They may not have resembled the lofty performing-arts programs and dramas that once distinguished the Bravo cable-TV channel, but shows like The Real Housewives of New Jersey, Watch What Happens Live, and Top Chef Masters gave Bravo its highest May ratings in history, the NBC-Universal-owned channel said Wednesday. In addition, channel's website produced its greatest number of page views ever -- 155.27 million, up 41 percent over the figure for last year.