OK I took a look at that image on my phone. Thats a different url from the one posted. Pls try another browser, check your exts and run a virus scan. That’s not on this end and this url was also posted on another news aggrigator without issues. That being said, there is a better site for this I posted in another comment because this one is regionally limited for now.

https://www.oldmapsonline.org/en