The study measured the speed and reliability of accessing the home page or tax center section of tax information and preparation Web sites in 25 US cities. Tax sites measured by Keynote include 1040.com, Amazon.com?s tax center, Ernst & Young, H&R Block, IRS.gov, Jackson Hewitt, NOLO.com, Quicken.com, Taxact.com, Taxcut.com and Turbotax.com.











