diff --git a/package-lock.json b/package-lock.json
index 35483b015..5a895778d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1186,9 +1186,9 @@
       }
     },
     "node_modules/@jest/reporters/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -2348,9 +2348,9 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -2890,10 +2890,11 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
     "node_modules/brace-expansion": {
-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "version": "1.1.12",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
+      "integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -3966,9 +3967,10 @@
       }
     },
     "node_modules/glob/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0"
       }
@@ -4492,9 +4494,9 @@
       }
     },
     "node_modules/jest-config/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -4876,9 +4878,9 @@
       }
     },
     "node_modules/jest-runtime/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -5917,9 +5919,9 @@
       }
     },
     "node_modules/rimraf/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
-      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/src/core/rules/attr-value-no-duplication.ts b/src/core/rules/attr-value-no-duplication.ts
index 57bb4a2fe..1e1525ced 100644
--- a/src/core/rules/attr-value-no-duplication.ts
+++ b/src/core/rules/attr-value-no-duplication.ts
@@ -17,10 +17,11 @@ export default {
       for (let i = 0, l = attrs.length; i < l; i++) {
         attr = attrs[i]
 
-        // Skip style and media attributes entirely
+        // Skip content, media, and style attributes entirely
         if (
-          attr.name.toLowerCase() === 'style' ||
-          attr.name.toLowerCase() === 'media'
+          attr.name.toLowerCase() === 'content' ||
+          attr.name.toLowerCase() === 'media' ||
+          attr.name.toLowerCase() === 'style'
         ) {
           continue
         }
diff --git a/test/rules/attr-value-no-duplication.spec.js b/test/rules/attr-value-no-duplication.spec.js
index f93a8a614..ec10d722b 100644
--- a/test/rules/attr-value-no-duplication.spec.js
+++ b/test/rules/attr-value-no-duplication.spec.js
@@ -91,4 +91,11 @@ describe(`Rules: ${ruleId}`, () => {
     const messages = HTMLHint.verify(code, ruleOptions)
     expect(messages.length).toBe(0)
   })
+
+  it('Content attribute should be skipped entirely', () => {
+    const code =
+      '<meta name="keywords" content="HTML, CSS, JavaScript, HTML, responsive design">'
+    const messages = HTMLHint.verify(code, ruleOptions)
+    expect(messages.length).toBe(0)
+  })
 })
diff --git a/website/src/content/docs/configuration.md b/website/src/content/docs/configuration.md
index 7453cff75..428c149b1 100644
--- a/website/src/content/docs/configuration.md
+++ b/website/src/content/docs/configuration.md
@@ -47,6 +47,7 @@ An example configuration file (with all rules disabled):
     "attr-sorted": false,
     "attr-unsafe-chars": false,
     "attr-value-double-quotes": false,
+    "attr-value-no-duplication": false,
     "attr-value-not-empty": false,
     "attr-value-single-quotes": false,
     "attr-whitespace": false,
@@ -74,6 +75,7 @@ An example configuration file (with all rules disabled):
     "spec-char-escape": false,
     "src-not-empty": false,
     "style-disabled": false,
+    "tag-no-obsolete": false,
     "tag-pair": false,
     "tag-self-close": false,
     "tagname-lowercase": false,
diff --git a/website/src/content/docs/getting-started.mdx b/website/src/content/docs/getting-started.mdx
index 449cd5658..cbecb74ff 100644
--- a/website/src/content/docs/getting-started.mdx
+++ b/website/src/content/docs/getting-started.mdx
@@ -37,6 +37,7 @@ import { Tabs, TabItem } from '@astrojs/starlight/components';
   "meta-viewport-require": true,
   "spec-char-escape": true,
   "src-not-empty": true,
+  "tag-no-obsolete": true,
   "tag-pair": true,
   "tagname-lowercase": true,
   "title-require": true