diff --git a/_11ty/img-dim.js b/_11ty/img-dim.js
index 7013669..b837aa4 100644
--- a/_11ty/img-dim.js
+++ b/_11ty/img-dim.js
@@ -19,7 +19,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-const { JSDOM } = require("jsdom");
+const { parse } = require("node-html-parser");
 const { promisify } = require("util");
 const sizeOf = promisify(require("image-size"));
 const blurryPlaceholder = require("./blurry-placeholder");
@@ -69,13 +69,14 @@ const processImage = async (img, outputPath) => {
   }
   if (inputType == "gif") {
     const videoSrc = await gif2mp4(src);
-    const video = img.ownerDocument.createElement(
-      /AMP/i.test(img.tagName) ? "amp-video" : "video"
-    );
-    [...img.attributes].map(({ name, value }) => {
+    const tagName = /AMP/i.test(img.tagName) ? "amp-video" : "video";
+    const video = parse(`<${tagName}></${tagName}>`).firstChild;
+
+    Object.entries(img.attributes).forEach(([name, value]) => {
       video.setAttribute(name, value);
     });
-    video.src = videoSrc;
+
+    video.setAttribute("src", videoSrc);
     video.setAttribute("autoplay", "");
     video.setAttribute("muted", "");
     video.setAttribute("loop", "");
@@ -83,7 +84,7 @@ const processImage = async (img, outputPath) => {
       video.setAttribute("aria-label", img.getAttribute("alt"));
       video.removeAttribute("alt");
     }
-    img.parentElement.replaceChild(video, img);
+    img.replaceWith(video);
     return;
   }
   // When the input is a PNG, we keep the fallback image a PNG because JPEG does
@@ -98,28 +99,30 @@ const processImage = async (img, outputPath) => {
       `background-size:cover;` +
         `background-image:url("${await blurryPlaceholder(src)}")`
     );
-    const doc = img.ownerDocument;
-    const picture = doc.createElement("picture");
-    const avif = doc.createElement("source");
-    const webp = doc.createElement("source");
-    const jpeg = doc.createElement("source");
-    const fallback = await setSrcset(jpeg, src, fallbackType);
+
+    const picture = parse("<picture></picture>").firstChild;
+    const avifNode = parse("<source>").firstChild;
+    const webpNode = parse("<source>").firstChild;
+    const jpegNode = parse("<source>").firstChild;
+
+    const fallback = await setSrcset(jpegNode, src, fallbackType);
     if (!fallback) {
       return;
     }
-    const avifFallback = await setSrcset(avif, src, "avif");
+    const avifFallback = await setSrcset(avifNode, src, "avif");
     if (avifFallback) {
-      avif.setAttribute("type", "image/avif");
-      picture.appendChild(avif);
+      avifNode.setAttribute("type", "image/avif");
+      picture.appendChild(avifNode);
     }
-    const webpFallback = await setSrcset(webp, src, "webp");
+    const webpFallback = await setSrcset(webpNode, src, "webp");
     if (webpFallback) {
-      webp.setAttribute("type", "image/webp");
-      picture.appendChild(webp);
+      webpNode.setAttribute("type", "image/webp");
+      picture.appendChild(webpNode);
     }
-    jpeg.setAttribute("type", `image/${fallbackType}`);
-    picture.appendChild(jpeg);
-    img.parentElement.replaceChild(picture, img);
+    jpegNode.setAttribute("type", `image/${fallbackType}`);
+    picture.appendChild(jpegNode);
+
+    img.replaceWith(picture);
     picture.appendChild(img);
     img.setAttribute("src", fallback);
   } else if (!img.getAttribute("srcset")) {
@@ -149,12 +152,12 @@ const dimImages = async (rawContent, outputPath) => {
   let content = rawContent;
 
   if (outputPath && outputPath.endsWith(".html")) {
-    const dom = new JSDOM(content);
-    const images = [...dom.window.document.querySelectorAll("img,amp-img")];
+    const root = parse(content);
+    const images = root.querySelectorAll("img,amp-img");
 
     if (images.length > 0) {
       await Promise.all(images.map((i) => processImage(i, outputPath)));
-      content = dom.serialize();
+      content = root.toString();
     }
   }
 
diff --git a/package-lock.json b/package-lock.json
index 5b4c1da..2611c0a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,7 @@
         "image-size": "^0.8.3",
         "lru-cache": "^5.1.1",
         "mocha": "^10.1.0",
+        "node-html-parser": "^7.0.2",
         "phin": "^3.5.0",
         "purge-from-html": "^1.0.3",
         "purgecss": "^4.0.3",
@@ -1082,7 +1083,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
       "integrity": "sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww==",
-      "dev": true,
       "license": "ISC"
     },
     "node_modules/brace-expansion": {
@@ -1806,7 +1806,6 @@
       "version": "6.2.2",
       "resolved": "https://registry.npmjs.org/css-what/-/css-what-6.2.2.tgz",
       "integrity": "sha512-u/O3vwbptzhMs3L1fQE82ZSLHQQfto5gyZzwteVIEyeaY5Fc7R4dapF/BvRoSYFeqfBk4m0V1Vafq5Pjv25wvA==",
-      "dev": true,
       "license": "BSD-2-Clause",
       "engines": {
         "node": ">= 6"
@@ -5041,6 +5040,87 @@
         "webidl-conversions": "^3.0.0"
       }
     },
+    "node_modules/node-html-parser": {
+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/node-html-parser/-/node-html-parser-7.0.2.tgz",
+      "integrity": "sha512-DxodLVh7a6JMkYzWyc8nBX9MaF4M0lLFYkJHlWOiu7+9/I6mwNK9u5TbAMC7qfqDJEPX9OIoWA2A9t4C2l1mUQ==",
+      "license": "MIT",
+      "dependencies": {
+        "css-select": "^5.1.0",
+        "he": "1.2.0"
+      }
+    },
+    "node_modules/node-html-parser/node_modules/css-select": {
+      "version": "5.2.2",
+      "resolved": "https://registry.npmjs.org/css-select/-/css-select-5.2.2.tgz",
+      "integrity": "sha512-TizTzUddG/xYLA3NXodFM0fSbNizXjOKhqiQQwvhlspadZokn1KDy0NZFS0wuEubIYAV5/c1/lAr0TaaFXEXzw==",
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "boolbase": "^1.0.0",
+        "css-what": "^6.1.0",
+        "domhandler": "^5.0.2",
+        "domutils": "^3.0.1",
+        "nth-check": "^2.0.1"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/fb55"
+      }
+    },
+    "node_modules/node-html-parser/node_modules/dom-serializer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-2.0.0.tgz",
+      "integrity": "sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==",
+      "license": "MIT",
+      "dependencies": {
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.2",
+        "entities": "^4.2.0"
+      },
+      "funding": {
+        "url": "https://github.com/cheeriojs/dom-serializer?sponsor=1"
+      }
+    },
+    "node_modules/node-html-parser/node_modules/domhandler": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-5.0.3.tgz",
+      "integrity": "sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==",
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "domelementtype": "^2.3.0"
+      },
+      "engines": {
+        "node": ">= 4"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/domhandler?sponsor=1"
+      }
+    },
+    "node_modules/node-html-parser/node_modules/domutils": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/domutils/-/domutils-3.2.2.tgz",
+      "integrity": "sha512-6kZKyUajlDuqlHKVX1w7gyslj9MPIXzIFiz/rGu35uC1wMi+kMhQwGhl4lt9unC9Vb9INnY9Z3/ZA3+FhASLaw==",
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "dom-serializer": "^2.0.0",
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/domutils?sponsor=1"
+      }
+    },
+    "node_modules/node-html-parser/node_modules/entities": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
+      "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
     "node_modules/nopt": {
       "version": "7.2.1",
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-7.2.1.tgz",
@@ -5079,7 +5159,6 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/nth-check/-/nth-check-2.1.1.tgz",
       "integrity": "sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w==",
-      "dev": true,
       "license": "BSD-2-Clause",
       "dependencies": {
         "boolbase": "^1.0.0"
diff --git a/package.json b/package.json
index a92a741..aa8b7ee 100644
--- a/package.json
+++ b/package.json
@@ -61,6 +61,7 @@
     "image-size": "^0.8.3",
     "lru-cache": "^5.1.1",
     "mocha": "^10.1.0",
+    "node-html-parser": "^7.0.2",
     "phin": "^3.5.0",
     "purge-from-html": "^1.0.3",
     "purgecss": "^4.0.3",