Firefox

Homepage and new tabs

systemctl --user enable --now homepage

Point your browser to http://localhost:7342/newtab.html (synced by firefox sync feature).

Prevent white flash

Add the following line to ~/.mozilla/firefox/<user>/chrome/userChrome.css

@-moz-document url(chrome://browser/content/browser.xhtml)
{

  #main-window,
  browser[type="content-primary"],
  browser[type="content"],
  tabbrowser#content,
  #content,
  browser[type="content"] > html,
  #tabbrowser-tabpanels,
  .browserContainer
  {
     background: #1c1c1c !important;
  }

}

AND set toolkit.legacyUserProfileCustomizations.stylesheets to true in about:config.

TODO: Same for devtools?

Tridactyl

Run :installnative in firefox.

Run :guiset gui none.

Restart firefox.

uBlock

Distraction-free lists:

• Stack Exchange
• Youtube