diff --git a/demo/markdownlint-browser.js b/demo/markdownlint-browser.js
index 2fca4046..22b77f19 100644
--- a/demo/markdownlint-browser.js
+++ b/demo/markdownlint-browser.js
@@ -2414,6 +2414,8 @@ function getEnabledRulesPerLineNumber(ruleList, lines, frontMatterLines, noInlin
  * Lints a string containing Markdown content.
  *
  * @param {Rule[]} ruleList List of rules.
+ * @param {Object.<string, string[]>} aliasToRuleNames Map of alias to rule
+ * names.
  * @param {string} name Identifier for the content.
  * @param {string} content Markdown content.
  * @param {Object} md Instance of markdown-it.
@@ -2426,7 +2428,7 @@ function getEnabledRulesPerLineNumber(ruleList, lines, frontMatterLines, noInlin
  * @param {Function} callback Callback (err, result) function.
  * @returns {void}
  */
-function lintContent(ruleList, name, content, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, callback) {
+function lintContent(ruleList, aliasToRuleNames, name, content, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, callback) {
   // Remove UTF-8 byte order marker (if present)
   content = content.replace(/^\uFEFF/, "");
   // Remove front matter
@@ -2434,7 +2436,7 @@ function lintContent(ruleList, name, content, md, config, configParsers, frontMa
   var frontMatterLines = removeFrontMatterResult.frontMatterLines;
   content = removeFrontMatterResult.content;
   // Get enabled rules per line (with HTML comments present)
-  var _getEnabledRulesPerLi = getEnabledRulesPerLineNumber(ruleList, content.split(helpers.newLineRe), frontMatterLines, noInlineConfig, config, configParsers, mapAliasToRuleNames(ruleList)),
+  var _getEnabledRulesPerLi = getEnabledRulesPerLineNumber(ruleList, content.split(helpers.newLineRe), frontMatterLines, noInlineConfig, config, configParsers, aliasToRuleNames),
     effectiveConfig = _getEnabledRulesPerLi.effectiveConfig,
     enabledRulesPerLineNumber = _getEnabledRulesPerLi.enabledRulesPerLineNumber;
   // Parse content into parser tokens
@@ -2676,6 +2678,8 @@ function lintContent(ruleList, name, content, md, config, configParsers, frontMa
  * Lints a file containing Markdown content.
  *
  * @param {Rule[]} ruleList List of rules.
+ * @param {Object.<string, string[]>} aliasToRuleNames Map of alias to rule
+ * names.
  * @param {string} file Path of file to lint.
  * @param {Object} md Instance of markdown-it.
  * @param {Configuration} config Configuration object.
@@ -2689,13 +2693,13 @@ function lintContent(ruleList, name, content, md, config, configParsers, frontMa
  * @param {Function} callback Callback (err, result) function.
  * @returns {void}
  */
-function lintFile(ruleList, file, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, fs, synchronous, callback) {
+function lintFile(ruleList, aliasToRuleNames, file, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, fs, synchronous, callback) {
   // eslint-disable-next-line jsdoc/require-jsdoc
   function lintContentWrapper(err, content) {
     if (err) {
       return callback(err);
     }
-    return lintContent(ruleList, file, content, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, callback);
+    return lintContent(ruleList, aliasToRuleNames, file, content, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, callback);
   }
   // Make a/synchronous call to read file
   if (synchronous) {
@@ -2758,6 +2762,7 @@ function lintInput(options, synchronous, callback) {
     _iterator24.f();
   }
   var fs = options.fs || __webpack_require__(/*! node:fs */ "?d0ee");
+  var aliasToRuleNames = mapAliasToRuleNames(ruleList);
   var results = newResults(ruleList);
   var done = false;
   var concurrency = 0;
@@ -2783,11 +2788,11 @@ function lintInput(options, synchronous, callback) {
       // Lint next file
       concurrency++;
       currentItem = files.shift();
-      lintFile(ruleList, currentItem, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, fs, synchronous, lintWorkerCallback);
+      lintFile(ruleList, aliasToRuleNames, currentItem, md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, fs, synchronous, lintWorkerCallback);
     } else if (currentItem = stringsKeys.shift()) {
       // Lint next string
       concurrency++;
-      lintContent(ruleList, currentItem, strings[currentItem] || "", md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, lintWorkerCallback);
+      lintContent(ruleList, aliasToRuleNames, currentItem, strings[currentItem] || "", md, config, configParsers, frontMatter, handleRuleFailures, noInlineConfig, resultVersion, lintWorkerCallback);
     } else if (concurrency === 0) {
       // Finish
       done = true;
diff --git a/lib/markdownlint.js b/lib/markdownlint.js
index 9ad4367a..8fe2dded 100644
--- a/lib/markdownlint.js
+++ b/lib/markdownlint.js
@@ -509,6 +509,8 @@ function getEnabledRulesPerLineNumber(
  * Lints a string containing Markdown content.
  *
  * @param {Rule[]} ruleList List of rules.
+ * @param {Object.<string, string[]>} aliasToRuleNames Map of alias to rule
+ * names.
  * @param {string} name Identifier for the content.
  * @param {string} content Markdown content.
  * @param {Object} md Instance of markdown-it.
@@ -523,6 +525,7 @@ function getEnabledRulesPerLineNumber(
  */
 function lintContent(
   ruleList,
+  aliasToRuleNames,
   name,
   content,
   md,
@@ -548,7 +551,7 @@ function lintContent(
       noInlineConfig,
       config,
       configParsers,
-      mapAliasToRuleNames(ruleList)
+      aliasToRuleNames
     );
   // Parse content into parser tokens
   const markdownitTokens = md.parse(content, {});
@@ -792,6 +795,8 @@ function lintContent(
  * Lints a file containing Markdown content.
  *
  * @param {Rule[]} ruleList List of rules.
+ * @param {Object.<string, string[]>} aliasToRuleNames Map of alias to rule
+ * names.
  * @param {string} file Path of file to lint.
  * @param {Object} md Instance of markdown-it.
  * @param {Configuration} config Configuration object.
@@ -807,6 +812,7 @@ function lintContent(
  */
 function lintFile(
   ruleList,
+  aliasToRuleNames,
   file,
   md,
   config,
@@ -825,6 +831,7 @@ function lintFile(
     }
     return lintContent(
       ruleList,
+      aliasToRuleNames,
       file,
       content,
       md,
@@ -887,6 +894,7 @@ function lintInput(options, synchronous, callback) {
     md.use(...plugin);
   }
   const fs = options.fs || require("node:fs");
+  const aliasToRuleNames = mapAliasToRuleNames(ruleList);
   const results = newResults(ruleList);
   let done = false;
   let concurrency = 0;
@@ -914,6 +922,7 @@ function lintInput(options, synchronous, callback) {
       currentItem = files.shift();
       lintFile(
         ruleList,
+        aliasToRuleNames,
         currentItem,
         md,
         config,
@@ -931,6 +940,7 @@ function lintInput(options, synchronous, callback) {
       concurrency++;
       lintContent(
         ruleList,
+        aliasToRuleNames,
         currentItem,
         strings[currentItem] || "",
         md,