The website that I have running is an interface but everything—the whole code, the artwork—is completely integrated in the smart contract and could be used without a website if you used Etherscan or any other access point to the Ethereum network.
Kim Asendorf, Kim Asendorf on Breaking His Own Rules
That led to all the decisions you see there—that the generator was going to live on-chain and that the output had to be written on-chain, where you could go see the output on Etherscan.
Matt Hall, Matt Hall and John Watkinson on Beginning Movements