How to check list of Layout XML called for a specific page in Magento 2?

You can check a list of called layout XML for specific pages by Magento\Framework\App\View class.

Call getLayout() method from Magento\Framework\App\View.php class.

getLayout()->getUpdate()->getHandles() is used for getting all the handles of a page.

You need to add the following code at the end of root index.php file to check XML files.

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$xmlLayout = $objectManager->get(\Magento\Framework\App\View::class);
var_dump($xmlLayout->getLayout()->getUpdate()->getHandles());

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();

$xmlLayout = $objectManager->get(\Magento\Framework\App\View::class);

var_dump($xmlLayout->getLayout()->getUpdate()->getHandles());

To check for a specific page, You need to call the function as below:

public function __construct(
    \Magento\Framework\App\ViewInterface $view
) {
    $this->view = $view;
}

public function __construct(

\Magento\Framework\App\ViewInterface $view

) {

$this->view = $view;

}

Call Inside a function,
$loadedHandles = $this->view->getLayout()->getUpdate()->getHandles();

Now you can print the result $loadedHandles from above expression.

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