I used to host a little site on an 8 bit homecomputer; it ran from a ramdisk so it would not load from floppy. I guess you will need to mod (mine was a Japanese machine with 256kb memory mapped memory which I controlled with a webserver (well… it could only do GET) written in Pascal & some z80 asm) by adding memory, but still, it would be fun. Let me dust off mine if I can find it and see if it still works.