---
title: "Architect Channel: Facebook Custom Audiences Analytics"
slug: "architect-facebook-custom-audiences-statistics"
description: "Explains how to track Facebook Custom Audiences journey performance in Architect using Arrived, Reachable, and Dropped metrics based on user reachability."
tags: ["facebook custom audiences", "architect facebook", "journey facebook analytics", "architect channel"]
updated: 2025-08-06T16:14:49Z
published: 2025-08-06T16:14:49Z
canonical: "academy.insiderone.com/architect-facebook-custom-audiences-statistics"
---

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

# Architect Channel: Facebook Custom Audiences Analytics

> **Suggested readings:** [Use Facebook Custom Audiences,](/docs/architect-setting-up-facebook-custom-audiences) [Facebook Custom Audiences Troubleshooting](/docs/architect-facebook-custom-audiences-troubleshooting), [FAQ for Facebook Custom Audiences](/docs/architect-faq-for-facebook-custom-audiences)

After you launch your journey, you can see the Arrived and Reachable figures on the [Facebook](https://academy.useinsider.com/docs/architect-facebook-custom-audiences) element on the canvas.

![](https://cdn.document360.io/c6df4583-da94-4cb2-bb8a-be0cbdd11109/Images/Documentation/image-20220506-105210.png)

- **Arrived** displays the number of users who have arrived at the Facebook element.
- **Reachable** displays the number of reachable users on Facebook, considered as those who have an email address.
- **Dropped** displays the number of unreachable users on Facebook.

## Related

- [Architect Channel: Facebook Custom Audiences Troubleshooting](/architect-facebook-custom-audiences-troubleshooting.md)
- [Architect Channel: Using Facebook Custom Audiences](/architect-setting-up-facebook-custom-audiences.md)