diff --git a/tools/check_internal_links.js b/tools/check_internal_links.js
index 7c5d7ad6..3b8508c4 100644
--- a/tools/check_internal_links.js
+++ b/tools/check_internal_links.js
@@ -2,15 +2,18 @@
 
 const fs = require("fs");
 const path = require("path");
+const yaml = require("js-yaml");
 const { sanitizeUrlCandidate } = require("./lib/markdown_links");
 
 const SITE_ROOT = path.resolve(__dirname, "..");
 const CONTENT_DIR = path.join(SITE_ROOT, "content");
+const TAXONOMIES_FILE = path.join(SITE_ROOT, "config", "_default", "taxonomies.yaml");
 const TARGET_EXTENSIONS = new Set([".md", ".markdown", ".mdx", ".yaml", ".yml"]);
 const MARKDOWN_EXTENSIONS = new Set([".md", ".markdown", ".mdx"]);
 const INTERNAL_LINK_REGEX = /\/[^\s"'`<>\\\[\]{}|]+/g;
 const VALID_PREFIX_REGEX = /[\s"'`([<{=:]/;
 const PATH_KEY_REGEX = /^\s*(?:"path"|'path'|path)\s*:/i;
+const FRONTMATTER_PATTERN = /^---\r?\n([\s\S]+?)\r?\n---\r?\n?/;
 
 function toPosix(value) {
   return value.split(path.sep).join("/");
@@ -58,6 +61,199 @@ function collectContentEntries(rootDir) {
   return { files, directories };
 }
 
+function collectTaxonomyKeywordPaths(files) {
+  const mapping = loadTaxonomyMapping(TAXONOMIES_FILE);
+  if (!mapping) {
+    return new Set();
+  }
+
+  const keywordPaths = new Set();
+
+  for (const filePath of files) {
+    if (!isMarkdownFile(filePath)) {
+      continue;
+    }
+
+    let raw;
+    try {
+      raw = fs.readFileSync(filePath, "utf8");
+    } catch (error) {
+      console.warn(
+        `Impossible de lire ${relativeToSite(filePath)} pour extraire les taxonomies (${error.message}).`,
+      );
+      continue;
+    }
+
+    const frontmatterMatch = raw.match(FRONTMATTER_PATTERN);
+    if (!frontmatterMatch) {
+      continue;
+    }
+
+    let frontmatter = {};
+    try {
+      frontmatter = yaml.load(frontmatterMatch[1]) || {};
+    } catch (error) {
+      console.warn(`Frontmatter invalide dans ${relativeToSite(filePath)} (${error.message}).`);
+      continue;
+    }
+
+    const keywords = extractTaxonomyKeywords(
+      frontmatter,
+      frontmatterMatch[1],
+      mapping.fieldToCanonical,
+    );
+    for (const keyword of keywords) {
+      const normalized = normalizeInternalLink(keyword.url);
+      if (normalized) {
+        keywordPaths.add(normalized);
+      }
+    }
+  }
+
+  return keywordPaths;
+}
+
+function loadTaxonomyMapping(configPath) {
+  let raw;
+  try {
+    raw = fs.readFileSync(configPath, "utf8");
+  } catch (error) {
+    console.warn(`Impossible de lire ${relativeToSite(configPath)} (${error.message}).`);
+    return null;
+  }
+
+  let data;
+  try {
+    data = yaml.load(raw) || {};
+  } catch (error) {
+    console.warn(`YAML invalide dans ${relativeToSite(configPath)} (${error.message}).`);
+    return null;
+  }
+
+  if (typeof data !== "object" || data === null) {
+    console.warn(`Format inattendu dans ${relativeToSite(configPath)}.`);
+    return null;
+  }
+
+  const fieldToCanonical = new Map();
+  for (const [singular, plural] of Object.entries(data)) {
+    const canonical =
+      typeof plural === "string" && plural.trim().length > 0 ? plural.trim() : singular.trim();
+    if (!canonical) continue;
+    const candidates = new Set([singular, canonical].filter(Boolean));
+    for (const candidate of candidates) {
+      fieldToCanonical.set(candidate, canonical);
+    }
+  }
+
+  if (fieldToCanonical.size === 0) {
+    console.warn("Aucune taxonomie valide n'a été trouvée.");
+    return null;
+  }
+
+  return { fieldToCanonical };
+}
+
+function extractTaxonomyKeywords(frontmatter, frontmatterRaw, fieldToCanonical) {
+  const keywords = [];
+  const seen = new Set();
+
+  function addKeyword(taxonomy, term) {
+    if (!taxonomy || typeof term !== "string") return;
+    const normalized = term.trim();
+    if (!normalized) return;
+    const slug = slugify(normalized);
+    if (!slug) return;
+    const key = `${taxonomy}::${normalized.toLowerCase()}`;
+    if (seen.has(key)) return;
+    seen.add(key);
+    keywords.push({
+      taxonomy,
+      term: normalized,
+      url: `/${taxonomy}/${slug}/`,
+    });
+  }
+
+  if (typeof frontmatter === "object" && frontmatter !== null) {
+    for (const [field, value] of Object.entries(frontmatter)) {
+      const canonical = fieldToCanonical.get(field);
+      if (!canonical) continue;
+      const terms = normalizeTerms(value);
+      for (const term of terms) {
+        addKeyword(canonical, term);
+      }
+    }
+  }
+
+  for (const entry of extractCommentedTerms(frontmatterRaw, fieldToCanonical)) {
+    addKeyword(entry.taxonomy, entry.term);
+  }
+
+  return keywords;
+}
+
+function normalizeTerms(value) {
+  if (Array.isArray(value)) {
+    return value.map((item) => normalizeTerm(item)).filter(Boolean);
+  }
+  const single = normalizeTerm(value);
+  return single ? [single] : [];
+}
+
+function normalizeTerm(value) {
+  if (typeof value !== "string") return null;
+  const trimmed = value.trim();
+  return trimmed.length > 0 ? trimmed : null;
+}
+
+function extractCommentedTerms(frontmatterRaw, fieldToCanonical) {
+  if (typeof frontmatterRaw !== "string" || frontmatterRaw.length === 0) {
+    return [];
+  }
+
+  const results = [];
+  const lines = frontmatterRaw.split(/\r?\n/);
+  let currentCanonical = null;
+  let currentIndent = 0;
+
+  for (const line of lines) {
+    const indent = getIndentation(line);
+    const fieldMatch = line.match(/^\s*([A-Za-z0-9_]+):\s*(?:#.*)?$/);
+    if (fieldMatch) {
+      const fieldName = fieldMatch[1];
+      currentCanonical = fieldToCanonical.get(fieldName) || null;
+      currentIndent = indent;
+      continue;
+    }
+
+    if (!currentCanonical) continue;
+    const commentMatch = line.match(/^\s*#\s*-\s+(.*)$/);
+    if (!commentMatch) continue;
+    if (indent <= currentIndent) continue;
+    const term = commentMatch[1].trim();
+    if (!term) continue;
+    results.push({ taxonomy: currentCanonical, term });
+  }
+
+  return results;
+}
+
+function getIndentation(line) {
+  if (typeof line !== "string" || line.length === 0) return 0;
+  const match = line.match(/^\s*/);
+  return match ? match[0].length : 0;
+}
+
+function slugify(value) {
+  return value
+    .normalize("NFD")
+    .replace(/\p{Diacritic}/gu, "")
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/^-+|-+$/g, "")
+    .replace(/-{2,}/g, "-");
+}
+
 function sanitizeInternalLink(raw) {
   const candidate = sanitizeUrlCandidate(raw);
   if (!candidate) return null;
@@ -276,6 +472,10 @@ function main() {
   }
 
   const { files, directories } = collectContentEntries(CONTENT_DIR);
+  const taxonomyPaths = collectTaxonomyKeywordPaths(files);
+  for (const keywordPath of taxonomyPaths) {
+    directories.add(keywordPath);
+  }
   const missingLinks = new Map();
 
   for (const filePath of files) {