I've been having some poor connection speeds lately. In our household, we were able to watch TFC (streaming video - Fiipino On Demand TV, stand-alone receiver), play PS3 online, and watch movies on Netflix simultaneously, even during peak hours.
At first, I thought it might have been the wireless router. It was about 7-8 years old, and probably need replacement anyway. It was replaced with a dual-band D-Link router, best available. Still no improvement. Everything in the household is wireless except the TFC receiver, and I have tested connection speeds wired and wirelessly, through the router and directly connected to the modem.
To my knowledge, I only have the 10Mbps package, but I haven't had this issue a few months ago.