ext_localconf.php

<?php

declare(strict_types=1);

use TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry;
use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Seo\Canonical\CanonicalGenerator;
use TYPO3\CMS\Seo\MetaTag\MetaTagGenerator;
use TYPO3\CMS\Seo\MetaTag\OpenGraphMetaTagManager;
use TYPO3\CMS\Seo\MetaTag\TwitterCardMetaTagManager;

defined('TYPO3') or die();

$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['TYPO3\CMS\Frontend\Page\PageGenerator']['generateMetaTags']['metatag'] =
    MetaTagGenerator::class . '->generate';
$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['TYPO3\CMS\Frontend\Page\PageGenerator']['generateMetaTags']['canonical'] =
    CanonicalGenerator::class . '->generate';

$metaTagManagerRegistry = GeneralUtility::makeInstance(MetaTagManagerRegistry::class);
$metaTagManagerRegistry->registerManager(
    'opengraph',
    OpenGraphMetaTagManager::class
);
$metaTagManagerRegistry->registerManager(
    'twitter',
    TwitterCardMetaTagManager::class
);
unset($metaTagManagerRegistry);

// Add module configuration
ExtensionManagementUtility::addTypoScriptSetup(trim('
    config.pageTitleProviders {
        seo {
            provider = TYPO3\CMS\Seo\PageTitle\SeoTitlePageTitleProvider
            before = record
        }
    }
'));