State of the Union: Page Speed & Web Performance [Spring 2013]

★ STATE OF★ THE UNION SPRING 2013 010 0100 310 10:010100100010 &01001001001 PAGE SPEED & 001 001001001000100101011I0101001000100 4 5 PERFORMANCEO100 WEB We tested the load times of 1 the top 2,000 retail web sites and found that the median site takes 7.25 seconds to load, web 9. 2000 1000 pages are getting bigger, and Firefox outperforms other browsers. IDEAL LOAD TIME LOAD TIMES The median load time for the top 2,000 <3S DECEMBER 2011 22% 5.94s sites is 7.25 seconds for first-time visitors using Internet Explorer 9. This represents a 22% slowdown over just one year. SLOWDOWN JULY 2012 6.50s 7.255 DECEMBER 2012 PAGE COMPOSITIONS CSS The median web page contains 8.22% more resource requests JP G (e.g, images, CSS, JavaScript) than it did in 2011. December 2011: 6.40s TOP 100 vs TOP 2000 July 2012:7.14s December 2012: 8.23s Jess Top sites are 79 73 77 14% slower than the rest 28% DECEMBER 2011 JULY 2012 DECEMBER 2012 of the pack. This is partly SLOWDOWN due to the fact that they contain 9% more Median Top 100 page: 8.23s Median Alexa 2000 page: 7.25s resource requests. Top sites are also slowing down at a faster rate: the median page is 28% slower than it was just one year ago. TOP PAGES CONTAIN 79 RESOURCE REQUESTS MEDIAN ALEXA 2000 PAGE 9% MORE 86 RESOURCE REQUESTS MEDIAN TOP 100 PAGE RESOURCE REQUESTS CORE BEST PRACTICES Many sites still do not follow core performance best practices: 75% do not use a content delivery network (CDN), 13% do not enable keep-alives, and 22% do not use text compression. 21% 23% 25% 86% 88% 87% 64% 70% 78% USE A CDN ENABLE KEEP-ALIVES COMPRESS TEXT DECEMBER 2012 JULY DECEMBER 2011 DECEMBER JULY DECEMBER DECEMBER 2012 JULY DECEMBER 2011 2012 2012 2012 2012 2011 FAILING FAILING FAILING FAILING FAILING FAILING FAILING FAILING FAILING 79% 77% 75% 14% 12% 13% 36% 30% 22% BROWSER PERFORMANCE Firefox 17 delivered a faster median load time than Chrome 23 and Internet Explorer 9. Perhaps more noteworthy, over time median load times suffered across all 3 browsers. JULY 2012 6.40s Firefox 17 6.64s DECEMBER 2012 6.64s LOAD TIMES SUFFERED ACROSS ALL 3 BROWSERS 6.91s JULY 2012 Chrome 23 7.09s 7.09s DECEMBER 2012 6.50s JULY 2012 Internet Explorer 9 7.25s 7.25s DECEMBER 2012 0000 Based on a survey of the top 2,000 retail web sites, as ranked by Alexa.com. Each site's home page was tested in Chrome 23, Firefox 17, and Internet Explorer 9 using a third-party tool called WebPagetest. radware © 2013 Radware, Ltd. All rights reserved. | All logos are the property of their respective owners. www.radware.com