BnbShare is a contract to share information with permanent storage and open access.
The website is not the only one entry to BnbShare. BnbShare is a DAPP. So you can download the html files to your own server or access the contract in other ways.
The contract addresses are 0xC32D83ffbFe78673e9C79ccE8694Cb435893e738, 0x4bb56E1ec17e97457cb2736CeE4cD3Cd0e1e184B, 0xE200D20b6A242142D9671F4eBc401AE33d491Eeb, 0x87C5848F16390B85afE52584D5a563ceE89792cE.