So stop sending it to me!
I have no idea how that could have formed naturally, but the first big clue that it’s fake is the lack of provenance. The second clue is the shape of the capture lines — this was made by someone who never really looked at an orb web. A third clue is that when you look for where it came from, you discover that it’s cropped to remove the ice sculpture of a giant spider at the bottom. Or you find that an entomologist had already debunked it.