diff --git a/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/ExternalMenuEntryNodeTransformer.php b/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/ExternalMenuEntryNodeTransformer.php
new file mode 100644
index 000000000..da464c2b2
--- /dev/null
+++ b/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/ExternalMenuEntryNodeTransformer.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @link https://phpdoc.org
+ */
+
+namespace phpDocumentor\Guides\Compiler\NodeTransformers\MenuNodeTransformers;
+
+use phpDocumentor\Guides\Compiler\CompilerContext;
+use phpDocumentor\Guides\Nodes\DocumentTree\ExternalEntryNode;
+use phpDocumentor\Guides\Nodes\Menu\ExternalMenuEntryNode;
+use phpDocumentor\Guides\Nodes\Menu\MenuEntryNode;
+use phpDocumentor\Guides\Nodes\Menu\MenuNode;
+use phpDocumentor\Guides\Nodes\Menu\TocNode;
+use phpDocumentor\Guides\Nodes\Node;
+use phpDocumentor\Guides\Nodes\TitleNode;
+use Psr\Log\LoggerInterface;
+
+use function assert;
+
+final class ExternalMenuEntryNodeTransformer extends AbstractMenuEntryNodeTransformer
+{
+    use MenuEntryManagement;
+    use SubSectionHierarchyHandler;
+
+    public function __construct(
+        LoggerInterface $logger,
+    ) {
+        parent::__construct($logger);
+    }
+
+    public function supports(Node $node): bool
+    {
+        return $node instanceof ExternalMenuEntryNode;
+    }
+
+    /** @return list<MenuEntryNode> */
+    protected function handleMenuEntry(MenuNode $currentMenu, MenuEntryNode $entryNode, CompilerContext $compilerContext): array
+    {
+        assert($entryNode instanceof ExternalMenuEntryNode);
+
+        $newEntryNode = new ExternalEntryNode(
+            $entryNode->getUrl(),
+            ($entryNode->getValue() ?? TitleNode::emptyNode())->toString(),
+        );
+
+        if ($currentMenu instanceof TocNode) {
+            $this->attachDocumentEntriesToParents([$newEntryNode], $compilerContext, '');
+        }
+
+        return [$entryNode];
+    }
+
+    public function getPriority(): int
+    {
+        // After DocumentEntryTransformer
+        return 4500;
+    }
+}
diff --git a/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/MenuEntryManagement.php b/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/MenuEntryManagement.php
index c2a9262a2..a1ee0b245 100644
--- a/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/MenuEntryManagement.php
+++ b/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/MenuEntryManagement.php
@@ -15,40 +15,43 @@
 
 use phpDocumentor\Guides\Compiler\CompilerContext;
 use phpDocumentor\Guides\Nodes\DocumentTree\DocumentEntryNode;
+use phpDocumentor\Guides\Nodes\DocumentTree\ExternalEntryNode;
 
 use function sprintf;
 use function str_starts_with;
 
 trait MenuEntryManagement
 {
-    /** @param DocumentEntryNode[] $documentEntriesInTree */
+    /** @param array<DocumentEntryNode|ExternalEntryNode> $entryNodes */
     private function attachDocumentEntriesToParents(
-        array $documentEntriesInTree,
+        array $entryNodes,
         CompilerContext $compilerContext,
         string $currentPath,
     ): void {
-        foreach ($documentEntriesInTree as $documentEntryInToc) {
-            if ($documentEntryInToc->isRoot() || $currentPath === $documentEntryInToc->getFile()) {
-                // The root page may not be attached to any other
-                continue;
-            }
+        foreach ($entryNodes as $entryNode) {
+            if ($entryNode instanceof DocumentEntryNode) {
+                if (($entryNode->isRoot() || $currentPath === $entryNode->getFile())) {
+                    // The root page may not be attached to any other
+                    continue;
+                }
 
-            if ($documentEntryInToc->getParent() !== null && $documentEntryInToc->getParent() !== $compilerContext->getDocumentNode()->getDocumentEntry()) {
-                $this->logger->warning(sprintf(
-                    'Document %s has been added to parents %s and %s. The `toctree` directive changes the '
-                    . 'position of documents in the document tree. Use the `menu` directive to only display a menu without changing the document tree.',
-                    $documentEntryInToc->getFile(),
-                    $documentEntryInToc->getParent()->getFile(),
-                    $compilerContext->getDocumentNode()->getDocumentEntry()->getFile(),
-                ), $compilerContext->getLoggerInformation());
-            }
+                if ($entryNode->getParent() !== null && $entryNode->getParent() !== $compilerContext->getDocumentNode()->getDocumentEntry()) {
+                    $this->logger->warning(sprintf(
+                        'Document %s has been added to parents %s and %s. The `toctree` directive changes the '
+                        . 'position of documents in the document tree. Use the `menu` directive to only display a menu without changing the document tree.',
+                        $entryNode->getFile(),
+                        $entryNode->getParent()->getFile(),
+                        $compilerContext->getDocumentNode()->getDocumentEntry()->getFile(),
+                    ), $compilerContext->getLoggerInformation());
+                }
 
-            if ($documentEntryInToc->getParent() !== null) {
-                continue;
+                if ($entryNode->getParent() !== null) {
+                    continue;
+                }
             }
 
-            $documentEntryInToc->setParent($compilerContext->getDocumentNode()->getDocumentEntry());
-            $compilerContext->getDocumentNode()->getDocumentEntry()->addChild($documentEntryInToc);
+            $entryNode->setParent($compilerContext->getDocumentNode()->getDocumentEntry());
+            $compilerContext->getDocumentNode()->getDocumentEntry()->addChild($entryNode);
         }
     }
 
diff --git a/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/SubInternalMenuEntryNodeTransformer.php b/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/SubInternalMenuEntryNodeTransformer.php
index d0555af72..e36270513 100644
--- a/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/SubInternalMenuEntryNodeTransformer.php
+++ b/packages/guides/src/Compiler/NodeTransformers/MenuNodeTransformers/SubInternalMenuEntryNodeTransformer.php
@@ -16,10 +16,13 @@
 use phpDocumentor\Guides\Compiler\CompilerContext;
 use phpDocumentor\Guides\Exception\DocumentEntryNotFound;
 use phpDocumentor\Guides\Nodes\DocumentTree\DocumentEntryNode;
+use phpDocumentor\Guides\Nodes\DocumentTree\ExternalEntryNode;
+use phpDocumentor\Guides\Nodes\Menu\ExternalMenuEntryNode;
 use phpDocumentor\Guides\Nodes\Menu\InternalMenuEntryNode;
 use phpDocumentor\Guides\Nodes\Menu\MenuEntryNode;
 use phpDocumentor\Guides\Nodes\Menu\MenuNode;
 use phpDocumentor\Guides\Nodes\Node;
+use phpDocumentor\Guides\Nodes\TitleNode;
 
 use function assert;
 use function sprintf;
@@ -74,24 +77,38 @@ private function addSubEntries(
             return;
         }
 
-        foreach ($documentEntry->getChildren() as $subDocumentEntryNode) {
-            $subMenuEntry = new InternalMenuEntryNode(
-                $subDocumentEntryNode->getFile(),
-                $subDocumentEntryNode->getTitle(),
-                [],
-                false,
-                $currentLevel,
-                '',
-                self::isInRootline($subDocumentEntryNode, $compilerContext->getDocumentNode()->getDocumentEntry()),
-                self::isCurrent($subDocumentEntryNode, $compilerContext->getDocumentNode()->getFilePath()),
-            );
+        foreach ($documentEntry->getMenuEntries() as $subEntryNode) {
+            if ($subEntryNode instanceof DocumentEntryNode) {
+                $subMenuEntry = new InternalMenuEntryNode(
+                    $subEntryNode->getFile(),
+                    $subEntryNode->getTitle(),
+                    [],
+                    false,
+                    $currentLevel,
+                    '',
+                    self::isInRootline($subEntryNode, $compilerContext->getDocumentNode()->getDocumentEntry()),
+                    self::isCurrent($subEntryNode, $compilerContext->getDocumentNode()->getFilePath()),
+                );
+
+                if (!$currentMenu->hasOption('titlesonly') && $maxDepth - $currentLevel + 1 > 1) {
+                    $this->addSubSectionsToMenuEntries($subEntryNode, $subMenuEntry, $maxDepth - $currentLevel + 2);
+                }
+
+                $sectionMenuEntry->addMenuEntry($subMenuEntry);
+                $this->addSubEntries($currentMenu, $compilerContext, $subMenuEntry, $subEntryNode, $currentLevel + 1, $maxDepth);
+                continue;
+            }
 
-            if (!$currentMenu->hasOption('titlesonly') && $maxDepth - $currentLevel + 1 > 1) {
-                $this->addSubSectionsToMenuEntries($subDocumentEntryNode, $subMenuEntry, $maxDepth - $currentLevel + 2);
+            if (!($subEntryNode instanceof ExternalEntryNode)) {
+                continue;
             }
 
+            $subMenuEntry = new ExternalMenuEntryNode(
+                $subEntryNode->getValue(),
+                TitleNode::fromString($subEntryNode->getTitle()),
+                $currentLevel,
+            );
             $sectionMenuEntry->addMenuEntry($subMenuEntry);
-            $this->addSubEntries($currentMenu, $compilerContext, $subMenuEntry, $subDocumentEntryNode, $currentLevel + 1, $maxDepth);
         }
     }
 }
diff --git a/packages/guides/src/Compiler/Passes/GlobalMenuPass.php b/packages/guides/src/Compiler/Passes/GlobalMenuPass.php
index 11d6c88c7..a74163a98 100644
--- a/packages/guides/src/Compiler/Passes/GlobalMenuPass.php
+++ b/packages/guides/src/Compiler/Passes/GlobalMenuPass.php
@@ -17,10 +17,14 @@
 use phpDocumentor\Guides\Compiler\CompilerPass;
 use phpDocumentor\Guides\Nodes\DocumentNode;
 use phpDocumentor\Guides\Nodes\DocumentTree\DocumentEntryNode;
+use phpDocumentor\Guides\Nodes\DocumentTree\EntryNode;
+use phpDocumentor\Guides\Nodes\DocumentTree\ExternalEntryNode;
+use phpDocumentor\Guides\Nodes\Menu\ExternalMenuEntryNode;
 use phpDocumentor\Guides\Nodes\Menu\InternalMenuEntryNode;
 use phpDocumentor\Guides\Nodes\Menu\MenuEntryNode;
 use phpDocumentor\Guides\Nodes\Menu\NavMenuNode;
 use phpDocumentor\Guides\Nodes\Menu\TocNode;
+use phpDocumentor\Guides\Nodes\TitleNode;
 use phpDocumentor\Guides\Settings\SettingsManager;
 use Throwable;
 
@@ -115,10 +119,11 @@ private function getMenuEntryWithChildren(CompilerContext $compilerContext, Menu
         return $newMenuEntry;
     }
 
+    /** @param EntryNode<DocumentEntryNode|ExternalEntryNode>|ExternalEntryNode $entryNode */
     private function addSubEntries(
         CompilerContext $compilerContext,
         MenuEntryNode $sectionMenuEntry,
-        DocumentEntryNode $documentEntry,
+        EntryNode $entryNode,
         int $currentLevel,
         int $maxDepth,
     ): void {
@@ -130,17 +135,45 @@ private function addSubEntries(
             return;
         }
 
-        foreach ($documentEntry->getChildren() as $subDocumentEntryNode) {
-            $subMenuEntry = new InternalMenuEntryNode(
-                $subDocumentEntryNode->getFile(),
-                $subDocumentEntryNode->getTitle(),
-                [],
-                false,
-                $currentLevel,
-                '',
-            );
+        if (!$entryNode instanceof DocumentEntryNode) {
+            return;
+        }
+
+        foreach ($entryNode->getMenuEntries() as $subEntryNode) {
+            $subMenuEntry = match ($subEntryNode::class) {
+                DocumentEntryNode::class => $this->createInternalMenuEntry($subEntryNode, $currentLevel),
+                ExternalEntryNode::class => $this->createExternalMenuEntry($subEntryNode, $currentLevel),
+            };
+
             $sectionMenuEntry->addMenuEntry($subMenuEntry);
-            $this->addSubEntries($compilerContext, $subMenuEntry, $subDocumentEntryNode, $currentLevel + 1, $maxDepth);
+            $this->addSubEntries(
+                $compilerContext,
+                $subMenuEntry,
+                $subEntryNode,
+                $currentLevel + 1,
+                $maxDepth,
+            );
         }
     }
+
+    private function createInternalMenuEntry(DocumentEntryNode $subEntryNode, int $currentLevel): InternalMenuEntryNode
+    {
+        return new InternalMenuEntryNode(
+            $subEntryNode->getFile(),
+            $subEntryNode->getTitle(),
+            [],
+            false,
+            $currentLevel,
+            '',
+        );
+    }
+
+    private function createExternalMenuEntry(ExternalEntryNode $subEntryNode, int $currentLevel): ExternalMenuEntryNode
+    {
+        return new ExternalMenuEntryNode(
+            $subEntryNode->getValue(),
+            TitleNode::fromString($subEntryNode->getTitle()),
+            $currentLevel,
+        );
+    }
 }
diff --git a/packages/guides/src/Nodes/DocumentTree/DocumentEntryNode.php b/packages/guides/src/Nodes/DocumentTree/DocumentEntryNode.php
index baf51a780..0bb498b9c 100644
--- a/packages/guides/src/Nodes/DocumentTree/DocumentEntryNode.php
+++ b/packages/guides/src/Nodes/DocumentTree/DocumentEntryNode.php
@@ -13,18 +13,18 @@
 
 namespace phpDocumentor\Guides\Nodes\DocumentTree;
 
-use phpDocumentor\Guides\Nodes\AbstractNode;
-use phpDocumentor\Guides\Nodes\DocumentNode;
 use phpDocumentor\Guides\Nodes\TitleNode;
 
-/** @extends AbstractNode<DocumentNode> */
-final class DocumentEntryNode extends AbstractNode
+use function array_filter;
+use function array_values;
+
+/** @extends EntryNode<DocumentEntryNode|ExternalEntryNode> */
+final class DocumentEntryNode extends EntryNode
 {
-    /** @var DocumentEntryNode[] */
+    /** @var array<DocumentEntryNode|ExternalEntryNode> */
     private array $entries = [];
     /** @var SectionEntryNode[]  */
     private array $sections = [];
-    private DocumentEntryNode|null $parent = null;
 
     public function __construct(
         private readonly string $file,
@@ -38,25 +38,27 @@ public function getTitle(): TitleNode
         return $this->titleNode;
     }
 
-    public function addChild(DocumentEntryNode $child): void
+    public function addChild(DocumentEntryNode|ExternalEntryNode $child): void
     {
         $this->entries[] = $child;
     }
 
-    /** @return DocumentEntryNode[] */
+    /** @return array<DocumentEntryNode> */
     public function getChildren(): array
     {
-        return $this->entries;
-    }
+        // Filter the entries array to only include DocumentEntryNode instances
+        $documentEntries = array_filter($this->entries, static function ($entry) {
+            return $entry instanceof DocumentEntryNode;
+        });
 
-    public function getParent(): DocumentEntryNode|null
-    {
-        return $this->parent;
+        // Re-index the array to maintain numeric keys
+        return array_values($documentEntries);
     }
 
-    public function setParent(DocumentEntryNode|null $parent): void
+    /** @return array<DocumentEntryNode|ExternalEntryNode> */
+    public function getMenuEntries(): array
     {
-        $this->parent = $parent;
+        return $this->entries;
     }
 
     /** @return SectionEntryNode[] */
diff --git a/packages/guides/src/Nodes/DocumentTree/EntryNode.php b/packages/guides/src/Nodes/DocumentTree/EntryNode.php
new file mode 100644
index 000000000..2ae0daad5
--- /dev/null
+++ b/packages/guides/src/Nodes/DocumentTree/EntryNode.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @link https://phpdoc.org
+ */
+
+namespace phpDocumentor\Guides\Nodes\DocumentTree;
+
+use phpDocumentor\Guides\Nodes\AbstractNode;
+
+/**
+ * @template TValue
+ * @extends AbstractNode<TValue>
+ */
+abstract class EntryNode extends AbstractNode
+{
+    private DocumentEntryNode|null $parent = null;
+
+    public function getParent(): DocumentEntryNode|null
+    {
+        return $this->parent;
+    }
+
+    public function setParent(DocumentEntryNode|null $parent): void
+    {
+        $this->parent = $parent;
+    }
+}
diff --git a/packages/guides/src/Nodes/DocumentTree/ExternalEntryNode.php b/packages/guides/src/Nodes/DocumentTree/ExternalEntryNode.php
new file mode 100644
index 000000000..cc8076888
--- /dev/null
+++ b/packages/guides/src/Nodes/DocumentTree/ExternalEntryNode.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @link https://phpdoc.org
+ */
+
+namespace phpDocumentor\Guides\Nodes\DocumentTree;
+
+/** @extends EntryNode<string> */
+final class ExternalEntryNode extends EntryNode
+{
+    public function __construct(string $value, public readonly string $title)
+    {
+        $this->value = $value;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+}
diff --git a/packages/guides/src/Nodes/DocumentTree/SectionEntryNode.php b/packages/guides/src/Nodes/DocumentTree/SectionEntryNode.php
index ebc162238..7876c05ab 100644
--- a/packages/guides/src/Nodes/DocumentTree/SectionEntryNode.php
+++ b/packages/guides/src/Nodes/DocumentTree/SectionEntryNode.php
@@ -13,12 +13,11 @@
 
 namespace phpDocumentor\Guides\Nodes\DocumentTree;
 
-use phpDocumentor\Guides\Nodes\AbstractNode;
 use phpDocumentor\Guides\Nodes\DocumentNode;
 use phpDocumentor\Guides\Nodes\TitleNode;
 
-/** @extends AbstractNode<DocumentNode> */
-final class SectionEntryNode extends AbstractNode
+/** @extends EntryNode<DocumentNode> */
+final class SectionEntryNode extends EntryNode
 {
     /** @var SectionEntryNode[] */
     private array $children = [];
diff --git a/packages/guides/src/Nodes/Menu/InternalMenuEntryNode.php b/packages/guides/src/Nodes/Menu/InternalMenuEntryNode.php
index b81eba96b..dededf72a 100644
--- a/packages/guides/src/Nodes/Menu/InternalMenuEntryNode.php
+++ b/packages/guides/src/Nodes/Menu/InternalMenuEntryNode.php
@@ -57,7 +57,7 @@ public function getEntries(): array
         return $this->children;
     }
 
-    public function addMenuEntry(InternalMenuEntryNode $menuEntryNode): void
+    public function addMenuEntry(MenuEntryNode $menuEntryNode): void
     {
         $this->children[] = $menuEntryNode;
     }
diff --git a/packages/guides/src/Renderer/DocumentTreeIterator.php b/packages/guides/src/Renderer/DocumentTreeIterator.php
index aa46bae65..30266415d 100644
--- a/packages/guides/src/Renderer/DocumentTreeIterator.php
+++ b/packages/guides/src/Renderer/DocumentTreeIterator.php
@@ -77,6 +77,8 @@ public function hasChildren(): bool
 
     public function getChildren(): self|null
     {
-        return new self($this->levelNodes[$this->position]->getChildren(), $this->documents);
+        $children = $this->levelNodes[$this->position]->getChildren();
+
+        return new self($children, $this->documents);
     }
 }
diff --git a/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/expected/index.html b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/expected/index.html
new file mode 100644
index 000000000..86897e927
--- /dev/null
+++ b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/expected/index.html
@@ -0,0 +1,135 @@
+<!DOCTYPE html>
+<html class="no-js" lang="en">
+<head>
+    <title>Document Title</title>
+    <!-- Required meta tags -->
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+        
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
+</head>
+<body>
+<header class="">
+        
+<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
+    <div class="container">
+
+        <a class="navbar-brand" href="#">Navbar</a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarSupportedContent">
+
+                                
+<ul class="navbar-nav me-auto mb-2 mb-lg-0">
+    <li class="nav-item">
+                <a href="https://example.com/index.html#debug-settings" class="nav-link" >
+            Title
+        </a>
+        </li><li class="nav-item">
+                <a href="https://example.org" class="nav-link" >
+            https://example.org
+        </a>
+        </li><li class="nav-item">
+                <a href="/page1.html" class="nav-link" >
+            Some Page
+        </a>
+        </li>            <ul class="level-">
+    <li class="nav-item"><a href="https://example.com/index.html#debug-settings"
+               class="nav-link" >
+                Title
+            </a></li><li class="nav-item"><a href="https://example.org"
+               class="nav-link" >
+                https://example.org
+            </a></li><li class="nav-item"><a href="/page1.html"
+               class="nav-link" >
+                Some Page
+            </a></li></ul>
+</ul>
+
+
+                    </div>
+    </div>
+</nav>
+</header>
+<main id="main-content">
+    <div class="container">
+        <div class="container">
+            <div class="row">
+                <div class="col-lg-3">
+                                <nav class="nav flex-column">
+                    <h2>Some Caption</h2>
+                <ul class="menu-level-main">
+    <li><a href="https://example.com/index.html#debug-settings"
+           class="nav-link">
+            Title
+                </a></li>
+    <li><a href="https://example.org"
+           class="nav-link">
+            https://example.org
+                </a></li>
+    <li><a href="/page1.html"
+           class="nav-link">
+            Some Page
+                </a>            
+<ul class="level-1">
+        <li><a href="https://example.com/index.html#another"
+                       class="nav-link">
+                                Title 2
+                        </a></li>
+        </ul>
+</li>
+            </ul>
+
+</nav>
+
+
+                </div>
+                <div class="col-lg-9">
+                        
+<nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+        <li class="breadcrumb-item"><a href="/index.html">Document Title</a></li>
+            </ol>
+</nav>
+
+                    <!-- content start -->
+                        <div class="section" id="document-title">
+            <h1>Document Title</h1>
+
+            <div class="toc">
+            <p class="caption">Some Caption</p>
+    <ul class="menu-level">
+    <li class="toc-item"><a href="https://example.com/index.html#debug-settings">Title</a></li>
+
+    <li class="toc-item"><a href="https://example.org">https://example.org</a></li>
+
+    <li class="toc-item"><a href="/page1.html#">Some Page</a>        <ul class="menu-level-1">
+            <li class="toc-item"><a href="https://example.com/index.html#another">Title 2</a></li>
+
+                    </ul></li>
+
+    </ul>
+</div>
+
+    </div>
+
+                    <!-- content end -->
+                </div>
+            </div>
+        </div>
+    </div>
+</main>
+        
+<!-- Optional JavaScript; choose one of the two! -->
+
+<!-- Option 1: Bootstrap Bundle with Popper -->
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
+
+<!-- Option 2: Separate Popper and Bootstrap JS -->
+<!--
+<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js" integrity="sha384-IQsoLXl5PILFhosVNubq5LC7Qb9DXgDA9i+tQ8Zj3iwWAwPtgFTxbJ8NT4GN1R8p" crossorigin="anonymous"></script>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.min.js" integrity="sha384-cVKIPhGWiC2Al4u+LWgxfKTRIcfu0JTxR+EQDz/bgldoEyl4H0zUF0QKbrJ0EcQF" crossorigin="anonymous"></script>
+-->
+</body>
+</html>
diff --git a/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/guides.xml b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/guides.xml
new file mode 100644
index 000000000..4889c7b2e
--- /dev/null
+++ b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/guides.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<guides xmlns="https://www.phpdoc.org/guides"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="https://www.phpdoc.org/guides packages/guides-cli/resources/schema/guides.xsd"
+        theme="bootstrap"
+>
+    <extension class="phpDocumentor\Guides\Bootstrap"/>
+</guides>
diff --git a/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/index.rst b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/index.rst
new file mode 100644
index 000000000..78d334414
--- /dev/null
+++ b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/index.rst
@@ -0,0 +1,9 @@
+Document Title
+==============
+
+..  toctree::
+    :caption: Some Caption
+
+    Title <https://example.com/index.html#debug-settings>
+    https://example.org
+    Some Page <page1>
diff --git a/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/page1.rst b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/page1.rst
new file mode 100644
index 000000000..687dd293d
--- /dev/null
+++ b/tests/Integration/tests-full/bootstrap/bootstrap-menu-external-on-subpage/input/page1.rst
@@ -0,0 +1,10 @@
+======
+Page 1
+======
+
+Lorem Ipsum Dolor.
+
+..  toctree::
+    :caption: Some Caption
+
+    Title 2 <https://example.com/index.html#another>
\ No newline at end of file