A real Labubu made by Pop Mart (tan) and a fake "Lafufu" (blue).Katie Notopoulos / Business InsiderAfter its peak last summer, the Labubu trend has burst.Web traffic to the Pop Mart website has cratered.But Pop Mart is still optimistic about its business, and other toy makers see it setting trends.I can't completely say that the Labubu trend is over, because I bought a Labubu just last month. Ok, technically it was a "Lafufu" — a fake knockoff v…