> For the complete documentation index, see [llms.txt](https://docs.optibase.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.optibase.io/frequently-asked-questions/general/what-is-a-tested-user-in-optibase.md).

# What is a 'Tested User' in Optibase?

A tested user is any unique visitor that is assigned a variant and viewed the page while the test is active.