Upload speed means how quickly Upload Speed Test, users can send data from their devices (PC, mobile, tablet, etc.) to the internet network. Upload speed is usually slower than download speed, as upload speed is usually less important for the common user. Most activities on the internet don’t require fast upload speeds.TMIS, On the other hand, upload speed might be very important for users who upload a lot of data to services such as YouTube, Google Drive, Dropbox, etc.