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Comment by 127361 | Hacker News Reader

I personally hate anything that adds unnecessary latency, that's why I disable smooth scrolling and desktop effects. I even have a CSS hack to disable all transitions, animations and fades on the Web. It makes everything instantaneous, which I really like. I also use plain X11 without a compositor, so I have a super low latency desktop that feels really fast.

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Totally with you; first thing on a new system is hit the "accessibilty" settings to disable features/improve latency.

There's also the pointless visual distractions (e.g. firefox blue flash) even after killing web page animations,

I eliminated Firefox animations with a custom userChrome.css file. They are all gone.

Snap. You nixed the blue flash too?

  /*  No blue swipe on tabs when loaded */
  .tabbrowser-tab .tab-loading-burst {
    display: none !important;
  }

Can't find the original reference, looks like plenty of others though, e.g. https://www.reddit.com/r/FirefoxCSS/comments/11js1cuprevent_...

Blue flash completely destroyed, I confirm it.

This is my userChrome.css (I also have a megabar remover in there, that's not shown here):

* {

    transition-delay: 0ms !important;

    /* This is the magic to kill it 100% */
    transition-timing-function: steps(1, jump-start) !important;

    /* Animation Killer */
    animation-delay: 0ms !important;
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
    animation-timing-function: steps(1, jump-start) !important;

}

Also I have ui.PrefersReducedMotion=1 set in about:config.

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