mike wrote:
[...]
Please recommend an app that can graph internet/web activity in real
time while ignoring local network traffic.
I'm currently using rainmeter, but it doesn't distinguish between types
of traffic.

I use NetWorx. Highly recommended, but since 1 January 2017 it's
payware at $25 for 5 devices. ( I still have the free version.)

https://www.softperfect.com/products/networx