---
title: Update bandwidth description
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2023/01/update-bandwidth-description
---

The `bandwidth` calculation has been updated to include the new fanout metrics:

- `fanout_resp_header_bytes`
- `fanout_resp_body_bytes`
- `fanout_bereq_header_bytes`
- `fanout_bereq_body_bytes`