This is a Firefox extension. Adds page up and down buttons on all sites. They are useful on low refresh rate devices such as e-ink tablets to reduce lagging.
You can download from https://addons.mozilla.org/en-US/firefox/addon/updown-buttons/ or build from source by yourself.
CC-BY-SA-3.0 for img/main-icon.svg (derived from Adwaita icons). Mozilla Public License 2.0 for everything else.
This is a fork of https://addons.mozilla.org/en-US/firefox/addon/pag-up-and-down-scroll-buttons/ which author "chanilino chanin@chan.org" and "Eduardo eduardo@perrico.lan" can't be contacted.