If you’ve worked on or around an enterprise gateway team, you’ll learn pretty quickly that 1) Microsoft, Akamai, Cloudfront and Apple traffic appear to represent 95% of traffic in a given organisation, and 2) providing meaningful reports on internet usage for executives is *hard*
Somewhat over two decades ago, the #1 site in the web cache stats for the web cache between an ISP dialup pool and the internet at large was "icons.hotmail.com" (may have been a number on "icons", actually). With probably 2-3 x the hits than the first porn site.