Well, this is a popular term, referring to is a technology created to let internet users view online video content over an internet connection without having to actually download and store the media files to their devices, according to CDNetworks. Now, let’s find out what does download speed mean when it comes to video streaming. Let’s start this post with the question “ is upload or download speed more important for streaming?”! Following is the answer. Cre: Upload vs download speed: What is more important for video streaming?