The publisher of a 10-year-old Jewish periodical that is no longer in print still has plenty of things to worry about.

“Are the knishes kosher?” one partygoer kvetched to Heeb magazine’s David Kelsey last week, before sinking her teeth into the uninviting clump of potato.

“They’re kosher, but not Glatt kosher,” said Kelsey, as the guest scurried off to nosh.

Mr. Kelsey has been running Heeb for the past two years, as it transitioned to a purely digital product. The magazine’s niche has leaned toward young secular Jews since New York Times scribe Jennifer Bleyer founded it in 2002. One year later, publisher Joshua Neuman refashioned it to encompass an entire lifestyle of ironic urban living. Read More