https://anideafora.website
Please feel free to use any of these; paste the URL in a comment to share your creation (or an instance you know of that already exists).
A website as a talisman
A website in the corner of a room
A website with an escape pod
A website that uses invisible ink
A website in a bottle
A website as a staircase
A website as an amphitheatre
A website that occasionally lies down to rest
A website as a price tag
A website that orbits some other object