# Performance

> How devlo's review comments turn into merged fixes, with outcomes, recommendations applied, acceptance rate, votes, and code contributions.

**Performance** shows whether devlo’s reviews lead to real fixes and how much code devlo delivered, for the date range and repository you pick.

## What it helps you do

See whether the team acts on devlo’s comments, which kinds of problems they prevented, and how people voted on them.

## What’s measured

| Metric                             | How it’s measured                                                                                                            |
| ---------------------------------- | ---------------------------------------------------------------------------------------------------------------------------- |
| **Outcomes**                       | Applied recommendations, by the problem they prevented. See [Outcomes](/contribution/outcomes/).                             |
| **Review Comments**                | Comments devlo left in its reviews.                                                                                          |
| **Recommendations Applied**        | Review comments whose change is in the merged code, applied with a [quick fix](/code-review/quick-fixes/) or by hand.        |
| **Acceptance Rate**                | Share of review comments that were applied.                                                                                  |
| **Upvote Rate**, **Downvote Rate** | Share of review comments that got a thumbs up, and share that got a thumbs down.                                             |
| **Code Contributions**             | Pull requests devlo opened and merged, their **Merge Rate**, and devlo’s **Commits**, **Code Changes**, and **Quick Fixes**. |

## Related

* [Outcomes](/contribution/outcomes/)
* [Activity](/contribution/activity/)
* [Quality](/analytics/quality/)
* [How contribution works](/contribution/)