US Patent 11334224 Determining variations of single-page applications

A single-page application of a content provider is associated with a smart page established on an experiment system to allow a variation test to be performed on the single-page application. The smart page is associated with a trigger that determines when one or more corresponding conditions of the single-page application should be evaluated. Responsive to one or more of the conditions of the single-page application being satisfied, either an original version of the single-page web page or a variant of the single-page web page may be displayed.