Could you explain what is algorithm CryptoNight-Heavy exactly? What the differ from CryptoNight? You site does not work and I don't find any documentation, so hard to understand it.
CryptoNight-Heavy has the scratchpad size changed from 2MB to 4MB per thread, this change differentiates itself from Monero's CryptoNight V7 and also provide more robust protection against ASIC development.
When you say our site does not work, are you having trouble loading the webpage?