A New Kind Of QR Code Generator

Since there is really no demonstration or walkthrough on their home page to explain their analytics tools, I followed their hinted example of www.qrafi.com by typ www.google.com, which generated the following unhelpful error message:

snip:

Sorry, but that was a bad idea. I hate to break it to you this way, and we're sure it's not your fault, but the last thing we need is another moronic QR code pasted on some poorly designed poster. It's like a damn epidemic. I've heard words are pretty good for communicating, so perhaps try those instead of alien barcodes. Thanks, Chopeh @chopeh

/snip

So I went and tried a few random domains, both with and without http://, and each generating the same error message.