Top Retail Sites Taking 33% Longer to Load Than A Year Ago

April 25, 2014

This article is included in these additional categories:

Digital | Retail & E-Commerce

Radware-Top-Retail-Site-Load-Speeds-Apr2014

    Source: Radware [download page]

      Notes: The median load time for home pages of the top 500 US retail websites (as ranked by Alexa) continues to slow down, clocking in at 10 seconds in the latest quarterly study from Radware, covering Spring 2014. That’s 33% longer than the 7.5 seconds from Spring 2013. The top 100 sites are faring even worse: the median site took 10.7 seconds to load. Radware blames large page sizes and a lack of adherence to best practices.

        Related: Top Retail Site Load Speeds Update: Still Slowing Down

          About the Data: Radware describes its methodology as follows:

          “The tests in this study were conducted using an online tool called WebPagetest ”“ an open-source project primarily developed and supported by Google ”“ which simulates page load times from a real user’s perspective using real browsers. Radware tested the home page of every site in the Alexa Retail 500 nine consecutive times. The system automatically clears the cache between tests. The median test result for each home page was recorded and used in our calculations.

          The tests were conducted on March 24, 2014, via the WebPagetest.org server in Dulles, VA, using Chrome 33 on a DSL connection.

          In very few cases, WebPagetest rendered a blank page or an error in which none of the page rendered. These instances were represented as null in the test appendix. Also, in very few cases, WebPagetest.org rendered a page in more then 60 seconds (the default timeout for webpagetest.org). In these cases, 60 seconds was used for the result instead of null.

          To identify the time to interact (TTI) for each page, we generated a timed filmstrip view of the median page load for each site in the Alexa Retail 100. Time to interact is defined as the moment that the featured page content and primary call-to-action button or menu was rendered in the frame.”

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