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Ecommerce Page Speed: Fall 2012 State of the Union

FALL STATE OF THE UNION Page Speed & Web Performance 2012 We tested the load times of the top 2000 retail websites* and found that the median site takes 6.5 seconds to load, pages are getting bigger, and Internet Explorer 10 renders pages 8% faster than Chrome. LOAD TIME PAGE COMPOSITION The median load time for the top 2000 sites is 6.5 seconds for first-time visitors using Internet Explorer 9. The median Alexa 2000 page has 5% more requests in 2012 (first view). 6.50 sec. 5.94 sec. 73 77 1.83 sec. 2.16 sec. 2011 2012 2011 2012 Alexa 2000 is 9% slower for first-time Alexa 2000 is 15% slower for repeat page views than in 2011. visitors than in 2011. TOP 100 VS TOP 2000 Top sites are 10% slower than the rest of the pack. This is partly due to the fact that they contain 30% more page resources. 2011 2012 TOP 2000 6.50 sec. FIRST VIEW TOP 100 7.14 sec. CORE BEST PRACTICES FIRST VIEW First View 12% of sites failed to implement keep-alives, and 30%failed to use compression. These two simple techniques can improve start render time by up to 52%. Top 2000 247 GRADE F Top 100 77 100 Resource Requests KEEP ALIVES A: 1577 CONTENT DELIVERY NETWORK USE B: 62 C: 33 D: 48 E: 0 Out of the 2000 sites we tested, only 459 (23%) use a CDN, up from 405 sites (20.5%) in November 2011. but the vast majority of ecommerce sites still do not use a CDN to cache static page resources closer to their users. 592 GRADE F www. 2012 2011 459 405 www. /2000 SITES /2000 SITES www. www. COMPRESSION A: 939 www. www. B: 150 C: 148 D: 125 www. E: 0 23% 20.5% www. USE A USE A www. CDN CDN BROWSER PERFORMANCE Internet Explorer 10 edges out Firefox and renders pages 8% faster than Chrome. MEDIAN FIRST VIEW MEDIAN REPEAT VIEW lin seconds Vin seconds 6.906 6.392 6.395 1,990 1.961 1.870 IE 10 Chrome Firefox IE 10 Chrome Firefox strangeloop *Based on a study of the top 2000 retail websites, as ranked by Alexa.com. Home pages were tested in Chrome 20, Firefox 13, and Internet Explorer 7-10 using a third-party tool called WebPagetest. STRANGELOOPNETWORKS.COM 000000

Ecommerce Page Speed: Fall 2012 State of the Union

shared by TammyEverts on Sep 19
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For Strangeloop's Fall 2012 State of the Union, we tested the load times of the top 2,000 retail websites and found that -- among other things -- pages are 9% slower than in 2011, many sites still fai...

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