Test if loopbacks work as expected.

Description Description

A loopback is when WordPress queries itself, for example to start a new WP_Cron instance, or when editing a plugin or theme. This has shown itself to be a recurring issue, as code can very easily break this interaction.

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Return Return

(array) The test results.

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Source Source

File: wp-admin/includes/class-wp-site-health.php

	public function get_test_loopback_requests() {
		$result = array(
			'label'       => __( 'Your site can perform loopback requests' ),
			'status'      => 'good',
			'badge'       => array(
				'label' => __( 'Performance' ),
				'color' => 'blue',
			'description' => sprintf(
				__( 'Loopback requests are used to run scheduled events, and are also used by the built-in editors for themes and plugins to verify code stability.' )
			'actions'     => '',
			'test'        => 'loopback_requests',

		$check_loopback = $this->can_perform_loopback();

		$result['status'] = $check_loopback->status;

		if ( 'good' !== $result['status'] ) {
			$result['label'] = __( 'Your site could not complete a loopback request' );

			$result['description'] .= sprintf(

		return $result;

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Changelog Changelog

Version Description
5.2.0 Introduced.

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