---
title: "WhatsApp metrics glossary: definitions and formulas for groups and communities"
description: "A WhatsApp metrics glossary for groups and communities: definition, formula and where to find each indicator, from active members to net growth."
featured_image: "https://9bot.com.br/wp-content/uploads/2026/10/dict-en-whatsapp-metrics-glossary.webp"
url: "https://9bot.com.br/en/whatsapp-metrics-glossary/"
date_modified: "2026-10-30T02:06:57+00:00"
last_updated: "2026-10-30T02:06:57+00:00"
---

# WhatsApp metrics glossary: definitions and formulas for groups and communities

This glossary gathers the metrics used to evaluate WhatsApp groups and communities, with each definition, its formula and where it appears in the 9bot dashboard. Use it as a shared reference across marketing, community and leadership, so everyone talks about the same number.

GlossaryFormulas9bot reports

Reading time: 7 min

## In this article

1. [Why standardize community metrics](#answer)
2. [Growth and retention metrics](#growth)
3. [Engagement metrics](#engagement)
4. [Moderation and bot health metrics](#moderation)
5. [Where to see each metric in 9bot](#where)
6. [How to read the metrics together](#reading)
7. [Read also](#artigos-relacionados)
8. [Frequently asked questions](#faq)

## How it works in practice

Without a bot, the admin piles up pending requests, a spam link, a question and a forgotten notice. With 9bot, the join is approved with a welcome, the link is deleted with a strike, .menu answers and the scheduled notice goes out at 6 pm.

Without a bot, the admin piles up pending requests, a spam link, a question and a forgotten notice. With 9bot, the join is approved with a welcome, the link is deleted with a strike, .menu answers and the scheduled notice goes out at 6 pm.

## Why standardize community metrics

**Direct answer:** WhatsApp metrics only support decisions when everyone uses the same definition. "Engagement" can mean messages, reactions or active members, and each reading leads to a different conclusion. A glossary fixes the name, formula, period and source of each indicator.

To choose which metrics to track, see [how to measure WhatsApp group success](https://9bot.com.br/en/how-to-measure-whatsapp-group-success-kpis/). For the analysis walkthrough, see [how to analyze community engagement](https://9bot.com.br/en/whatsapp-community-engagement-analytics-tools/).

## Growth and retention metrics

| Metric | Definition | Formula |
| --- | --- | --- |
| Total members | Participants in the group at the end of the period | Count at period end |
| Joins | New members in the period | Count of joins |
| Exits | Members who left or were removed | Count of exits |
| Net growth | Real change in the member base | Joins minus exits |
| Exit rate | Share of the base lost in the period | Exits ÷ members at start × 100 |
| Retention | Share of the base that stayed | Starting members still present ÷ members at start × 100 |

Always compare the same period. A launch week and a regular week should not be read side by side without that note.

![Reports that show the return on your communities](https://9bot.com.br/wp-content/uploads/2026/10/Reports-that-show-the-return-on-your-communities-EN.gif)[](https://wa.me/9bot.com.br)

## Engagement metrics

**Active members**Members who interacted in the group during the period. Rate formula: active members ÷ total members × 100.**Inactive members**Members with no interaction in the last 7 days. The base for re engagement actions.**Messages per active member**Total messages ÷ active members. Shows whether the conversation is concentrated in a few people.**Reactions**Total reactions in the period. In announcement only groups, it is the main reading signal.**Top contributors**Members who interacted the most. Candidates for moderators or ambassadors.**Peak hours**Time slot with the most messages. Guides when to schedule announcements.

## Moderation and bot health metrics

**Blocked spam**Messages removed by antispam and antiflood in the period.**Blocked links**Messages with links outside the whitelist removed by the filter.**Warnings and punishments**Number of warnings issued and punishments applied by the punishment ladder.**Uptime**Share of time the bot was running. Formula: running time ÷ total time × 100.**Average latency**Average time between a message arriving and the bot processing it.**Processing queue**Messages waiting to be processed. A growing queue signals a bottleneck.

## Where to see each metric in 9bot

In the side menu, open **Reports**, choose the tab and the period, and use **Export PDF** to share.

| Metric | Reports tab |
| --- | --- |
| Messages, active members, net growth, reactions | Overview |
| Inactive members (7 days), top contributors | Members |
| Blocked spam, blocked links, warnings, punishments, top offenders, recent actions | Moderation |
| Status, uptime, average latency, processed messages, queue, error summary | Bot Health |

Indicators per Reports tab in 9bot

Overview4 indicators

Members2 indicators

Moderation6 indicators

Bot Health6 indicators

Source: Reports tabs in the 9bot dashboard, checked on Oct 28, 2026. Count of the main indicators on each tab.

![Strategic decisions based on your communities' real engagement](https://9bot.com.br/wp-content/uploads/2026/10/Strategic-decisions-based-on-your-communities-real-engagement-EN.gif)[](https://wa.me/9bot.com.br)

## How to read the metrics together

- **High growth and falling active members:** the group attracts people but gives them no reason to take part.
- **Many messages and few active members:** conversation concentrated in a few members.
- **Exits right after an announcement:** wrong frequency or content. See [why members leave the group](https://9bot.com.br/en/members-leave-whatsapp-group-silently/).
- **Rising blocked spam:** the group link may have leaked; tighten entry approval.

## Read also

- [How to measure WhatsApp group success](https://9bot.com.br/en/how-to-measure-whatsapp-group-success-kpis/)
- [How to analyze community engagement](https://9bot.com.br/en/whatsapp-community-engagement-analytics-tools/)
- [Why members leave the group](https://9bot.com.br/en/members-leave-whatsapp-group-silently/)
- [WhatsApp automation for course creators](https://9bot.com.br/en/whatsapp-automation-course-creators/)

## Frequently asked questions

What are the main WhatsApp group metrics?

Total members, joins, exits, net growth, active members, inactive members, messages, reactions and, for moderation, blocked spam and blocked links.

How do I calculate the active member rate?

Divide the members who interacted in the period by total members and multiply by 100.

What is net growth on WhatsApp?

Joins minus exits in the period. It shows whether the base really grew.

Where do I see these metrics in 9bot?

In Reports, on the Overview, Members, Moderation and Bot Health tabs, with a period selector and PDF export.

How much does 9bot cost?

9bot is a paid plan with a 7 day trial: US$35 per month for the first 3 months and US$70 per month after that. The coupon FIRST9 can be applied at checkout.

## Get your community metrics in one dashboard

Today 326 customers worldwide use 9bot to run groups and communities. Paid plan with a 7 day trial: US$35 per month for the first 3 months and US$70 after that, with the coupon FIRST9.

[Start the 7 day trial](https://9bot.com.br/en/start-now/)[Talk to one of our specialists](https://wa.me/9bot.com.br)

## Sitemap

See the full [sitemap](https://9bot.com.br/sitemap.md) for all pages, and the [glossary](https://9bot.com.br/glossary/) for 9bot terms.
