American Media Inc’s celebrity gossip site Radar Online went dark in April just weeks after massive company-wide layoffs. The most rent post on the 17-year-old site’s homepage is from April 20.

Radar Online started as Radar, a print magazine, before being converted to digital-only under American Media. It was founded in 2003 by Maer Roshan, the current editor-in-chief of Los Angeles ...

But Radar Online, a joint venture with Ron Burkle’s private equity company the Yucaipa Cos., was hardest hit, sources said.