Are you running Ubuntu on a monitor with a high refresh rate? The Firefox web browser may not match your monitor’s native refresh rate.
This is a quick tip that shows how to change the Firefox refresh rate, but first you need to set the system refresh rate to match your monitor ([設定]->[ディスプレイ]).
1.) Open Firefox and type:
about:config Press Enter in the address bar. Then click the “Accept risk and continue” button.
2.) Next, in the filter box, ”
layout.frame_rate Click Edit Key Value to Monitor’s Native Refresh Rate (144 in this case).
that’s it. Restart Firefox and have fun!