The caller is having issues with wifi in his laptop. It's VERY slow. Leo says that your router may need to be replaced if it's really old. Run Inssider and see how well your wifi is. NetSpot is another that will show you the weak spots in your router coverage. There are others here - https://techwiser.com/best-wifi-analyzer-for-windows/
Mesh routers like the Orbi may also be doing bandwidth shaping to prioritize the web traffic.