From [Scrape protocol content negotiation](https://prometheus.io/docs/instrumenting/content_negotiation/#compression): > The Accept-Encoding header SHOULD be set to: > > - `gzip` if compression is enabled > - `identity` if compression is disabled Given the changes in #7055, it should be relatively trivial to add support for compression with GZip to [`PrometheusExporterMiddleware`](https://github.com/open-telemetry/opentelemetry-dotnet/blob/08f25bc5d7529bf0eb545f43f9dba288ebd6c089/src/OpenTelemetry.Exporter.Prometheus.AspNetCore/PrometheusExporterMiddleware.cs#L63-L78). ~~Depends on #7209.~~ > [!NOTE] > **Out-of-scope**: Adding compression support to OpenTelemetry.Exporter.Prometheus.HttpListener.
From Scrape protocol content negotiation:
Given the changes in #7055, it should be relatively trivial to add support for compression with GZip to
PrometheusExporterMiddleware.Depends on #7209.Note
Out-of-scope: Adding compression support to OpenTelemetry.Exporter.Prometheus.HttpListener.