dnf install speedtestAnother is Speedcheck https://www.speedcheck.org If you happen to use Primus. No ads. http://speedtest.primus.ca/ Make sure nobody else in your household is using the connetion. Don't do the test over wi-fi.
Computer Tips - How fast is my internet connection?
Date: 2016feb25 Q. How fast is my internet connection? A. A nifty HTML5 test http://speedof.me/ The classic. Geographically distributed. I wonder if the ads have a effect on the test. http://www.speedtest.net/ Also has a RedHat/Fedora/CentOS packaged command-line: