Facts & Stats
47% of consumers expect a web
page to load in 2 seconds or less.
“ ”
Facts & Stats
73% of mobile internet users say 

that they’ve encountered a website

that was too slow to load.
“ ”
Facts & Stats
Just One Second Delay In Page-
Load Can Cause 7% Loss In
Customer Conversions
“ ”
How Load Time Affects Conversion Rate
• Glasses Direct measured
How Load Time Affects Conversion Rate
• Wallmart measured
How Load Time Affects Conversion Rate
• Google measured
Type Of Delay Delay (ms)
Duration
(weeks)
Impact
Pre Header 50 4 -
Pre Header 100 4 -0.2%
Post Header 200 6 -0.59%
Post Header 400 6 -0.59%
Web Performance: You Should Care
• Page load time affects your bounce rate

• Page load time affects time on site

• Page load time affects conversion

• Page load time affects user satisfaction
Measuring Page Load Times

09 performance

  • 1.
    Facts & Stats 47%of consumers expect a web page to load in 2 seconds or less. “ ”
  • 2.
    Facts & Stats 73%of mobile internet users say 
 that they’ve encountered a website
 that was too slow to load. “ ”
  • 3.
    Facts & Stats JustOne Second Delay In Page- Load Can Cause 7% Loss In Customer Conversions “ ”
  • 4.
    How Load TimeAffects Conversion Rate • Glasses Direct measured
  • 5.
    How Load TimeAffects Conversion Rate • Wallmart measured
  • 6.
    How Load TimeAffects Conversion Rate • Google measured Type Of Delay Delay (ms) Duration (weeks) Impact Pre Header 50 4 - Pre Header 100 4 -0.2% Post Header 200 6 -0.59% Post Header 400 6 -0.59%
  • 7.
    Web Performance: YouShould Care • Page load time affects your bounce rate • Page load time affects time on site • Page load time affects conversion • Page load time affects user satisfaction
  • 8.