About the Domains page
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The Domains page gives you access to the Domain Inspector dashboard, which provides real-time and historic visibility into response data for traffic from your domains and subdomains to a Fastly service. To access the Domains page, go to Observability > Domains.
Before you begin
Domain Inspector is disabled by default. Anyone assigned the role of superuser or engineer can enable a 30-day trial directly in the web interface either on the Domains page or on the Products page. After your trial expires, Domain Inspector can be purchased for an account by contacting sales@fastly.com and then enabled for a service by any superuser or engineer, which will result in changes to your monthly bill.
Domain Inspector is not supported on services that use IP-to-service pinning.
Be sure you know how to access the web interface controls before learning about the details you'll encounter here.
Enabling and disabling Domain Inspector
IMPORTANT: To enable or disable this product via the API once you've purchased it, check out our developer documentation.
Enabling Domain Inspector
To enable Domain Inspector for a service:
Log in to the Fastly control panel.
- Go to Observability > Domains.
- Click the Monitor domain responses switch to the On position to enable Domain Inspector for the service.
Once enabled, any user on your account can start viewing real-time and historic stats metrics about your domains immediately. Historic metrics usually become available two minutes after the end of each minute, but can take up to 15 minutes to appear.
Disabling Domain Inspector
To disable Domain Inspector for a service:
Log in to the Fastly control panel.
- Go to Observability > Domains.
- Click the Monitor domain responses switch to the Off position to disable Domain Inspector for the service.
Once disabled, we stop collecting real-time and historic stats metrics about your domains.
About the Domain Inspector dashboard
The Domain Inspector dashboard displays a wide variety of metrics to help you understand ongoing activity with the domains associated with your services.
Aggregate metrics
Once Domain Inspector is enabled for your account, the Domain Inspector dashboard displays a series of aggregate metrics tiles below the page controls.
When you select All domains from the Domain menu, these aggregate metrics appear.
| Chart | Service Type Availability | Description |
|---|---|---|
| Total domains | Deliver and Compute | The total number of domains, active or inactive, configured for this account. |
| Active domains | Deliver and Compute | The total number of domains active within the last 30 days. |
| Total requests | Deliver and Compute | The number of requests from all active domains. |
| Bandwidth | Deliver and Compute | The bandwidth, in bytes, for all active domains. |
| Average error ratio | Deliver and Compute | The average ratio of error responses for all active domains. |
When you select a specific domain from the Domain menu, these aggregate metrics appear.
| Chart | Service Type Availability | Description |
|---|---|---|
| Requests | Deliver and Compute | The number of requests for this domain. |
| Average error ratio | Deliver and Compute | The average ratio of error responses for this domain. |
| Edge Hit Ratio | Deliver | The percentage of cache hits to all cacheable content for this domain. |
| Bandwidth | Deliver and Compute | The bandwidth, in bytes, for this domain. |
| Origin offload bytes | Deliver | The average amount of content, in bytes served, from the edge for this domain. |
Metrics for all domains
When you select All domains from the Domain menu, the dashboard displays the following metrics tiles below the aggregate metrics tiles.
| Chart | Service Type Availability | Description |
|---|---|---|
| 5xx by Domain | Deliver and Compute | The number of 5xx type (server error) HTTP response status codes delivered by each domain. |
| 4xx by Domain | Deliver and Compute | The number of 4xx type (client error) HTTP response status codes delivered by each domain. |
| Edge requests by Domain | Deliver | The number of requests from the edge to domain. |
| Compute requests by Domain | Compute | The number of requests that were received by the Compute platform. |
| Bandwidth by Domain | Deliver and Compute | The average bytes per second served for each domain. |
| Bytes Delivered by Domain | Deliver and Compute | The total number of bytes served for each domain. |
| 3xx by Domain | Deliver and Compute | The number of 3xx type (redirection) HTTP response status codes delivered by each domain. |
| 2xx by Domain | Deliver and Compute | The number of 2xx type (success) HTTP response codes delivered by each domain. |
| Total Wall Clock Time by Domain | Compute | The total amount of time used to process your requests, including active CPU time. |
| CPU Time by Domain | Compute | The amount of active CPU time used to process your requests. |
Metrics for specific domains
When you select any single domain from the Domain menu, the Domain Inspector dashboard displays the following metrics.
| Chart | Service Type Availability | Description |
|---|---|---|
| Edge Status 5xx Details | Deliver | The distribution of 5xx (server) status codes delivered from the edge. |
| Compute Status 5xx Details | Compute | The distribution of 5xx (server) status codes delivered from the Compute platform. |
| Origin Status 5xx Details | Deliver and Compute | The distribution of 5xx (server) status codes delivered from the domain's origin. |
| Edge Status 4xx Details | Deliver | The distribution of 4xx (server) status codes delivered from the edge. |
| Compute Status 4xx Details | Compute | The distribution of 4xx (server) status codes delivered from the Compute platform. |
| Origin Status 4xx Details | Deliver and Compute | The distribution of 4xx (server) status codes delivered from the domain's origin. |
| Edge Status Response Codes | Deliver | A summary of status response codes delivered at the edge. |
| Compute Status Response Codes | Compute | A summary of status response codes delivered from the Compute platform. |
| Origin Status Response Codes | Deliver and Compute | A summary of status response codes from the domain's origin. |
| Edge Requests | Deliver | The number of requests received at the edge. |
| Compute Requests | Compute | The number of requests received on the Compute platform. |
| Origin Requests | Deliver and Compute | The number of origin requests fetched for a domain. |
| Bandwidth by Domain | Deliver and Compute | The average bytes per second served by each domain. |
| Bytes Delivered by Domain | Deliver and Compute | The total number of bytes served by each domain. |
| Edge Hit Ratio | Deliver | The percentage of cache hits to all cacheable content over time. |
| Origin Offload | Deliver | The average amount of content, in bytes served, from the edge. |
| Edge Status 3xx Details | Deliver | The distribution of 3xx (server) status codes delivered from the edge. |
| Compute Status 3xx Details | Compute | The distribution of 3xx (server) status codes delivered from the Compute platform. |
| Origin Status 3xx Details | Deliver and Compute | The distribution of 3xx (server) status codes delivered from the domain's origin. |
| Edge Status 2xx Details | Deliver | The distribution of 2xx (server) status codes delivered from the edge. |
| Compute Status 2xx Details | Compute | The distribution of 2xx (server) status codes delivered from the Compute platform. |
| Origin Status 2xx Details | Deliver and Compute | The distribution of 2xx (server) status codes delivered from the domain's origin. |
| Total Wall Clock Time by Domain | Compute | The total amount of time used to process your requests, including active CPU time. |
| CPU Time by Domain | Compute | The amount of active CPU time used to process your requests. |
What's next
Dig deeper into details about all areas of the web interface before you move on to working with services.
