![It’s often very useful to provide inline performance informa...](https://readwise-assets.s3.amazonaws.com/static/images/default-book-icon-0.c6917d331b03.png)
Josh BeckmanIt’s often very useful to provide inline performance information in a query response, for example when debugging a slow query. The GraphQL specification allows servers to include additional information as part of the response under an extensions key. This is incredibly useful for metadata like tracing information. Apollo
📕Marc-Andre GirouxProduction Ready GraphQL