'rocket_lcp_height_threshold'
		);

		if ( ! is_int( $width_threshold ) ) {
			$width_threshold = $default_width_threshold;
		}

		if ( ! is_int( $height_threshold ) ) {
			$height_threshold = $default_height_threshold;
		}

		$default_delay = 500;

		/**
		 * Filters the delay before the beacon is triggered.
		 *
		 * @param int $delay The delay in milliseconds. Default is 500.
		 */
		$delay = rocket_apply_filter_and_deprecated(
			'rocket_performance_hints_optimization_delay',
			[ $default_delay ],
			'3.16.4',
			'rocket_lcp_delay'
		);

		if ( ! is_int( $delay ) ) {
			$delay = $default_delay;
		}

		$data = [
			'ajax_url'         => admin_url( 'admin-ajax.php' ),
			'nonce'            => wp_create_nonce( 'rocket_beacon' ),
			'url'              => $url,
			'is_mobile'        => $is_mobile,
			'width_threshold'  => $width_threshold,
			'height_threshold' => $height_threshold,
			'delay'            => $delay,
			'debug'            => rocket_get_constant( 'WP_ROCKET_DEBUG' ),
			'status'           => [],
		];

		$data_modified = null;
		foreach ( $this->factories as $factory ) {
			$data          = $data_modified ?? $data;
			$data_modified = $factory->get_frontend_controller()->add_custom_data( $data );
		}

		$inline_script = '<script>var rocket_beacon_data = ' . wp_json_encode( $data_modified ) . '</script>';

		// Get the URL of the script.
		$script_url = rocket_get_constant( 'WP_ROCKET_ASSETS_JS_URL' ) . 'wpr-beacon' . $min . '.js';

		// Create the script tag.
		$script_tag = "<script data-name=\"wpr-wpr-beacon\" src='{$script_url}' async></script>"; // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedScript

		// Append the script tag just before the closing body tag.
		return str_replace( '</body>', $inline_script . $script_tag . '</body>', $html );
	}

	/**
	 * Determines if the page is mobile and separate cache for mobile files is enabled.
	 *
	 * @return bool
	 */
	private function is_mobile(): bool {
		return $this->options->get( 'cache_mobile', 0 )
			&& $this->options->get( 'do_caching_mobile_files', 0 )
			&& wp_is_mobile();
	}
}