Total online job ads were 4,280,400 in June, a slight drop of 94,000 or 2 percent from May, according to The Conference Board Help-Wanted OnLine Data Series(TM). Online advertised vacancies continue to be up substantially (24%) over the year (June'06-June'07). There were 2.8 advertised vacancies online for every 100 persons in the labor force in June.