[Method-X]

That doesn't seem to work either. If you right click and copy image address / open in new tab, the website opens and not the image itself.

[EamonnMR]

I think that used to happen on some sites with the button anyway. Not sure how it's implemented but it could be as simple as: append a querystring to image URLs, and if you hit the URL without the querystring, serve a page instead.

[cpncrunch]

Still seems to be working for me, with latest chrome on macOS.

[ac29]

Works fine in Firefox.

[cobookman]

seems like google changed it to work now.