Others use subdomains, which include an additional “.com” to make it seem like the official domain, like www.lifehacker.com.lh.com. What comes before the last “.com” is what counts.

lhc <commenter-name> zooms you to a Lifehacker commenter's profile page. For example, lhc bostonmark gets you here. ?lh <keyword> googles a keyword on Lifehacker.com. lh beams you directly to the ...