diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 1315dbd..11f718b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -55,6 +55,11 @@ jobs:
         env:
           VITE_BASE: ${{ env.VITE_BASE || format('{0}/', steps.pages.outputs.base_path) }}
 
+      - name: Verify links and asset paths
+        run: npm test
+        env:
+          VITE_BASE: ${{ env.VITE_BASE || format('{0}/', steps.pages.outputs.base_path) }}
+
       - name: Collect PRs to deploy
         uses: actions/github-script@v9
         with:
diff --git a/.github/workflows/pr-preview.yml b/.github/workflows/pr-preview.yml
index 6f6d45d..42a333e 100644
--- a/.github/workflows/pr-preview.yml
+++ b/.github/workflows/pr-preview.yml
@@ -26,7 +26,9 @@ jobs:
       - name: Determine Base URL Prefix
         id: base_url
         run: |
-          if [ "${{ github.event.repository.name }}" = "${{ github.repository_owner }}.github.io" ]; then
+          REPO_NAME=$(echo "${{ github.event.repository.name }}" | tr '[:upper:]' '[:lower:]')
+          OWNER_NAME=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
+          if [ "$REPO_NAME" = "${OWNER_NAME}.github.io" ]; then
             echo "prefix=/" >> $GITHUB_OUTPUT
           else
             echo "prefix=/${{ github.event.repository.name }}/" >> $GITHUB_OUTPUT
@@ -44,6 +46,11 @@ jobs:
         env:
           VITE_BASE: ${{ steps.base_url.outputs.prefix }}pr-${{ github.event.number }}/
 
+      - name: Verify links and asset paths
+        run: npm test
+        env:
+          VITE_BASE: ${{ steps.base_url.outputs.prefix }}pr-${{ github.event.number }}/
+
       - name: Package build
         run: |
           cd dist
diff --git a/Dockerfile b/Dockerfile
index b64a232..68081fd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,7 @@ ARG VITE_BASE=/
 ENV VITE_BASE=${VITE_BASE}
 
 RUN npm run build
+RUN npm test
 
 FROM nginx:alpine
 
diff --git a/docs/news/index.md b/docs/news/index.md
index 43b92be..ab5500f 100644
--- a/docs/news/index.md
+++ b/docs/news/index.md
@@ -16,7 +16,7 @@ description: Latest developments, changes, war updates, and traffic plots for Mu
 <dt><a href="https://mume.org/news/game/" target="_self" rel="external">Game News</a></dt>
 <dd>Find out about the latest news from the game!</dd>
 
-<dt><a href="/news/web">Web News</a></dt>
+<dt><a href="./web">Web News</a></dt>
 <dd>The news from this Web-page. Note these do not really get used, usually everything important gets put up as Game News.</dd>
 
 <dt><a href="https://mume.org/plots/" target="_self" rel="external">Frequentation Plots</a></dt>
diff --git a/package.json b/package.json
index 5039516..dacae02 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
     "preview": "vitepress preview docs",
     "docs:dev": "vitepress dev docs",
     "docs:build": "vitepress build docs",
-    "docs:preview": "vitepress preview docs"
+    "docs:preview": "vitepress preview docs",
+    "test": "node scripts/test-link-and-asset-paths.js"
   },
   "dependencies": {
     "vue": "^3.5.42"
diff --git a/scripts/ci-env.sh b/scripts/ci-env.sh
index 55e9544..13b3d03 100755
--- a/scripts/ci-env.sh
+++ b/scripts/ci-env.sh
@@ -28,8 +28,10 @@ else
 fi
 echo "VITE_HOSTNAME=$VITE_HOSTNAME" >> $GITHUB_ENV
 
-# Explicitly set VITE_BASE=/ for the official production environment
-if [ "$OWNER" = "mume" ] && [ "$REPO" = "mume.github.io" ]; then
+# Explicitly set VITE_BASE=/ for the official production environment if not already set
+OWNER_LOWER=$(echo "$OWNER" | tr '[:upper:]' '[:lower:]')
+REPO_LOWER=$(echo "$REPO" | tr '[:upper:]' '[:lower:]')
+if [ -z "$VITE_BASE" ] && [ "$OWNER_LOWER" = "mume" ] && [ "$REPO_LOWER" = "mume.github.io" ]; then
   export VITE_BASE="/"
   echo "VITE_BASE=$VITE_BASE" >> $GITHUB_ENV
 fi
diff --git a/scripts/test-link-and-asset-paths.js b/scripts/test-link-and-asset-paths.js
new file mode 100644
index 0000000..401251b
--- /dev/null
+++ b/scripts/test-link-and-asset-paths.js
@@ -0,0 +1,163 @@
+import fs from 'fs'
+import path from 'path'
+import { fileURLToPath } from 'url'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const distDir = path.resolve(__dirname, '../dist')
+
+if (!fs.existsSync(distDir)) {
+  console.error(`[TEST ERROR] dist directory does not exist at ${distDir}. Run 'npm run build' first.`)
+  process.exit(1)
+}
+
+function getAllHtmlFiles(dir, fileList = []) {
+  const files = fs.readdirSync(dir)
+  for (const file of files) {
+    const filePath = path.join(dir, file)
+    if (fs.statSync(filePath).isDirectory()) {
+      getAllHtmlFiles(filePath, fileList)
+    } else if (file.endsWith('.html')) {
+      fileList.push(filePath)
+    }
+  }
+  return fileList
+}
+
+const htmlFiles = getAllHtmlFiles(distDir)
+if (htmlFiles.length === 0) {
+  console.error('[TEST ERROR] No HTML files found in dist directory.')
+  process.exit(1)
+}
+
+let errors = []
+let totalLinksChecked = 0
+let totalAssetsChecked = 0
+
+let baseEnv = process.env.VITE_BASE || '/'
+if (!baseEnv.startsWith('/')) baseEnv = '/' + baseEnv
+if (!baseEnv.endsWith('/')) baseEnv = baseEnv + '/'
+const expectedBase = baseEnv
+
+console.log(`[TEST] Verifying ${htmlFiles.length} HTML files in dist/ against expected base: "${expectedBase}"...`)
+
+for (const htmlFile of htmlFiles) {
+  const content = fs.readFileSync(htmlFile, 'utf8')
+  const relPath = path.relative(distDir, htmlFile)
+
+  // 1. Check for invalid prefix '/mume.github.io/' if expectedBase does not contain it
+  if (!expectedBase.includes('/mume.github.io/') && content.includes('/mume.github.io/')) {
+    errors.push(`${relPath}: Contains invalid hardcoded path prefix '/mume.github.io/'`)
+  }
+
+  // 2. Extract and check src/href attributes (<img src="...">, <script src="...">, <link href="...">)
+  const matches = [...content.matchAll(/(?:src|href|srcset)=["']([^"']+)["']/g)]
+  for (const match of matches) {
+    const rawUrl = match[1]
+
+    // Skip external links, data URIs, anchor hashes, mailto, etc.
+    if (
+      rawUrl.startsWith('http://') ||
+      rawUrl.startsWith('https://') ||
+      rawUrl.startsWith('//') ||
+      rawUrl.startsWith('data:') ||
+      rawUrl.startsWith('#') ||
+      rawUrl.startsWith('mailto:')
+    ) {
+      continue
+    }
+
+    // Process srcset entries if space-separated
+    const urlParts = rawUrl.split(',').map(s => s.trim().split(/\s+/)[0])
+    for (const url of urlParts) {
+      if (!url) continue
+
+      if (!expectedBase.includes('/mume.github.io/') && url.includes('/mume.github.io/')) {
+        errors.push(`${relPath}: URL "${url}" contains '/mume.github.io/'`)
+      }
+
+      // Is asset (js, css, images, fonts, ico)?
+      if (/\.(js|css|png|jpe?g|gif|svg|webp|ico|woff2?|ttf|eot)$/i.test(url)) {
+        totalAssetsChecked++
+        let distRelAssetPath = ''
+
+        if (url.startsWith('/')) {
+          if (expectedBase !== '/' && url.startsWith(expectedBase)) {
+            distRelAssetPath = url.slice(expectedBase.length - 1)
+          } else {
+            distRelAssetPath = url
+          }
+          const resolvedAssetPath = path.join(distDir, distRelAssetPath)
+          if (!fs.existsSync(resolvedAssetPath)) {
+            errors.push(`${relPath}: Asset referenced by "${url}" not found at "${resolvedAssetPath}"`)
+          }
+        } else {
+          const resolvedAssetPath = path.resolve(path.dirname(htmlFile), url)
+          if (!fs.existsSync(resolvedAssetPath)) {
+            errors.push(`${relPath}: Relative asset referenced by "${url}" not found at "${resolvedAssetPath}"`)
+          }
+        }
+      } else if (url.startsWith('/') || url.startsWith('./') || url.startsWith('../')) {
+        // Internal page route link check
+        totalLinksChecked++
+        let targetRoute = url.split('?')[0].split('#')[0]
+
+        if (expectedBase !== '/' && targetRoute.startsWith(expectedBase)) {
+          targetRoute = '/' + targetRoute.slice(expectedBase.length)
+        }
+
+        let possibleDistPaths = []
+        if (targetRoute.startsWith('/')) {
+          const cleanRoute = targetRoute.replace(/^\//, '')
+          if (!cleanRoute) {
+            possibleDistPaths.push(path.join(distDir, 'index.html'))
+          } else {
+            possibleDistPaths.push(
+              path.join(distDir, `${cleanRoute}.html`),
+              path.join(distDir, cleanRoute, 'index.html'),
+              path.join(distDir, cleanRoute)
+            )
+          }
+        } else {
+          const absoluteUrl = path.resolve(path.dirname(htmlFile), targetRoute)
+          possibleDistPaths.push(
+            `${absoluteUrl}.html`,
+            path.join(absoluteUrl, 'index.html'),
+            absoluteUrl
+          )
+        }
+
+        const exists = possibleDistPaths.some(p => fs.existsSync(p))
+        if (!exists) {
+          errors.push(`${relPath}: Internal route "${url}" could not be resolved in dist (checked: ${possibleDistPaths.join(', ')})`)
+        }
+      }
+    }
+  }
+
+  // 3. Verify __VP_SITE_DATA__ base if present
+  const siteDataMatch = content.match(/window\.__VP_SITE_DATA__=JSON\.parse\((".*?")\)/)
+  if (siteDataMatch) {
+    try {
+      const siteData = JSON.parse(JSON.parse(siteDataMatch[1]))
+      if (siteData.base !== expectedBase) {
+        errors.push(`${relPath}: __VP_SITE_DATA__.base is "${siteData.base}", expected "${expectedBase}"`)
+      }
+    } catch (e) {
+      // Ignore parse errors
+    }
+  }
+}
+
+console.log(`[TEST SUMMARY] Checked ${htmlFiles.length} HTML files, ${totalLinksChecked} internal links, and ${totalAssetsChecked} asset references.`)
+
+if (errors.length > 0) {
+  console.error(`\n[TEST FAILURES] Found ${errors.length} link/asset path issues:\n`)
+  for (const err of errors) {
+    console.error(` - ${err}`)
+  }
+  process.exit(1)
+} else {
+  console.log('[TEST SUCCESS] All link and asset path checks passed successfully!')
+  process.exit(0)
+}