";\n\t\t\tconst contentInput=root.querySelector('[data-input=\"content\"]');\n\t\t\tconst keywordsInput=root.querySelector('[data-input=\"keywords\"]');\n\t\t\tconst sourceInput=root.querySelector('[data-input=\"source\"]');\n\t\t\tconst caseInput=root.querySelector('[data-input=\"case\"]');\n\t\t\tconst insideInput=root.querySelector('[data-input=\"inside\"]');\n\t\t\tconst status=root.querySelector(\"[data-status]\");\n\t\t\tconst empty=root.querySelector(\"[data-empty]\");\n\t\t\tconst tableWrap=root.querySelector(\"[data-table-wrap]\");\n\t\t\tconst body=root.querySelector(\"[data-body]\");\n\t\t\tconst copyButton=root.querySelector('[data-action=\"copy\"]');\n\t\t\tconst downloadButton=root.querySelector('[data-action=\"download\"]');\n\t\t\tconst labels={};\n\t\t\tlet result={rows:[],csv:\"\",summary:\"\"};\n\n\t\t\troot.querySelectorAll(\"[data-i18n]\").forEach(function(node){labels[node.dataset.i18n]=node.textContent.trim()});\n\n\t\t\tfunction visibleText(value){\n\t\t\t\tif(sourceInput.value!==\"html\"){return String(value||\"\")}\n\t\t\t\tconst doc=new DOMParser().parseFromString(String(value||\"\"),\"text\/html\");\n\t\t\t\tdoc.querySelectorAll(\"script,style,template,noscript\").forEach(function(node){node.remove()});\n\t\t\t\treturn doc.body?doc.body.textContent||\"\":\"\"\n\t\t\t}\n\t\t\tfunction textUnits(value){\n\t\t\t\treturn String(value||\"\").match(\/[\\p{Script=Han}\\p{Script=Hiragana}\\p{Script=Katakana}\\p{Script=Hangul}]|[\\p{L}\\p{M}]+(?:['\u2019-][\\p{L}\\p{M}]+)*|\\p{N}+(?:[.,]\\p{N}+)?\/gu)||[]\n\t\t\t}\n\t\t\tfunction targets(){\n\t\t\t\tconst seen=new Set();const values=[];\n\t\t\t\tString(keywordsInput.value||\"\").split(\/\\r?\\n\/).forEach(function(line){\n\t\t\t\t\tconst value=line.replace(\/\\s+\/g,\" \").trim();\n\t\t\t\t\tconst key=caseInput.checked?value:value.toLocaleLowerCase();\n\t\t\t\t\tif(value&&!seen.has(key)){seen.add(key);values.push(value)}\n\t\t\t\t});\n\t\t\t\treturn values\n\t\t\t}\n\t\t\tfunction hasCjk(value){\n\t\t\t\treturn \/[\\p{Script=Han}\\p{Script=Hiragana}\\p{Script=Katakana}\\p{Script=Hangul}]\/u.test(value)\n\t\t\t}\n\t\t\tfunction boundary(value){\n\t\t\t\treturn !value||!\/^[_\\p{L}\\p{M}\\p{N}]$\/u.test(value)\n\t\t\t}\n\t\t\tfunction matchPositions(text,keyword){\n\t\t\t\tconst caseSensitive=caseInput.checked;\n\t\t\t\tconst inside=insideInput.checked||hasCjk(keyword);\n\t\t\t\tconst haystack=caseSensitive?text:text.toLocaleLowerCase();\n\t\t\t\tconst needle=caseSensitive?keyword:keyword.toLocaleLowerCase();\n\t\t\t\tconst positions=[];\n\t\t\t\tif(!needle){return positions}\n\t\t\t\tlet offset=0;\n\t\t\t\twhile(offset<=haystack.length-needle.length){\n\t\t\t\t\tconst index=haystack.indexOf(needle,offset);\n\t\t\t\t\tif(index===-1){break}\n\t\t\t\t\tconst valid=inside||(boundary(haystack[index-1])&&boundary(haystack[index+needle.length]));\n\t\t\t\t\tif(valid){positions.push(index);offset=index+needle.length}\n\t\t\t\t\telse{offset=index+1}\n\t\t\t\t}\n\t\t\t\treturn positions\n\t\t\t}\n\t\t\tfunction paragraphs(value){\n\t\t\t\treturn String(value||\"\").split(\/\\n\\s*\\n+\/).map(function(item){return item.trim()}).filter(Boolean)\n\t\t\t}\n\t\t\tfunction formatNumber(value,maximum){\n\t\t\t\treturn Number(value).toLocaleString(undefined,{maximumFractionDigits:maximum})\n\t\t\t}\n\t\t\tfunction csvCell(value){\n\t\t\t\tconst clean=String(value===undefined?\"\":value);\n\t\t\t\treturn \/[\",\\r\\n]\/.test(clean)?'\"'+clean.replace(\/\"\/g,'\"\"')+'\"':clean\n\t\t\t}\n\t\t\tfunction resetResult(){\n\t\t\t\tresult={rows:[],csv:\"\",summary:\"\"};body.replaceChildren();tableWrap.hidden=true;empty.hidden=false;\n\t\t\t\t[\"units\",\"characters\",\"paragraphs\",\"targets\"].forEach(function(name){root.querySelector('[data-metric=\"'+name+'\"]').textContent=\"0\"});\n\t\t\t\tcopyButton.disabled=true;downloadButton.disabled=true\n\t\t\t}\n\t\t\tfunction analyze(){\n\t\t\t\tconst raw=String(contentInput.value||\"\").trim();\n\t\t\t\tif(!raw){status.textContent=labels.missingContent;status.classList.add(\"is-error\");resetResult();return}\n\t\t\t\tconst keys=targets();\n\t\t\t\tif(!keys.length){status.textContent=labels.missingKeywords;status.classList.add(\"is-error\");resetResult();return}\n\t\t\t\tif(keys.length>10){status.textContent=labels.tooMany;status.classList.add(\"is-error\");resetResult();return}\n\t\t\t\tif(keys.some(function(key){return key.length>80})){status.textContent=labels.tooLong;status.classList.add(\"is-error\");resetResult();return}\n\t\t\t\tconst text=visibleText(raw).replace(\/\\r\\n?\/g,\"\\n\").trim();\n\t\t\t\tconst units=textUnits(text);\n\t\t\t\tif(!units.length){status.textContent=labels.noUnits;status.classList.add(\"is-error\");resetResult();return}\n\t\t\t\tconst paras=paragraphs(text);\n\t\t\t\tconst rows=keys.map(function(keyword){\n\t\t\t\t\tconst positions=matchPositions(text,keyword);\n\t\t\t\t\tconst found=[];\n\t\t\t\t\tparas.forEach(function(para,index){if(matchPositions(para,keyword).length){found.push(index+1)}});\n\t\t\t\t\tconst keywordUnitCount=Math.max(1,textUnits(keyword).length);\n\t\t\t\t\tconst density=(positions.length*keywordUnitCount\/units.length)*100;\n\t\t\t\t\tconst coverage=paras.length?(found.length\/paras.length)*100:0;\n\t\t\t\t\tconst first=positions.length?(positions[0]===0?labels.beginning:formatNumber((positions[0]\/Math.max(1,text.length))*100,1)+\"% \"+labels.ofText):labels.notFound;\n\t\t\t\t\treturn {keyword:keyword,count:positions.length,density:density,coverage:coverage,first:first,paragraphs:found}\n\t\t\t\t});\n\t\t\t\trender(rows,units.length,text.length,paras.length)\n\t\t\t}\n\t\t\tfunction render(rows,unitCount,characterCount,paragraphCount){\n\t\t\t\tbody.replaceChildren();\n\t\t\t\trows.forEach(function(row){\n\t\t\t\t\tconst tr=document.createElement(\"tr\");\n\t\t\t\t\tconst values=[\n\t\t\t\t\t\trow.keyword,\n\t\t\t\t\t\tString(row.count),\n\t\t\t\t\t\tformatNumber(row.density,2)+\"%\",\n\t\t\t\t\t\trow.paragraphs.length+\" \/ \"+paragraphCount+\" (\"+formatNumber(row.coverage,1)+\"%)\",\n\t\t\t\t\t\trow.first,\n\t\t\t\t\t\trow.paragraphs.length?row.paragraphs.join(\", \"):labels.none\n\t\t\t\t\t];\n\t\t\t\t\tvalues.forEach(function(value,index){const td=document.createElement(\"td\");td.textContent=value;if(index===0){td.className=\"tga-kdc-keyword\"}tr.appendChild(td)});\n\t\t\t\t\tbody.appendChild(tr)\n\t\t\t\t});\n\t\t\t\tconst headers=[labels.summaryKeyword,labels.summaryOccurrences,labels.summaryDensity,labels.summaryCoverage,labels.summaryFirst,labels.summaryParagraphs];\n\t\t\t\tconst csvRows=rows.map(function(row){return [row.keyword,row.count,formatNumber(row.density,2)+\"%\",row.paragraphs.length+\" \/ \"+paragraphCount+\" (\"+formatNumber(row.coverage,1)+\"%)\",row.first,row.paragraphs.join(\", \")]});\n\t\t\t\tconst csv=[headers].concat(csvRows).map(function(row){return row.map(csvCell).join(\",\")}).join(\"\\r\\n\");\n\t\t\t\tconst summary=[headers.join(\"\\t\")].concat(csvRows.map(function(row){return row.join(\"\\t\")})).join(\"\\n\");\n\t\t\t\tresult={rows:rows,csv:csv,summary:summary};\n\t\t\t\troot.querySelector('[data-metric=\"units\"]').textContent=formatNumber(unitCount,0);\n\t\t\t\troot.querySelector('[data-metric=\"characters\"]').textContent=formatNumber(characterCount,0);\n\t\t\t\troot.querySelector('[data-metric=\"paragraphs\"]').textContent=formatNumber(paragraphCount,0);\n\t\t\t\troot.querySelector('[data-metric=\"targets\"]').textContent=formatNumber(rows.length,0);\n\t\t\t\tempty.hidden=true;tableWrap.hidden=false;copyButton.disabled=false;downloadButton.disabled=false;\n\t\t\t\tstatus.classList.remove(\"is-error\");status.textContent=labels.analyzed\n\t\t\t}\n\t\t\tfunction loadSample(message){\n\t\t\t\tcontentInput.value=sampleText;keywordsInput.value=sampleKeys;sourceInput.value=\"plain\";caseInput.checked=false;insideInput.checked=false;resetResult();status.classList.remove(\"is-error\");status.textContent=message\n\t\t\t}\n\t\t\tasync function copyAnalysis(){\n\t\t\t\tif(!result.summary){return}\n\t\t\t\ttry{await navigator.clipboard.writeText(result.summary);status.classList.remove(\"is-error\");status.textContent=labels.copied}\n\t\t\t\tcatch(error){status.classList.add(\"is-error\");status.textContent=labels.copyFailed}\n\t\t\t}\n\t\t\tfunction downloadCsv(){\n\t\t\t\tif(!result.csv){return}\n\t\t\t\tconst blob=new Blob([\"\\uFEFF\"+result.csv],{type:\"text\/csv;charset=utf-8\"});\n\t\t\t\tconst url=URL.createObjectURL(blob);const 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