It has come to our attention that some ad blocker (adblock, ad-block) software may cause issues with an Illumineto Spark page being displayed correctly (if at all).
If you have an ad blocker software installed on Chrome, Firefox, etc., turn off that plug-in (no need to install), just choose "Allow Illumineto Spark to display content" (or whatever terminology is used by that application).
This is also true for some prospects - if they have an ad-block app installed on their browser, they may also experience a Spark page from being displayed correctly.
Currently, we are aware of the following adblock software that does this:
Super Block Pro