Okay so here's the problem I found out.
Chrome was the problem which I would never expect it to be.
So here's my speedtest result with
Google Chrome on my Windows 8:
And here's my speedtest result with
Firefox on Windows 8.
I don't know why my Ping is so high for my Google Chrome. I've uninstalled many extensions already and updated both browsers to its latest version.
Does anyone know what the problem might be or know how to resolve this? Thanks,