Yahoo CEO Marissa Mayer has wasted no time in turning the Internet portal into a lean and mean Web machine since she landed the job in July. Next up on Mayer’s agenda after giving all Yahoo employees free iPhones and food is trimming all the bloat on the portal’s homepage. Business Insider claims the screenshot above is an authentic version for a redesigned Yahoo site. From what we can tell, the purported redesign doesn’t too change much, but dials back the purple coloring, cuts off all of the unnecessary categories in the left menu bar and opts for a dynamic search bar that remains at the top as users scroll down pages. Read the full story at Boy Genius Report.