diff --git a/Classes/DataCollector/Utility/OverlayUtility.php b/Classes/DataCollector/Utility/OverlayUtility.php
index 8aa125c5..5e2deedf 100644
--- a/Classes/DataCollector/Utility/OverlayUtility.php
+++ b/Classes/DataCollector/Utility/OverlayUtility.php
@@ -5,7 +5,6 @@
 use PAGEmachine\Searchable\Utility\TsfeUtility;
 use TYPO3\CMS\Core\SingletonInterface;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Core\Utility\VersionNumberUtility;
 use TYPO3\CMS\Frontend\Page\PageRepository;
 
 /*
@@ -33,9 +32,7 @@ public static function getInstance()
      */
     public function __construct(PageRepository $pageRepository = null)
     {
-        if (version_compare(VersionNumberUtility::getCurrentTypo3Version(), '10', '<')) {
-            TsfeUtility::createTSFE();
-        }
+        TsfeUtility::createTSFE();
 
         $this->pageRepository = $pageRepository ?: GeneralUtility::makeInstance(PageRepository::class);
     }
diff --git a/Classes/LinkBuilder/PageLinkBuilder.php b/Classes/LinkBuilder/PageLinkBuilder.php
index 6498f77f..1ee06208 100644
--- a/Classes/LinkBuilder/PageLinkBuilder.php
+++ b/Classes/LinkBuilder/PageLinkBuilder.php
@@ -27,7 +27,7 @@ class PageLinkBuilder extends AbstractLinkBuilder
             'noCacheHash' => false,
             'section' => '',
             'linkAccessRestrictedPages' => false,
-            'absolute' => false,
+            'absolute' => true,
             'addQueryString' => false,
             'argumentsToBeExcludedFromQueryString' => [],
             'addQueryStringMethod' => null,
diff --git a/Classes/Middleware/UriBuilder.php b/Classes/Middleware/UriBuilder.php
index 37f6e561..c2432301 100644
--- a/Classes/Middleware/UriBuilder.php
+++ b/Classes/Middleware/UriBuilder.php
@@ -9,6 +9,9 @@
 use Psr\Http\Server\RequestHandlerInterface;
 use TYPO3\CMS\Core\Context\Context;
 use TYPO3\CMS\Core\Http\JsonResponse;
+use TYPO3\CMS\Core\Routing\PageArguments;
+use TYPO3\CMS\Core\Site\Entity\NullSite;
+use TYPO3\CMS\Core\Site\SiteFinder;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Core\Utility\VersionNumberUtility;
 use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
@@ -62,6 +65,16 @@ private function bootFrontendController(ServerRequestInterface $request): void
             return;
         }
 
+        $site = $request->getAttribute('site');
+
+        if ($site instanceof NullSite) {
+            $siteFinder = GeneralUtility::makeInstance(SiteFinder::class);
+            $site = array_values($siteFinder->getAllSites())[0] ?? $site;
+            $request = $request->withAttribute('site', $site);
+            $request = $request->withAttribute('language', $site->getDefaultLanguage());
+            $request = $request->withAttribute('routing', new PageArguments($site->getRootPageId(), '0', []));
+        }
+
         $frontendController = GeneralUtility::makeInstance(
             TypoScriptFrontendController::class,
             GeneralUtility::makeInstance(Context::class),
diff --git a/Classes/Utility/TsfeUtility.php b/Classes/Utility/TsfeUtility.php
index eccb2f76..5b829f99 100644
--- a/Classes/Utility/TsfeUtility.php
+++ b/Classes/Utility/TsfeUtility.php
@@ -1,7 +1,13 @@
 <?php
 namespace PAGEmachine\Searchable\Utility;
 
+use TYPO3\CMS\Core\Context\Context;
+use TYPO3\CMS\Core\Http\ServerRequestFactory;
+use TYPO3\CMS\Core\Routing\PageArguments;
+use TYPO3\CMS\Core\Site\SiteFinder;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Utility\VersionNumberUtility;
+use TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication;
 use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
 use TYPO3\CMS\Frontend\Utility\EidUtility;
 
@@ -21,27 +27,59 @@ class TsfeUtility
      */
     public static function createTSFE()
     {
-        // @extensionScannerIgnoreLine
-        if (class_exists(EidUtility::class)) {
+        if (version_compare(VersionNumberUtility::getCurrentTypo3Version(), '10', '<')) {
             // @extensionScannerIgnoreLine
-            EidUtility::initTCA(); // @phpstan-ignore-line
-        }
+            if (class_exists(EidUtility::class)) {
+                // @extensionScannerIgnoreLine
+                EidUtility::initTCA(); // @phpstan-ignore-line
+            }
 
-        if (!is_object($GLOBALS['TSFE'])) {
-            $GLOBALS['TSFE'] = GeneralUtility::makeInstance(TypoScriptFrontendController::class, $GLOBALS['TYPO3_CONF_VARS'], 1, 0);
+            if (!is_object($GLOBALS['TSFE'])) {
+                $GLOBALS['TSFE'] = GeneralUtility::makeInstance(TypoScriptFrontendController::class, $GLOBALS['TYPO3_CONF_VARS'], 1, 0);
 
-            if (method_exists($GLOBALS['TSFE'], 'connectToDB')) { // TYPO3v9+
-                // @extensionScannerIgnoreLine
-                $GLOBALS['TSFE']->connectToDB();
+                if (method_exists($GLOBALS['TSFE'], 'connectToDB')) { // TYPO3v9+
+                    // @extensionScannerIgnoreLine
+                    $GLOBALS['TSFE']->connectToDB();
+                }
+
+                $GLOBALS['TSFE']->initFEuser();
+                $GLOBALS['TSFE']->determineId();
+                $GLOBALS['TSFE']->initTemplate();
+                $GLOBALS['TSFE']->getConfigArray();
+                $_SERVER['HTTP_HOST'] = 'localhost';
+                GeneralUtility::flushInternalRuntimeCaches();
+                $GLOBALS['TSFE']->preparePageContentGeneration();
             }
 
-            $GLOBALS['TSFE']->initFEuser();
-            $GLOBALS['TSFE']->determineId();
-            $GLOBALS['TSFE']->initTemplate();
-            $GLOBALS['TSFE']->getConfigArray();
-            $_SERVER['HTTP_HOST'] = 'localhost';
-            GeneralUtility::flushInternalRuntimeCaches();
-            $GLOBALS['TSFE']->preparePageContentGeneration();
+            return;
         }
+
+        $siteFinder = GeneralUtility::makeInstance(SiteFinder::class);
+        $site = array_values($siteFinder->getAllSites())[0] ?? null;
+
+        if ($site === null) {
+            throw new \RuntimeException('No site found for TSFE setup', 1610444900);
+        }
+
+        $requestFactory = GeneralUtility::makeInstance(ServerRequestFactory::class);
+        $request = $requestFactory->createServerRequest('get', 'http://localhost')
+            ->withAttribute('site', $site)
+            ->withAttribute('language', $site->getDefaultLanguage())
+            ->withAttribute('routing', new PageArguments($site->getRootPageId(), '0', []))
+            ->withAttribute('frontend.user', GeneralUtility::makeInstance(FrontendUserAuthentication::class));
+        $GLOBALS['TYPO3_REQUEST'] = $request;
+
+        $frontendController = GeneralUtility::makeInstance(
+            TypoScriptFrontendController::class,
+            GeneralUtility::makeInstance(Context::class),
+            $request->getAttribute('site'),
+            $request->getAttribute('language'),
+            $request->getAttribute('routing'),
+            $request->getAttribute('frontend.user')
+        );
+        $frontendController->fetch_the_id($request);
+        $frontendController->getConfigArray($request);
+
+        $GLOBALS['TSFE'] = $frontendController;
     }
 }
diff --git a/Tests/Functional/AbstractElasticsearchTest.php b/Tests/Functional/AbstractElasticsearchTest.php
index def1f765..358b77e9 100644
--- a/Tests/Functional/AbstractElasticsearchTest.php
+++ b/Tests/Functional/AbstractElasticsearchTest.php
@@ -73,10 +73,10 @@ protected function setUp()
                     ],
                 ],
                 'indexers' => [
-                    'pages' => [
+                    'foo_pages' => [
                         'className' => PagesIndexer::class,
                         'config' => [
-                            'type' => 'test_pages',
+                            'type' => 'foo_pages',
                             'collector' => [
                                 'config' => [
                                     'pid' => 1,
@@ -84,6 +84,28 @@ protected function setUp()
                             ],
                         ],
                     ],
+                    'bar_pages' => [
+                        'className' => PagesIndexer::class,
+                        'config' => [
+                            'type' => 'bar_pages',
+                            'collector' => [
+                                'config' => [
+                                    'pid' => 100,
+                                ],
+                            ],
+                        ],
+                    ],
+                    'qux_pages' => [
+                        'className' => PagesIndexer::class,
+                        'config' => [
+                            'type' => 'qux_pages',
+                            'collector' => [
+                                'config' => [
+                                    'pid' => 200,
+                                ],
+                            ],
+                        ],
+                    ],
                     'content' => [
                         'className' => TcaIndexer::class,
                         'config' => [
@@ -109,7 +131,17 @@ protected function setUp()
         $this->getDatabaseConnection()->insertArray('pages', [
             'uid' => 1,
             'doktype' => PageRepository::DOKTYPE_DEFAULT,
-            'title' => 'Root',
+            'title' => 'Foo Root',
+        ]);
+        $this->getDatabaseConnection()->insertArray('pages', [
+            'uid' => 100,
+            'doktype' => PageRepository::DOKTYPE_DEFAULT,
+            'title' => 'Bar Root',
+        ]);
+        $this->getDatabaseConnection()->insertArray('pages', [
+            'uid' => 200,
+            'doktype' => PageRepository::DOKTYPE_DEFAULT,
+            'title' => 'Qux Root',
         ]);
 
         $typoScriptConstantsFile = 'EXT:searchable/Configuration/TypoScript/constants.typoscript';
@@ -122,6 +154,8 @@ protected function setUp()
             __DIR__ . '/Fixtures/TypoScript/page.typoscript',
             $typoScriptSetupFile,
         ]);
+        $this->setUpFrontendRootPage(100);
+        $this->setUpFrontendRootPage(200);
         $this->getDatabaseConnection()->updateArray(
             'sys_template',
             [
diff --git a/Tests/Functional/Service/IndexingServiceTest.php b/Tests/Functional/Service/IndexingServiceTest.php
index eaa95c49..2c915c6f 100644
--- a/Tests/Functional/Service/IndexingServiceTest.php
+++ b/Tests/Functional/Service/IndexingServiceTest.php
@@ -5,6 +5,8 @@
 
 use PAGEmachine\Searchable\Service\IndexingService;
 use PAGEmachine\Searchable\Tests\Functional\AbstractElasticsearchTest;
+use TYPO3\CMS\Core\Configuration\SiteConfiguration;
+use TYPO3\CMS\Core\Core\Environment;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Log\LogLevel;
 use TYPO3\CMS\Core\Log\Writer\FileWriter;
@@ -69,7 +71,7 @@ public function indexesRecordsFully(): void
             [
                 'title' => 'Test page',
                 'searchable_meta' => [
-                    'renderedLink' => version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9', '>=') ? '/test-page/' : 'index.php?id=2',
+                    'renderedLink' => version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9', '>=') ? '/test-page/' : 'http://localhost/index.php?id=2',
                 ],
             ]
         );
@@ -124,7 +126,7 @@ public function indexesRecordTranslations(): void
             [
                 'title' => 'Translated test page',
                 'searchable_meta' => [
-                    'renderedLink' => version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9', '>=') ? '/da/translated-test-page/' : 'index.php?id=2&L=1',
+                    'renderedLink' => version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9', '>=') ? '/da/translated-test-page/' : 'http://localhost/index.php?id=2&L=1',
                 ],
             ],
             1
@@ -272,6 +274,66 @@ public function skipsPagesWithNoSearchFromIndexing(): void
         $this->assertDocumentInIndex(5);
     }
 
+    /**
+     * @test
+     */
+    public function respectsSiteBase(): void
+    {
+        if (version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9', '<')) {
+            $this->markTestSkipped('TYPO3v9+ only');
+        }
+
+        $siteConfiguration = GeneralUtility::makeInstance(
+            SiteConfiguration::class,
+            Environment::getConfigPath() . '/sites'
+        );
+        $configuration = $siteConfiguration->load('100');
+        $configuration['base'] = 'https://bar.example.org/';
+        $siteConfiguration->write('100', $configuration);
+
+        $configuration = $siteConfiguration->load('200');
+        $configuration['base'] = 'https://qux.example.org/';
+        $siteConfiguration->write('200', $configuration);
+
+        $this->getDatabaseConnection()->insertArray('pages', [
+            'uid' => 101,
+            'pid' => 100,
+            'doktype' => PageRepository::DOKTYPE_DEFAULT,
+            'title' => 'Bar test page',
+            'slug' => '/bar-test-page/',
+        ]);
+        $this->getDatabaseConnection()->insertArray('pages', [
+            'uid' => 201,
+            'pid' => 200,
+            'doktype' => PageRepository::DOKTYPE_DEFAULT,
+            'title' => 'Qux test page',
+            'slug' => '/qux-test-page/',
+        ]);
+
+        $this->assertIndexEmpty();
+
+        $this->indexingService->indexFull();
+
+        $this->assertDocumentInIndex(
+            101,
+            [
+                'title' => 'Bar test page',
+                'searchable_meta' => [
+                    'renderedLink' => 'https://bar.example.org/bar-test-page/',
+                ],
+            ]
+        );
+        $this->assertDocumentInIndex(
+            201,
+            [
+                'title' => 'Qux test page',
+                'searchable_meta' => [
+                    'renderedLink' => 'https://qux.example.org/qux-test-page/',
+                ],
+            ]
+        );
+    }
+
     /**
      * @return void
      */
diff --git a/phpstan.neon b/phpstan.neon
index 5fd13416..82eca434 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -21,15 +21,23 @@ parameters:
       path: Classes/Middleware/UriBuilder.php
     - message: '#TYPO3\\CMS\\Core\\Context\\.+#'
       paths:
+        - Classes/Middleware/UriBuilder.php
         - Classes/Service/IndexingService.php
+        - Classes/Utility/TsfeUtility.php
         - Classes/ViewHelpers/SiteLanguageViewHelper.php
     - message: '#TYPO3\\CMS\\Core\\Database\\PostProcessQueryHookInterface#'
       paths:
         - ext_localconf.php
         - Classes/Hook/DatabaseConnectionHook.php
-    - message: '#TYPO3\\CMS\\Core\\Context\\Context#'
-      path: Classes/Middleware/UriBuilder.php
     - message: '#TYPO3\\CMS\\Core\\Http\\JsonResponse#'
       path: Classes/Middleware/UriBuilder.php
+    - message: '#TYPO3\\CMS\\Core\\Routing\\.+#'
+      paths:
+        - Classes/Middleware/UriBuilder.php
+        - Classes/Utility/TsfeUtility.php
+    - message: '#TYPO3\\CMS\\Core\\Site\\.+#'
+      paths:
+        - Classes/Middleware/UriBuilder.php
+        - Classes/Utility/TsfeUtility.php
 
   reportUnmatchedIgnoredErrors: false