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SLOW RESPONSIVE WEB DESIGN
SITES ARE BAD FOR BUSINESS
YOUR CUSTOMERS HAVE HIGH
WEB PERFORMANCE EXPECTATIONS
No Matter The Device Or Network
No Matter The Device Or Network
THE MAJORITY OF RESPONSIVE WEB DESIGN SITES
DELIVER THE SAME CONTENT
Percentage of end-users which expect
a website to load in 2 seconds or less1
47%
PC
34%SMARTPHONE
69%
TABLET
MUCH SMALLER
6%
SLIGHTY SMALLER
22%
ROUGHLY SAME SIZE
72%
Page size of smallest vs. biggest resolution across 347 RWD sites
VS VS
Kilobytes
Requests
CPU
Memory
SunSpider JS
Downlink
Latency
764
60
800MHz dual-core
512MB
~1880 ms
15 mbps
32 ms
764
60
1GHz quad-core
1GB
~1500 ms
1 mbps
138 ms
4G
764
60
2.6GHz quad-core
16GB
~145 ms
27 mbps
20 ms
FOR MORE INFORMATION
www.akamai.com
If dissatisfied with Web site
performance, 49.3% of tablet &
40.3% of smartphone users are
unlikely to visit the site again
40%
MOST RWD SITES DO NOT MEET USER
PERFORMANCE EXPECTATIONS
DIFFERENT DEVICES & NETWORKS
RESULT IN DIFFERENT EXPERIENCES
OPTIMIZE END-USER EXPERIENCES
PAGE VIEWS2
CONVERSIONS2
SATISFACTION2
-11%
-7%
-16%
BY ACCELERATING RENDERING
AND REDUCING BYTES AND REQUESTS
A ONE SECOND DELAY IN PAGE LOAD TIME EQUALS...
49%
“Shoot me now... responsive design
has seemingly become confused with
an opportunity to reduce performance
rather than improve it. #performance”
— Twitter User
1
Source: Equation Research; Forrester Research | 2
Source: Equation Research, Aberdeen Group
DocumentCompletionTime
*Document Complete is when the browser considers the webpage loaded (onLoad event for those familiar with javascript events).
This usually happens after all of the images and content have loaded but may not include content that is triggered by javascript execution.
697KB
59 REQUESTS
237KB
20 REQUESTS
FEWER BYTES AND REQUESTS
+ ACCELERATED RENDERING =
FASTER
PAGES50%
DOCUMENT
COMPLETE*
DOCUMENT
COMPLETE*
EXAMPLE OF A MAJOR
RETAILER’S RESPONSIVE
WEB DESIGN SITE
Kilobytes: 764 | Requests: 60
WEB PERFORMANCE IMPACTS BUSINESS
Tablet (Wifi) Smart Phone (4G) Laptop (Cable)
2.2
SECONDS
6.2SECONDS
3.7
SECONDS
Threshold: 2 seconds

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Slow Responsive Web Design sites are BAD for business

  • 1. SLOW RESPONSIVE WEB DESIGN SITES ARE BAD FOR BUSINESS YOUR CUSTOMERS HAVE HIGH WEB PERFORMANCE EXPECTATIONS No Matter The Device Or Network No Matter The Device Or Network THE MAJORITY OF RESPONSIVE WEB DESIGN SITES DELIVER THE SAME CONTENT Percentage of end-users which expect a website to load in 2 seconds or less1 47% PC 34%SMARTPHONE 69% TABLET MUCH SMALLER 6% SLIGHTY SMALLER 22% ROUGHLY SAME SIZE 72% Page size of smallest vs. biggest resolution across 347 RWD sites VS VS Kilobytes Requests CPU Memory SunSpider JS Downlink Latency 764 60 800MHz dual-core 512MB ~1880 ms 15 mbps 32 ms 764 60 1GHz quad-core 1GB ~1500 ms 1 mbps 138 ms 4G 764 60 2.6GHz quad-core 16GB ~145 ms 27 mbps 20 ms FOR MORE INFORMATION www.akamai.com If dissatisfied with Web site performance, 49.3% of tablet & 40.3% of smartphone users are unlikely to visit the site again 40% MOST RWD SITES DO NOT MEET USER PERFORMANCE EXPECTATIONS DIFFERENT DEVICES & NETWORKS RESULT IN DIFFERENT EXPERIENCES OPTIMIZE END-USER EXPERIENCES PAGE VIEWS2 CONVERSIONS2 SATISFACTION2 -11% -7% -16% BY ACCELERATING RENDERING AND REDUCING BYTES AND REQUESTS A ONE SECOND DELAY IN PAGE LOAD TIME EQUALS... 49% “Shoot me now... responsive design has seemingly become confused with an opportunity to reduce performance rather than improve it. #performance” — Twitter User 1 Source: Equation Research; Forrester Research | 2 Source: Equation Research, Aberdeen Group DocumentCompletionTime *Document Complete is when the browser considers the webpage loaded (onLoad event for those familiar with javascript events). This usually happens after all of the images and content have loaded but may not include content that is triggered by javascript execution. 697KB 59 REQUESTS 237KB 20 REQUESTS FEWER BYTES AND REQUESTS + ACCELERATED RENDERING = FASTER PAGES50% DOCUMENT COMPLETE* DOCUMENT COMPLETE* EXAMPLE OF A MAJOR RETAILER’S RESPONSIVE WEB DESIGN SITE Kilobytes: 764 | Requests: 60 WEB PERFORMANCE IMPACTS BUSINESS Tablet (Wifi) Smart Phone (4G) Laptop (Cable) 2.2 SECONDS 6.2SECONDS 3.7 SECONDS Threshold: 2 seconds