---
title: "Performance and optimization "
content_type: course
url: "https://learn.unity.com/course/performance-and-optimisation?language=en"
language: en
difficulty: advanced
duration_minutes: 100
unity_version:
  - "2019.4"
supported_unity_versions:
  - name: "2019.4"
    url: "https://learn.unity.com/course/performance-and-optimisation.md?language=en&version=2019.4"
  - name: "2019.3"
    url: "https://learn.unity.com/course/performance-and-optimisation.md?language=en&version=2019.3"
last_updated: "2026-08-04T14:20:40.000Z"
---

# Performance and optimization 

Learn about different performance applications, fixing performance issues, memory management and graphics optimisations.

## Contents

- [Diagnosing Performance Problems](https://learn.unity.com/course/performance-and-optimisation/tutorial/diagnosing-performance-problems-2019-3?language=en&version=2019.4) ([md](https://learn.unity.com/course/performance-and-optimisation/tutorial/diagnosing-performance-problems-2019-3.md?language=en&version=2019.4)) — Learn how to use the Profiler window to inspect performance and diagnose issues in your Unity applications.
- [Fixing Performance Problems - 2019.3](https://learn.unity.com/course/performance-and-optimisation/tutorial/fixing-performance-problems-2019-3?language=en&version=2019.4) ([md](https://learn.unity.com/course/performance-and-optimisation/tutorial/fixing-performance-problems-2019-3.md?language=en&version=2019.4)) — Learn practical optimization techniques to improve script performance, garbage collection, and graphics rendering.