> ## Documentation Index
> Fetch the complete documentation index at: https://developer.upsun.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Application metrics

> See how to better understand your applications' real behavior with live and detailed insights.

> [card] [Monitor Cron job executions](https://developer.upsun.com/docs/observability/application-metrics/cron-metrics.md)
>
> Visualize and interpret your Cron job runs directly in the Console.

> [card] [Understanding application observability](https://developer.upsun.com/docs/observability/application-metrics/understanding.md)
>
> Understand the differences between deterministic and probabilistic observability.

> [card] [Upsun Blackfire for PHP and Python](https://developer.upsun.com/docs/observability/application-metrics/blackfire.md)
>
> Full access to Upsun Blackfire is bundled with your PHP and Python projects.

> [card] [Continuous profiling](https://developer.upsun.com/docs/observability/application-metrics/cont-prof.md)
>
> Understand your application's performance with continuous profiling.


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