Firefox has this too. You can do it the network tab[1] or in the Responsive Design Mode[2]. There's drop downs there where you can control how much you want to

Firefox has this too. You can do it the network tab[1] or in the Responsive Design Mode[2]. There's drop downs there where you can control how much you want to throttle [1] https://developer.mozilla.org/en-US/docs/Tools/Network_Monitor/Throttling https://developer.mozilla.org/en-US/docs/Tools/Network_Monit...' [1] https://developer.mozilla.org/en-US/docs/Tools/Responsive_Design_Mode https://developer.mozilla.org/en-US/docs/Tools/Responsive_De...