| title | description | services | documentationcenter | author | manager | editor | ms.assetid | ms.service | ms.workload | ms.tgt_pltfrm | ms.devlang | ms.topic | ms.date | ms.author |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Debug HTTP headers for Azure CDN from Microsoft | Microsoft Docs |
Debug cache request headers provides additional information about the cache policy applied to the requested asset. These headers are specific to Azure CDN from Microsoft. |
cdn |
asudbring |
danielgi |
azure-cdn |
media |
na |
na |
article |
07/31/2019 |
allensu |
The debug response header, X-Cache, provides details as to what layer of the CDN stack the content was served from. This header is specific to Azure CDN from Microsoft.
| Header | Description |
|---|---|
| X-Cache: TCP_HIT | This header is returned when the content is served from the CDN edge cache. |
| X-Cache: TCP_REMOTE_HIT | This header is returned when the content is served from the CDN regional cache (Origin shield layer) |
| X-Cache: TCP_MISS | This header is returned when there is a cache miss, and the content is served from the Origin. |