---
title: Add origin_offload metric
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2024/06/add-origin_offload-metric
---

The Real-Time and Historical Stats responses now include a new metric `origin_offload`. The description of `origin_offload` was also updated for the Domain Inspector APIs. For Domain Inspector, the metric was previously computed as the ratio of response bytes delivered from the edge compared to what is delivered from origin, between 0 and 1. (`edge_resp_body_bytes` + `edge_resp_header_bytes`) / (`origin_fetch_resp_body_bytes` + `origin_fetch_resp_header_bytes` + `edge_resp_body_bytes` + `edge_resp_header_bytes`).