Hello, You can try changing your preferences in the '''about:config''' page: # In the [[Location bar autocomplete|Location bar]], type '''about:config''' and press '''Enter'''. The about:config "''This might void your warranty!''" warning page may appear. # Click '''I'll be careful, I promise!''' to continue to the about:config page. # In the search box above the list type in '''mousewheel''' and wait for the list to be filtered # You can try decreasing/changing any of the following preferences and test scrolling on a page in another tab until you find a value that makes things comfortable for you: #* '''mousewheel.default.delta_multiplier_y''' #* '''mousewheel.system_scroll_override_on_root_content.vertical.factor''' #* '''mousewheel.min_line_scroll_amount''' #* '''general.smoothScroll.mouseWheel.durationMaxMS''' (assuming smooth scrolling is enabled) # If you want to reset the preference to default, you can right click on the row of these modified preferences and select '''Reset'''