Nelio A/B Testing adds a few parameters in your URLs. These parameters tell Nelio A/B Testing which variant has to be loaded for each visitor. For instance, if you created a headline test for your Foo post and added two alternative headlines, you’ll end up having the following URLs:
https://example.com/blog/foo/?nab=0is variant A (i.e. the control version)
https://example.com/blog/foo/?nab=1is variant B
https://example.com/blog/foo/?nab=2is variant C
Thus, if a user accesses
http://example.com/blog/foo/?nab=1, she’ll see the alternative headline B:
Which pages contain the
When creating a new test, you can define its scope. The scope of a test defines the pages in which alternative content from that test be loaded. For example, if you create a Menu test, by default all pages of your website will be included in its scope, because there’s a chance that all your pages include the tested menu.
nab parameter will appear in any page that is part of the scope of your running experiments. Thus, for example, when running a Menu test, all your pages will include the nab parameter by default.