We’ll show you how to fix ???serve static content from a cookieless domain??? error. When using a website analyzer tool such as PageSpeed Insights, GTMetrix, Pingdom, or Uptrends, a warning will often appear that says ???Serve Static Content From a Cookieless Domain???. What this means is that your web server is setting cookies – this causes all future HTTP requests to include this cookie, creating unwanted network traffic. This in turn only slows down the speed of your website when a user tries to access it. If you need your website to be as fast as possible, switching to a cookieless domain is the way to go. A cookieless domain does not accept any cookies from any browsers, keeping the overall network traffic lower. The goal is to serve all static content – such as images, javascript, CSS, and more – all through a static, cookieless domain, which helps improve the speed at which these resources are downloaded.