This article helps you:
Understand how Amplitude computes funnels based on of the order of events, segmentation, and filters
Unlike other charts, a Funnel Analysis requires you to specify the order of the events you include in the Events Module. Your options are:
Order | Definition |
---|---|
Any order | Amplitude considers a user converted when they completes all listed steps. |
This order | Amplitude considers a user converted when they complete steps in the order you specify. They can trigger events in between those that you specify and still count as a conversion. You can add repeated steps with this option. |
Exact order | Similar to This order, Amplitude considers a user converted when they complete steps in the order you specify, but don't trigger events in between. |
In ordered funnels, events are unique per conversion path. For example, you have a funnel with two events: search -> add to cart
. A user searches four times and then adds a product to their cart after that last search search, search, search, search, add to cart
. Amplitude records one conversion, even though there were four occurrences of the funnel's first step.
When you segment the data on a user property, Amplitude will apply the segmentation to the first step of your funnel.
For example, suppose Event A is the first step of your funnel, and a user triggered:
[Amplitude] Country
= Canada
; and then[Amplitude] Country
= United States
If you segment by country, Amplitude shows this user in the [Amplitude] Country
= United States
segment in the Event A step.
There are certain nuances to applying filters in a funnel analysis:
In a funnel chart, any filters applied from the Segmentation Module apply only to the first event. You can, however, add filters to individual steps directly in the Events module.
Only users who have triggered an event that meets the conditions of the filters applied to the first event will be counted by Amplitude as entering the funnel.
You can apply a group-by filter in the Segmentation Module, for up to two properties. The group-by filter will apply only to the first event, similar to the other filters in the Segmentation Module.
If you are looking at the Unique Users metric and users can complete the steps of your funnel multiple times, the group-by filter takes the first occurrence of the event and buckets the user for the value on that event.
If "holding property constant" is applied at the same time, Amplitude counts each property value / user pair as a separate user, so the user is included once for each property value they have.
You can also use the group-by filter for an event (limit of one event group-by per funnel). The results will show how users with a certain event or user property converted through the other steps in the funnel. This helps you understand what property value has the greatest or smallest impact on conversion.
For example, look at this Funnel Analysis chart:
The Group-by here looks at users' property values for Genre_Type
at the time their Favorite Song or Video
events are triggered, and shows how they converted through the remaining events of the funnel.
For example, a user that has a Pop
property value for Genre_Type
at the time their Favorite Song or Video
event was triggered will show up under the Pop
property bar for the Play Song or Video
event as well.
If users in your funnel can complete the steps multiple times, this method will take the first occurrence of each event and bucket the user for the value on that event.
This three-step funnel is grouped by Step 2's event property, item_id
:
The graph shows the conversion distribution of users who triggered Step 2 (Add Item to Cart
) event, broken out by each item_id
value.
If you choose to group by a step other than the first, Amplitude shows a segment of users who didn't reach that segmented step (the blue-shaded segment for did not reach step
in this example).
May 30th, 2024
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