# Stickiness - Docs

Stickiness is a type of [insight](/docs/user-guides/insights.md) that enables you to see how many times users perform an event within a specific time period. This is useful for tracking if a particular feature is engaging for users.

For example, if you track `Weekly Active Users`, stickiness highlights those that are the most engaged within that week.

Stickiness helps you answer questions such as:

-   How frequently are users engaging with my product?
-   Who are my most engaged users?
-   Are users engaging more with my product now than they did a month ago?

## How to create a stickiness insight

1.  Click [Product analytics](https://us.posthog.com/insights) on the left sidebar
2.  Click the **\+ New Insights** button
3.  Select the **Stickiness** tab
4.  Select the event you want to see the stickiness of

![How to create a stickiness insight](https://res.cloudinary.com/dmukukwp6/image/upload/v1716289464/posthog.com/contents/stickiness-light.png)![How to create a stickiness insight](https://res.cloudinary.com/dmukukwp6/image/upload/v1716289465/posthog.com/contents/stickiness-dark.png)

## Understanding stickiness charts

The **y-axis** on the graph represents the number of unique users or [groups](/docs/product-analytics/group-analytics.md). The **x-axis** represents the number of times the user or group performed the event in the specified time period.

For example, the below chart shows 938 people performed a pageview event on 3 of the last 7 days:

![example of a stickiness chart](https://res.cloudinary.com/dmukukwp6/image/upload/v1716296397/posthog.com/contents/stickiness-example-light.png)![example of a stickiness chart](https://res.cloudinary.com/dmukukwp6/image/upload/v1716296397/posthog.com/contents/stickiness-example-dark.png)

It's worth noting that stickiness measures the **exact** number of times a user performed an action. For example, if a user performed an event in 3 out of the last 7 days, they would *only* be included in this group, and not the group who performed the action in 2 out of the last 5 days.

## Viewing individual users

You can drill down into specific users who have performed an event or action multiple times:

1.  Hover a particular data point on your stickiness graph
2.  Click on the data point to bring up a list of users in that point

You can then create a [cohort](/docs/data/cohorts.md) of those users by clicking the **Save as cohort** button in the modal. This is useful for creating further insights for a highly engaged group of users.

![Cohort of stickiness users](https://res.cloudinary.com/dmukukwp6/image/upload/v1716298213/posthog.com/contents/stickiness-cohort-light.png)![Cohort of stickiness users](https://res.cloudinary.com/dmukukwp6/image/upload/v1716298207/posthog.com/contents/stickiness-cohort-dark.png)

## Stickiness vs retention

Stickiness and [retention](/docs/user-guides/retention.md) insights can look very similar, but they tell you different things:

-   **Retention** measures the percentage of users who came back and performed an event within a given period **at least once**
-   **Stickiness** measures **how many** times within a period a user performed an event

Retention is good for seeing how well you're doing at keeping users engaged overall. Stickiness is useful for seeing how deeply users are engaging with your product, and helps you identify the most engaged users.

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