When a user has hovered for 65 ms there is one chance out of two that they will click on that link, so instant.page starts preloading at this moment, leaving on average over 300 ms for the page to preload.Īnother option is to load the pages when the user starts pressing their mouse without preloading. On desktopīefore a user clicks on a link, they hover their mouse over that link. Instant.page uses just-in-time preloading - it preloads a page right before a user clicks on it. Yahoo: 400 ms resulted in a 5 to 9% drop in traffic. Mozilla: Shaving 2.2 seconds off page load time increased downloads by 15.4%. Walmart (slide #46): a 100 ms improvement brought up to 1% incremental revenue. Google (video): 500 ms caused a 20% drop in traffic. Amazon (PowerPoint, slide #15): 100 ms of latency resulted in 1% less sales.
