[delinka]

Not seeing it. You got hacked? Plugins maybe?

[ColinWright]

They are there, and deliberately coded to render as invisible.

This is the URL: http://solarcooking.org/radiant-fridge.htm

Pull the source and look at the last few lines. Alternately, hover your mouse over the area at the bottom of the page and look at the URLs it would go to if you click.

I've tried contacting the author but the email no longer works. I've not yet contacted the site owner.

[delinka]

I did view the source, but I was expecting exactly what GP screencapped rather than a single line. So, yep, it's there.