Does the site function as expected when Shields are turned off? No, surprisingly
Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no): Site breaks regardless of shields
Does the site work as expected when using Chrome? Works in Firefox, haven’t tested Chrome
Ok, I got home and tried it again. I was testing my own site, but not trying to promote anything here, so I tried it with another site (ghacks)
Here is what I experienced:
Shields on (default): error message
Toggle shields off: Page reloads and goes into the speed test
Toggle shields off and go back to main page to manually do test again: error message.