A revamped CNN.com debuted on June 30, and visitors noticed. According to Hitwise, CNN.com topped MSNBC.com last week, reversing a recent trend.

For the previous three weeks in June, MSNBC.com was #3 based on Hitwise's calculations, while CNN.com was #4.

But in the new CNN.com's first week, the two sites switched, with CNN now leading. It's a tight race: CNN.com has 3.69 percent market share, while MSNBC.com has 3.46 percent...