diff --git a/plugins/optimization-detective/class-od-url-metric.php b/plugins/optimization-detective/class-od-url-metric.php
index 9ed3ed74a5..2c7a5bc2d5 100644
--- a/plugins/optimization-detective/class-od-url-metric.php
+++ b/plugins/optimization-detective/class-od-url-metric.php
@@ -44,6 +44,12 @@
  *                                elements: ElementData[]
  *                            }
  *
+ * @property-read string        $uuid
+ * @property-read string        $url
+ * @property-read float         $timestamp
+ * @property-read ViewportRect  $viewport
+ * @property-read ElementData[] $elements
+ *
  * @since 0.1.0
  * @access private
  */
@@ -306,6 +312,36 @@ protected static function extend_schema_with_optional_properties( array $propert
 		return $properties_schema;
 	}
 
+	/**
+	 * Gets property value for an arbitrary key.
+	 *
+	 * This is particularly useful in conjunction with the `od_url_metric_schema_root_additional_properties` filter.
+	 *
+	 * @since n.e.x.t
+	 * @todo Instead of returning null when the key doesn't exist, should the `default` value be returned as defined in the schema?
+	 *
+	 * @param string $key Property.
+	 * @return mixed|null
+	 */
+	public function get( string $key ) {
+		return $this->data[ $key ] ?? null;
+	}
+
+	/**
+	 * Gets property value for an arbitrary key.
+	 *
+	 * This is useful with the `@property-read` annotations for the class. For accessing other data,
+	 * it's likely the `get()` method will be more useful for static analysis reasons.
+	 *
+	 * @since n.e.x.t
+	 *
+	 * @param string $key Property.
+	 * @return mixed|null
+	 */
+	public function __get( string $key ) {
+		return $this->get( $key );
+	}
+
 	/**
 	 * Gets UUID.
 	 *
diff --git a/plugins/optimization-detective/tests/test-class-od-url-metric.php b/plugins/optimization-detective/tests/test-class-od-url-metric.php
index dd74a2f8f8..7d842d2d46 100644
--- a/plugins/optimization-detective/tests/test-class-od-url-metric.php
+++ b/plugins/optimization-detective/tests/test-class-od-url-metric.php
@@ -152,6 +152,8 @@ public function data_provider(): array {
 	/**
 	 * Tests construction.
 	 *
+	 * @todo PHPStan complains when adding @covers tags for `::get()` and `::__get()` saying they are invalid method references.
+	 *
 	 * @covers ::get_viewport
 	 * @covers ::get_viewport_width
 	 * @covers ::get_timestamp
@@ -169,11 +171,29 @@ public function test_constructor( array $data, string $error = '' ): void {
 			$this->expectExceptionMessage( $error );
 		}
 		$url_metric = new OD_URL_Metric( $data );
+
 		$this->assertSame( $data['viewport'], $url_metric->get_viewport() );
+		$this->assertSame( $data['viewport'], $url_metric->get( 'viewport' ) );
+		$this->assertSame( $data['viewport'], $url_metric->viewport );
 		$this->assertSame( $data['viewport']['width'], $url_metric->get_viewport_width() );
+		$this->assertSame( $data['viewport']['width'], $url_metric->viewport['width'] );
+
 		$this->assertSame( $data['timestamp'], $url_metric->get_timestamp() );
+		$this->assertSame( $data['timestamp'], $url_metric->get( 'timestamp' ) );
+		$this->assertSame( $data['timestamp'], $url_metric->timestamp );
+
 		$this->assertSame( $data['elements'], $url_metric->get_elements() );
+		$this->assertSame( $data['elements'], $url_metric->get( 'elements' ) );
+		$this->assertSame( $data['elements'], $url_metric->elements );
+
+		$this->assertSame( $data['url'], $url_metric->get_url() );
+		$this->assertSame( $data['url'], $url_metric->get( 'url' ) );
+		$this->assertSame( $data['url'], $url_metric->url );
+
 		$this->assertTrue( wp_is_uuid( $url_metric->get_uuid() ) );
+		$this->assertSame( $url_metric->get_uuid(), $url_metric->uuid );
+		$this->assertSame( $url_metric->get_uuid(), $url_metric->get( 'uuid' ) );
+
 		$serialized = $url_metric->jsonSerialize();
 		if ( ! array_key_exists( 'uuid', $data ) ) {
 			$this->assertTrue( wp_is_uuid( $serialized['uuid'] ) );