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

# Custom Code Testing

- [Custom Code Testing Overview](https://docs.elevateab.com/elevate-helpcenter/custom-code-testing/custom-code-testing-overview.md): What custom code experiments do in Elevate A/B Testing, when to use one instead of another experiment type, and what you need before you start.
- [Create a Custom Code Experiment](https://docs.elevateab.com/elevate-helpcenter/custom-code-testing/create-a-custom-code-experiment.md): Step by step walkthrough for creating a custom code experiment in Elevate A/B Testing, including code entry, page targeting, and preview.
- [Preview and QA a Custom Code Experiment](https://docs.elevateab.com/elevate-helpcenter/custom-code-testing/preview-and-qa-a-custom-code-experiment.md): Pre-launch checklist for custom code experiments in Elevate A/B Testing, covering console errors, responsive behaviour, page targeting, and performance.
- [Troubleshooting Custom Code Experiments and FAQs](https://docs.elevateab.com/elevate-helpcenter/custom-code-testing/troubleshooting-custom-code-experiments-and-faqs.md): Fixes for common custom code experiment problems in Elevate A/B Testing, plus answers to frequent questions about targeting, control code, and implementing winners.