diff --git a/.github/workflows/visualdiffs.yml b/.github/workflows/visualdiffs.yml
new file mode 100644
index 0000000..49ac58c
--- /dev/null
+++ b/.github/workflows/visualdiffs.yml
@@ -0,0 +1,68 @@
+name: Visual URL Comparison
+
+on:
+  pull_request:
+
+jobs:
+  visual-diff:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install deps for PR build
+        run: npm ci
+
+      - name: Install Playwright browsers
+        run: npx playwright install --with-deps
+
+      # Build and serve PR version
+      - name: Build PR version
+        run: npm run build
+
+      - name: Serve PR build
+        run: npm run preview -- --port 3001 &
+
+      - name: Wait for PR server
+        run: npx wait-on http://localhost:3001
+
+      # Checkout base branch and build
+      - name: Checkout base branch
+        run: |
+          git fetch origin ${{ github.event.pull_request.base.ref }} --depth=1
+          git checkout FETCH_HEAD
+
+      - name: Install deps for base build
+        run: npm ci
+
+      - name: Build base version
+        run: npm run build
+
+      - name: Serve base build
+        run: npm run preview -- --port 3002 &
+
+      - name: Wait for base server
+        run: npx wait-on http://localhost:3002
+
+      # Run visual diff and capture Markdown output
+      - name: Run visual diff
+        id: generate-diff
+        run: |
+          node scripts/visualDiff.cjs > diff.md
+          echo "comment<<EOF" >> $GITHUB_OUTPUT
+          cat diff.md >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+      # Post visual diffs as a PR comment
+      - name: Comment visual diffs on PR
+        uses: peter-evans/create-or-update-comment@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          issue-number: ${{ github.event.pull_request.number }}
+          body: ${{ steps.generate-diff.outputs.comment }}
+
+      # Upload raw diff artifacts
+      - uses: actions/upload-artifact@v4
+        with:
+          name: visual-diffs
+          path: diffs
diff --git a/package-lock.json b/package-lock.json
index 00c00fb..7a0e4b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,10 @@
         "eslint": "^9.33.0",
         "eslint-plugin-react": "^7.32.2",
         "eslint-plugin-react-hooks": "^5.2.0",
+        "pixelmatch": "^7.1.0",
+        "playwright": "^1.57.0",
+        "pngjs": "^7.0.0",
+        "sharp": "^0.34.5",
         "tailwindcss": "^4.1.16",
         "vite": "^7.1.2"
       }
@@ -2366,6 +2370,17 @@
         "postcss-selector-parser": "^6.0.10"
       }
     },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.7.1.tgz",
+      "integrity": "sha512-PVtJr5CmLwYAU9PZDMITZoR5iAOShYREoR45EyyLrbntV50mdePTgUn4AmOw90Ifcj+x2kRjdzr1HP3RrNiHGA==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.12",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.12.tgz",
@@ -3012,6 +3027,496 @@
         "url": "https://github.com/sponsors/nzakas"
       }
     },
+    "node_modules/@img/colour": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
+      "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.34.5.tgz",
+      "integrity": "sha512-imtQ3WMJXbMY4fxb/Ndp6HBTNVtWCUI0WdobyheGf5+ad6xX8VIDO8u2xE4qc/fr08CKG/7dDseFtn6M6g/r3w==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-darwin-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.34.5.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
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+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
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+      }
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
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+      "funding": {
+        "url": "https://opencollective.com/libvips"
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+      ],
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+      "funding": {
+        "url": "https://opencollective.com/libvips"
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+      ],
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+      "license": "LGPL-3.0-or-later",
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+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
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+        "url": "https://opencollective.com/libvips"
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+    },
+    "node_modules/@img/sharp-win32-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-arm64/-/sharp-win32-arm64-0.34.5.tgz",
+      "integrity": "sha512-WQ3AgWCWYSb2yt+IG8mnC6Jdk9Whs7O0gxphblsLvdhSpSTtmu69ZG1Gkb6NuvxsNACwiPV6cNSZNzt0KPsw7g==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-ia32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.34.5.tgz",
+      "integrity": "sha512-FV9m/7NmeCmSHDD5j4+4pNI8Cp3aW+JvLoXcTUo0IqyjSfAZJ8dIUmijx1qaJsIiU+Hosw6xM5KijAWRJCSgNg==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.34.5.tgz",
+      "integrity": "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
     "node_modules/@istanbuljs/load-nyc-config": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@istanbuljs/load-nyc-config/-/load-nyc-config-1.1.0.tgz",
@@ -15887,6 +16392,19 @@
         "node": ">= 6"
       }
     },
+    "node_modules/pixelmatch": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-7.1.0.tgz",
+      "integrity": "sha512-1wrVzJ2STrpmONHKBy228LM1b84msXDUoAzVEl0R8Mz4Ce6EPr+IVtxm8+yvrqLYMHswREkjYFaMxnyGnaY3Ng==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "pngjs": "^7.0.0"
+      },
+      "bin": {
+        "pixelmatch": "bin/pixelmatch"
+      }
+    },
     "node_modules/pkg-dir": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
@@ -16024,6 +16542,63 @@
         "node": ">=4"
       }
     },
+    "node_modules/playwright": {
+      "version": "1.57.0",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.57.0.tgz",
+      "integrity": "sha512-ilYQj1s8sr2ppEJ2YVadYBN0Mb3mdo9J0wQ+UuDhzYqURwSoW4n1Xs5vs7ORwgDGmyEh33tRMeS8KhdkMoLXQw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright-core": "1.57.0"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "optionalDependencies": {
+        "fsevents": "2.3.2"
+      }
+    },
+    "node_modules/playwright-core": {
+      "version": "1.57.0",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.57.0.tgz",
+      "integrity": "sha512-agTcKlMw/mjBWOnD6kFZttAAGHgi/Nw0CZ2o6JqWSbMlI219lAFLZZCyqByTsvVAJq5XA5H8cA6PrvBRpBWEuQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "playwright-core": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/playwright/node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
+    "node_modules/pngjs": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-7.0.0.tgz",
+      "integrity": "sha512-LKWqWJRhstyYo9pGvgor/ivk2w94eSjE3RGVuzLGlr3NmD8bf7RcYGze1mNdEHRP6TRP6rMuDHk5t44hnTRyow==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.19.0"
+      }
+    },
     "node_modules/possible-typed-array-names": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/possible-typed-array-names/-/possible-typed-array-names-1.1.0.tgz",
@@ -19369,6 +19944,64 @@
       "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
       "license": "ISC"
     },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
+    "node_modules/sharp/node_modules/semver": {
+      "version": "7.7.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.3.tgz",
+      "integrity": "sha512-SdsKMrI9TdgjdweUSR9MweHA4EJ8YxHn8DFaDisvhVlUOe4BF1tLD7GAj0lIqWVl+dPb/rExr0Btby5loQm20Q==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -20769,9 +21402,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "4.9.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
+      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
       "license": "Apache-2.0",
       "peer": true,
       "bin": {
@@ -20779,7 +21412,7 @@
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=14.17"
+        "node": ">=4.2.0"
       }
     },
     "node_modules/unbox-primitive": {
diff --git a/package.json b/package.json
index 27f6553..e2ba327 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,10 @@
     "eslint": "^9.33.0",
     "eslint-plugin-react": "^7.32.2",
     "eslint-plugin-react-hooks": "^5.2.0",
+    "pixelmatch": "^7.1.0",
+    "playwright": "^1.57.0",
+    "pngjs": "^7.0.0",
+    "sharp": "^0.34.5",
     "tailwindcss": "^4.1.16",
     "vite": "^7.1.2"
   }
diff --git a/scripts/visualDiff.cjs b/scripts/visualDiff.cjs
new file mode 100644
index 0000000..0ed7fdb
--- /dev/null
+++ b/scripts/visualDiff.cjs
@@ -0,0 +1,64 @@
+const { chromium } = require("playwright");
+const pixelmatch = require("pixelmatch").default || require("pixelmatch");
+const { PNG } = require("pngjs");
+const fs = require("fs");
+const sharp = require("sharp");
+
+const urls = [{ name: "home", path: "/" }];
+
+async function run() {
+  if (!fs.existsSync("diffs")) fs.mkdirSync("diffs");
+
+  const browser = await chromium.launch();
+
+  let mdOutput = "## Visual Diff Results\n\n";
+
+  for (const { name, path } of urls) {
+    const page = await browser.newPage();
+
+    // PR screenshot
+    await page.goto(`http://localhost:3001${path}`, {
+      waitUntil: "networkidle",
+    });
+    const prPath = `diffs/${name}_pr.png`;
+    await page.screenshot({ path: prPath, fullPage: true });
+
+    // Base screenshot
+    await page.goto(`http://localhost:3002${path}`, {
+      waitUntil: "networkidle",
+    });
+    const basePath = `diffs/${name}_base.png`;
+    await page.screenshot({ path: basePath, fullPage: true });
+
+    // Compare
+    const img1 = PNG.sync.read(fs.readFileSync(basePath));
+    const img2 = PNG.sync.read(fs.readFileSync(prPath));
+    const out = new PNG({ width: img1.width, height: img1.height });
+
+    pixelmatch(img1.data, img2.data, out.data, img1.width, img1.height, {
+      threshold: 0.3,
+    });
+
+    const diffPath = `diffs/${name}_diff.png`;
+    fs.writeFileSync(diffPath, PNG.sync.write(out));
+
+    // Resize diff for PR comment
+    const thumbBuffer = await sharp(diffPath)
+      .resize({ width: 600 }) // adjust width as needed
+      .png()
+      .toBuffer();
+
+    // Encode thumbnail as base64 for PR comment
+    const base64 = thumbBuffer.toString("base64");
+    mdOutput += `### ${name}\n![${name} diff](data:image/png;base64,${base64})\n\n`;
+
+    await page.close();
+  }
+
+  await browser.close();
+
+  // Output markdown to stdout for GitHub Action step
+  console.log(mdOutput);
+}
+
+run();
diff --git a/src/components/OptimadeClient/OptimadeFAQs.jsx b/src/components/OptimadeClient/OptimadeFAQs.jsx
index 28d3844..0a6569d 100644
--- a/src/components/OptimadeClient/OptimadeFAQs.jsx
+++ b/src/components/OptimadeClient/OptimadeFAQs.jsx
@@ -19,7 +19,7 @@ export default function OptimadeFAQs() {
         onClick={() => setIsOpen(!isOpen)}
         className="w-full border-2 border-slate-300 bg-slate-200 py-3 px-4 rounded shadow flex justify-between hover:bg-slate-300 transition"
       >
-        <span className="text-left flex-1">FAQs</span>
+        <span className="text-left flex-1">FA222Qs</span>
         <span className="ml-2">{isOpen ? "▲" : "▼"}</span>
       </button>
 
diff --git a/src/components/OptimadeClient/OptimadeMetadata.jsx b/src/components/OptimadeClient/OptimadeMetadata.jsx
index 9869203..e783aa2 100644
--- a/src/components/OptimadeClient/OptimadeMetadata.jsx
+++ b/src/components/OptimadeClient/OptimadeMetadata.jsx
@@ -14,7 +14,9 @@ export default function OptimadeMetadata({ child }) {
         <h3 className={headingclassName}>FAQs</h3>
 
         <section className={sectionclassName}>
-          <h4 className={headingclassName}>What is the OPTIMADE Client?</h4>
+          <h4 className={headingclassName}>
+            What is the OPTIMADE Riot Client?
+          </h4>
           <p className={paragraphclassName}>
             This is a friendly client to search through databases and other
             implementations exposing an OPTIMADE RESTful API. To get more