Wifi internet connection suddenly becomes very slow

[neku]

Though the mobile internet connection is fast, suddenly the wifi internet connection using a dongle becomes very slow on the desktop for some time. What could be the reason for decrease in internet connection speed?

 

[Fidelia]

The slow connection from the wifi is not unrelated to the internet service provider that the wifi sources from.

 

[eLdavis]

There are various reasons as to why this might happen, and one of the most common reasons is usually network congestion.