http://www.testingmcafeesites.com/testrep_gray.html

This is an example URL which has an Unverified Risk reputation Score.
This example URL is used to tset web reputation filtering, therefore we have not assigned a content category and the URL will be presented as an unverified, uncategorized URL.This page simply displays this text without any specific content on it, it is just for testing purpose.

If you can see this text, it was not blocked by any filter!