On Sun, 19 Sep 2021 18:21:56 -0700, Dave Taht said: > what actually happens during a web page load,
I'm pretty sure that nobody actually understands that anymore, in any more than handwaving levels. I have a nice Chrome extension called IPvFoo that actually tracks the IP addresses contacted during the load of the displayed page. I'll let you make a guess as to how many unique IP addresses were contacted during a load of https://www.cnn.com ... ... ... 145, at least half of which appeared to be analytics. And that's only the hosts that were contacted by my laptop for HTTP, and doesn't count DNS, or load-balancing front ends, or all the back-end boxes. As I commented over on NANOG, we've gotten to a point similar to that of AT&T long distance, where 60% of the effort of connecting a long distance phone call was the cost of accounting and billing for the call.
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