> For the complete documentation index, see [llms.txt](https://docs.ddosify.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ddosify.com/ddosify/performance-testing.md).

# Performance Testing

<figure><img src="/files/fej4jZUC8PJlc5jhsDMs" alt=""><figcaption><p>You can simulate users on no-code Ddosify Platform</p></figcaption></figure>

You can create complex and realistic user flows on Ddosify No-code UI. Here are the list of key concepts on Ddosify Performance Testing:

* [Parametrization](/ddosify/performance-testing/parametrization.md)
* [Test Data Import](/ddosify/performance-testing/test-data-import.md)
* [Environment Variables](/ddosify/performance-testing/environment-variables.md)
* [Correlation](/ddosify/performance-testing/correlation.md)
* [Assertion](/ddosify/performance-testing/assertion.md)
* [Debugging](/ddosify/performance-testing/debugging.md)
* [Postman Import](/ddosify/performance-testing/postman-import.md)

If you need CLI based load testing tool, [Ddosify Engine](https://github.com/ddosify/ddosify/tree/master/engine_docs) is the open-source and high-performance load testing tool, written in Golang.