Summary of Results from our Findings

A Comparison to Heidi Adkisson's 2002 Results

  MAIN CATEGORY USABILTY FEATURES EXAMINED 2002 2006   2007   2008 
GLOBAL NAVIGATION Frequency of Global Navigation      
  Percentage of sites with Global Navigation 97% 99% 93% 100%
  Location of Global Navigation:      
  Top 89% 85% 86% 94%
  Left 11% 13% 4% 6%
  N/A 0% 0% 7% 0%
  Main Content Area 0% 2% 3% 0%
  Style for Global Navigation:      
  Navigation Bar 39% 38% 33% 32%
  Navigation Tabs 43% 27% 17% 20%
  Plain List 7% 25% 7% 11%
  Pull Down Menu 5% 5% 0% 0%
  Pop-Out/Fly-away 0% 7% 31% 36%
  Navigation Buttons 4% 5% 4% 1%
  N/A 0% 0% 8% 0%
  Link Style:      
  HTML text (not underlined) n/a 45% 28% 29%
  Graphic text n/a 44% 49% 60%
  HTML text (underlined) n/a 11% 12% 10%
  Graphic Text/HTML Text (underlined) 0% 0% 1% 0%
  Graphic Text/HTML Text (not underlined) 0% 0% 3% 1%
  N/A 0% 0% 7% 0%
  Link Rollover Behavior:      
  None n/a 35% 39% 23%
  Change text color n/a 24% 13% 16%
  Change background color n/a 17% 11% 6%
  Add underlining n/a 12% 7% 8%
  Change graphic state n/a 12% 21% 31%
  Add Underline/Change Text Color 0% 0% 4% 4%
  Change Text Color/Change BG Color 0% 0% 3% 12%
  Inconsistent 0% 0% 1% 0%
  N/A 0% 0% 1% 0%
GLOBAL "HOME" LINK Presentation of Home Link:      
  Logo linked to Home only 19% 46% 49% 64%
  Logo linked to Home plus Home link at top of page 60% 39% 36% 17%
  Logo linked to Home plus Home link in footer 13% 11% 11% 15%
  Logo linked to first-level product category 8% 3% 0% 3%
  No Logo 0% 0% 4% 0%
  Logo not linked 0% 0% 0% 1%
  Location of Global Home Link:      
  Top Left 100% 94% 97% 99%
  Top Center 0% 3% 0% 0%
  Top Right 0% 3% 3% 1%
BREADCRUMB NAVIGATION   Is it Used?      
  Yes 45% 57% 56% 57%
  No 55% 43% 44% 43%
  Orientation:      
  Horizontal 95% 100% 100% 100%
  Vertical 5% 0% 0% 0%
  Separator Style:      
  Right Arrow 65% 80% 77% 77%
  Colon 8% 7% 5% 7%
  Slash 4% 5% 5% 7%
  Pipe 9% 2% 7% 5%
  Bullet 9% 2% 0% 0%
  Left Arrow 9% 2% 2% 0%
  Semi-colon 9% 2% 2% 0%
  Other(Dot) 0% 0% 2% 0%
  Other(Back Slash) 0% 0% 0% 0%
FACETED CLASSIFICATION Is it Used?      
  Yes 69% 79% 52% 51%
  No 31% 21% 48% 49%
HTML LINK TREATMENT Primary HTML Link Color:      
  Blue 50% 35% 45% 24%
  Grey 12% 24% 20% 24%
  Black 12% 20% 17% 6%
  Green 6% 9% 5% 8%
  Red 13% 4% 4% 1%
  White 0% 4% 0% 1%
  Purple 2% 3% 4% 1%
  Brown 5% 1% 0% 4%
  Other 0% 0% 1% 3%
  Inconsistent 0% 0% 3% 28%
  Treatment of Text Links:        
  underlined 54% 55% 51% 37%
  not-underlined 34% 44% 45% 46%
  other 12% 1% 4% 17%
  Rollover of Text Links:        
  Change color 15% 49% 29% 21%
  None 68% 29% 35% 23%
  Add underline 10% 21% 23% 28%
  CBC 4% 1% 0% 1%
  Add Underline & Change Color 0% 0% 7% 6%
  Take away Underline 0% 0% 1% 0%
  Inconsistent 0% 0% 1% 21%
PAGE WIDTH Page width of main content area:      
  100% stretched 0% 7% 8% 11%
  601-650 13% 1% 0% 0%
  651-700 7% 1% 1% 1%
  701-750 27% 41% 17% 13%
  751-800 47% 36% 48% 38%
  801-850 6% 3% 3% 5%
  851-900 0% 1% 5% 8%
  901-950 0% 0% 5% 7%
  951-1000 0% 3% 5% 17%
  1001+ 0% 7% 5% 0%
SITE LAYOUT Page Orientation:      
  Fixed Width Left Justified n/a 50% 40% 33%
  Fixed width centered n/a 33% 49% 58%
  Variable Width/100% Stretched n/a 17% 11% 9%
SOURCE CODE Doctype:      
  None n/a 53% 43% 38%
  HTML 4.0 Transitional n/a 33% 39% 31%
  XHTML 1.0 Transitional n/a 9% 15% 22%
  HTML 3.2 Final n/a 3% 1% 1%
  XHTML 1.0 Strict n/a 1% 0% 4%
  HTML 4.01 Strict 0% 0% 1% 2%
  XHTML 1.1 0% 0% 1% 2%
  CSS or Tables for Layout?      
  Both Tables and CSS n/a 76% 71% 32%
  CSS n/a 13% 19% 35%
  Tables n/a 11% 9% 32%
  Flash/Neither 0% 0% 1% 1%