Radware State of the Union: Page Speed & Web Performance -- Spring 2014 Infographic
1
3s 2s 1s 5.4s median The median top 500 ecommerce home page takes 10 seconds to load. In spring 2012, the median page loaded in 6.8 seconds. This represents a 47% slowdown in just two years. Even worse, 10% of pages took 20 seconds or longer to load. This means that a visitor spends 5.4 seconds waiting for the page’s primary content to appear and become interactive. Most online shoppers report that they will abandon a page that takes longer than 3 seconds to load. PAGE SPEED & WEB PERFORMANCE STATE OF THE UNION | SPRING 2014 We tested the load times of the most popular retail web sites and found that the median page takes 5.4 seconds to become usable and 10 seconds to load. The culprit? Pages that reach up to 13 MB in size and fail to follow web performance best practices. THE MEDIAN PAGE TAKES 10 SECONDS TO LOAD. THE MEDIAN PAGE TAKES 5.4S TO BECOME USABLE. RETAIL LEADERS PERFORMED WORSE THAN THE TOP 500. HOW FAST ARE THE WORLD’S TOP SHOPPING SITES? SPRING 2012 FALL 2012 6.8s 7.4s 47 % SLOWDOWN IN JUST 2 YEARS LOAD TIME (seconds) SPRING 2013 FALL 2013 SPRING 2014 7.5s 8.6s 10.0s 6 7 8 9 10 Looking at the top 100 sites, the median site took 10.7 seconds to load, compared to 6.6 seconds in spring 2012. Spring 2014 - 10.7s Fall 2013 - 8.7s Spring 2013 - 8.2s Fall 2012 - 7.1s Spring 2012 - 6.6s This represents a 62% slowdown in two years. 1.3s 1.7s 1.8s 2.0s 2.0s 2.0s 2.1s 2.3s 2.5s 2.7s 2.7s 2.9s 3.0s Abebooks.com BHPhotovideo.com CDUniverse Barnesandnoble.com Nordstrom.com Net-a-porter.com Amazon.com Fineartamerica.com 6pm.com Wiley.com Urbanoutfitters.com Shopbop.com Carmax.com of pages took 10 seconds or longer to become interactive. These were the only sites that became interactive in 3 seconds or less: More than three-quarters of pages did not use progressive JPEGs, a performance best practice that can improve perceived page speed. Only 8% scored an A in this area. DOWNLOAD THE FREE REPORT © 2014 Radware, Ltd. All rights reserved. | www.radware.com State of the Union: Ecommerce Page Speed & Web Performance http://www.radware.com/spring-sotu2014 seconds is the maximum threshold for a visitor’s patience. 9% 10 USING A CONTENT DELIVERY NETWORK DOESN’T ALWAYS EQUAL FASTER PAGES WHY ARE PAGES SLOWER? JPEG GIF GIF JPEG GIF JPEG No 25% Yes 75% USE A CDN 75% of the top 100 retail sites use a CDN to cache page resources, such as images, closer to end users, while 25% do not. Yet this performance best practice doesn’t correlate to faster pages. There are a number of reasons why pages have slowed down. The number one culprit is images, which account for at least half of a typical page’s total size. What’s worse, many images are not optimized to render quickly in the browser. The median page contains 99 resources and is 1510 KB in size. In other words, a typical page is 20% bigger than it was just six months ago. Median TTI for sites that don’t use a CDN 4.7 seconds Median TTI for sites that use a CDN 5.7 seconds 1258 kilobytes 1510 kilobytes FALL 2013 SPRING 2014 20% bigger than six months ago. MOST SITES FAIL TO EXPLOIT IMAGE OPTIMIZATION TECHNIQUES There are techniques available for optimizing images for performance, but most sites fail to fully exploit them. 34% of pages failed to compress images, while only 8% scored an A in image compression. A 8 % B 14 % C 20 % D 15 % F 34 % n/a 8 % JPEGs PROGRESSIVE F 76 % A - 8 % B - 1 % C - 2 % D - 2 % n/a -11 %
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Transcript of Radware State of the Union: Page Speed & Web Performance -- Spring 2014 Infographic
3s
2s
1s
5.4smedian
The median top 500 ecommerce home page takes 10 seconds to load. In spring 2012, the median page loaded in
6.8 seconds. This represents a 47% slowdown in just two years.Even worse, 10% of pages took 20 seconds or longer to load.
This means that a visitor spends 5.4 seconds waiting for the page’s primary content to appear and
become interactive. Most online shoppers report that they will abandon a page that takes longer than 3 seconds to load.
PAGE SPEED & WEB PERFORMANCESTATE OF THE UNION | SPRING 2014
We tested the load times of the most popular retail web sites and found that the median page takes 5.4 seconds to become usable and 10 seconds to load. The culprit? Pages that reach up to 13 MB in size and fail to follow web performance best practices.
THE MEDIAN PAGE TAKES 10 SECONDS TO LOAD.
THE MEDIAN PAGE TAKES 5.4STO BECOME USABLE.
RETAIL LEADERS PERFORMED WORSE THANTHE TOP 500.
HOW FAST ARE THE WORLD’S TOP SHOPPING SITES?
SPRING 2012
FALL 2012
6.8s
7.4s
47%SLOWDOWN INJUST 2 YEARS
LOAD TIME (seconds)
SPRING 2013
FALL 2013
SPRING 2014
7.5s
8.6s
10.0s
6 7 8 9 10
Looking at the top 100 sites, the median site took 10.7 seconds to load, compared to 6.6 seconds in spring 2012.
Spring 2014 - 10.7sFall 2013 - 8.7sSpring 2013 - 8.2sFall 2012 - 7.1sSpring 2012 - 6.6sThis represents
a 62% slowdownin two years.
1.3s
1.7s 1.8s2.0s 2.0s 2.0s 2.1s
2.3s2.5s
2.7s 2.7s2.9s 3.0s
Abebooks.com
BHPhotovideo.com
CDUniverse
Barnesandnoble.com
Nordstrom.com
Net-a-porter.com
Amazon.com
Fineartamerica.com
6pm.com
Wiley.com
Urbanoutfitters.com
Shopbop.com
Carmax.com
of pages took 10 seconds or longer to become interactive.
These were the only sites that became interactive in 3 seconds or less:
More than three-quarters of pages did not use progressive JPEGs, a performance best practice that can improve perceived page speed. Only 8% scored an A in this area.
DOWNLOAD THE FREE REPORT
© 2014 Radware, Ltd. All rights reserved. | www.radware.com
State of the Union: Ecommerce Page Speed & Web Performancehttp://www.radware.com/spring-sotu2014
seconds is the maximum threshold for a visitor’s patience.
9%
10USING A CONTENT DELIVERY NETWORK DOESN’T ALWAYS EQUAL FASTER PAGES
WHY ARE PAGES SLOWER?
JPEG
GIF
GIF
JPEG
GIF
JPEG
No25%
Yes75%
USE A CDN
75% of the top 100 retail sites use a CDN to cache page resources, such as images,
closer to end users, while 25% do not. Yet this performance best practice doesn’t correlate to faster pages.
There are a number of reasons why pages have slowed down. The number one culprit is images, which account for at least half of a typical page’s total size. What’s worse, many images are not optimized to render quickly in the browser.
The median page contains 99 resources and is 1510 KB in size. In other words, a typical page is 20% bigger than it was just six months ago.
Median TTI for sitesthat don’t use a CDN 4.7
seconds
Median TTI for sitesthat use a CDN 5.7
seconds
1258kilobytes
1510kilobytes
FALL2013
SPRING2014
20% biggerthan six
months ago.
MOST SITES FAIL TO EXPLOIT IMAGEOPTIMIZATION TECHNIQUES
There are techniques available for optimizing images for performance,but most sites fail to fully exploit them. 34% of pages failed to compress images, while only 8% scored an A in image compression.
A8%
B14%
C20%
D15%
F34%
n/a8%
JPEGsPROGRESSIVEF
76%
A - 8%
B - 1%
C - 2%
D - 2%
n/a -11%
