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503 Errors Report

Applies To:
HTTP LargeThis platform has been optimized to cache and deliver static content (e.g., HTML, CSS, JavaScript, ISO, multimedia, and software downloads, etc.) over HTTP or HTTPS.
HTTP SmallLegacy. If you are currently serving traffic over this platform, then you may continue to do so. However, we recommend that you serve your traffic over our more robust HTTP Large platform.
ADNThe Application Delivery Network platform has been optimized to deliver dynamic content (e.g., login credentials, account information, etc.) over HTTP or HTTPS. Typically, user-specific and database-driven content are served over this platform.
AnalyticsThis product provides a variety of reports that range from basic CDN usage statistics to real-time data to in-depth trend analysis on key metrics. This suite consists of the following modules: Core, Custom, Advanced Content Analytics, Real-Time Statistics, and Edge Performance Analytics. - Edge Performance Analytics

The 503 Errors report contains a bar graph that allows you to view the top 10 requests that resulted in a 503 Service Unavailable response code. A 503 Service Unavailable response code occurs when the origin server is unable to provide a response. In the case of our CDN, a 503 Service Unavailable response code typically occurs when a web server associated with a customer originRefers to a CDN configuration that identifies one or more web servers that will serve as the source from which content may be delivered via the CDN. configuration is unavailable either due to maintenance or because it is overloaded.

For each asset in the bar graph, you can get a quick sense of how many requests resulted in a 503 Service Unavailable response code by comparing the color-coded portions of the bar corresponding to it. The yellow portion of the bar indicates all of the requests that returned a 503 Service Unavailable response code for that asset. The remaining red portion represents the requests that returned a different response code for that asset.

The data that was used to generate the graph is displayed directly below it.

View a description for each of these metrics.

More Information