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4:4 Design for User's Typical Connection Speed

Relative Importance:

Relative Importance rating of 4 out of 5

Strength of Evidence:

Strength of Evidence rating of 2 out of 5

Document Type: Guideline




Design for the connection speed of most users.


At work in the United States, at least eighty-nine percent of users have high speed access, while less than eleven percent are using fifty-six K (or slower) modems. At home, more than two-thirds of users have high speed access. These figures are continually changing. Designers should consult one of the several sources that maintain current figures.


  • Forrester Research (2001, July). Forrester Report. Retrieved November 2005, from http://www.forrester.com/.
  • Nielsen, J. (1999a, April). Stuck with old browsers until 2003, April 18. Retrieved November 2005, from http://www.useit.com/alertbox/990418.html.
  • Nielsen/NetRatings, 2006
  • Web Site Optimization, LLC (2003, May). May bandwidth report-US broadband penetration breaks 35%. Retrieved November 2005, from http://www.Web siteoptimization.com/bw/0305/.