---
title: "Reaction time"
canonical: "https://support.appfire.com/space/FD/1801912570/Reaction%20time"
format: markdown
---
> Macro (aura-html)

Reaction time is the average number of hours it takes for an individual or team to respond to a set of PRs as a reviewer.

## Which reports use Reaction time?

Find Reaction time in [Team health insights](https://appfire.atlassian.net/wiki/spaces/FDDRAFT/pages/2892825261), [Review collaboration](https://appfire.atlassian.net/wiki/spaces/FDDRAFT/pages/2894463256), and [Check-in](https://appfire.atlassian.net/wiki/spaces/FD/pages/1802633537).

## What does Reaction time measure?

Reaction time helps you understand how long it takes for PRs to get reviews.

Use Reaction time with [Responsiveness](https://appfire.atlassian.net/wiki/spaces/FDDRAFT/pages/2893906499) to pinpoint which part of the review process is causing PRs to be open and unread for longer than necessary. A high Reaction time could mean reviewers are not responding to submitted PRs quickly or not responding at all.

## How is Reaction time calculated?

Reaction time is calculated as the sum of all reviewer response times divided by the number of reviewer responses.

A reviewer's response time is the time between a submitter's action and a reviewer's response.

A reviewer is any user who comments, commits, reviews, approves, merges, or closes a submitted PR. Reaction time calculates the reviewer response time between a submitter action and each user’s first response to the action.

A submitter action is a commit, comment, merge, or closure from the PR’s submitter. A reviewer response is the first reviewer comment, commit, review, approval, merge, or closure immediately preceded by a submitter action.

## What data is included in Reaction time?

Reaction time treats reviewer actions from a single reviewer, without submitter actions, as a single reviewer action. It only counts the first submitter action from that submitter when finding the response time.

If there are multiple reviewer actions in a row from different reviewers, Reaction time counts the first reviewer action from each reviewer.

Reviewer actions aren't included in Reaction time if:

- The reviewer is excluded from reports.
- The reviewer is a hidden user.
- The comment or commit of the reviewer is excluded.

PRs aren't included in Reaction time if:

- The PR is unmerged.
- The PR is created by a user who is excluded from reports.
- The PR is created by a hidden user.
- The PR is an excluded pull request.
- The PR is from a deleted repository.
- The PR is deleted from a repository.
- The PR doesn’t get a reviewer action.