I've been having some pretty severe connection speed issues lately with Charter/Spectrum in the Saint Louis area (see my results for example). I noticed it start back in September when regular images and gifs would take anywhere from a few seconds to over a minute to load. I'm currently on a 100/5 plan, and everything was fine prior to that, but am seeing speeds dip down to 500Kbps or lower in regular intervals.
I've been capturing a lot of wireshark data and running a lot of autotests and it appears that the issue is just getting worse. Wireshark is showing