Nelio A/B Testing does not track admin users. Therefore, if you want to check whether Nelio A/B Testing is working or not, the first thing you have to do is log out from your account, use a different browser in which you're not logged in, or use Incognito Mode (or Private Browsing Mode).

Assuming you have an experiment running for the page or post, if the plugin is running and working properly you should see the following GET parameter*: nab=x, where x is the alternative loaded (0 is the original version, 1 is the first alternative, 2 is the second, and so on). For instance, should show the second alternative. If you want to load a different alternative, simply modify the value of the nab attribute and add nabforce to overwrite Nelio's randomly-assigned alternative (that is,

* If you configured the plugin to hide A/B GET parameters, you won't see them (even if the plugin is working), because our tracking script will remove them once the alternative has been loaded.