Intermediary for testing content and applications

A device comprising:

• a display;
• one or more processors;
• and
• one or more non-transitory computer-readable media including instructions which, when executed by the one or more processors, program the one or more processors to:
• send a request for content to a network location;
• receive, in response to the request for content, instructions for implementing at least one of a test intermediary or a test user interface;
• receive the content, wherein the content includes executable code enabling the content to be interactive;
• present content on the display;
• cause an interaction with the content, the interaction causing the content to send a communication to an application;
• receive the communication from the content to the application;
• determine test information based at least in part on the communication;
• and
• send the communication to the application.

A method comprising:

• presenting, by a device, a test user interface (UI) on a display associated with the device;
• presenting content as a first instance of content within a first inline frame (iframe) in the test UI;
• receiving an input for interacting with the first instance of content;
• receiving, by a test intermediary, in response to the input, a communication between the content and an application;
• and
• determining, by the test intermediary, test information based at least in part on the communication;
• receiving a second instance of content for presentation as a second instance of content in a second iframe in the test UI;
• and
• presenting the test information in the test UI, wherein the test information corresponds to the first instance of content and the second instance of content.