How to emulate Firefox's behavior with Youtube on Pale Moon? Topic is solved

[gh_origin]

I posted here since I'm using Pale Moon for Linux.

I always opened all of the videos I want to watch in background tabs and Firefox doesn't load them until I clicked on them, thanks to it multiprocess ability. But on Pale Moon when opened in background tabs, all of the videos started to play. Since they all played at the same time, I have to go to each tabs to stop the video playback myself. It's very inconvenient. So I found a workaround using Lull The Tabs to force unload of all background tabs. It's worked but also inconvenient, too. Since I only want this behavior to apply with Youtube but not other sites, I asked the author to add blacklist feature: https://github.com/JustOff/lull-the-tabs/issues/12

He said it's a specific use case and he will not add it soon. So currently I only turned Lull The Tabs on when visiting Youtube and disable it when using other sites. Very fortunate for me, Lull The Tabs doesn't need to be restarted to disable/enable. But it's still a bit inconvenient. Is there any other solutions/workarounds I could use to archive the same behavior? Thanks.

[Moonchild]

Firefox doesn't load them until I clicked on them, thanks to it multiprocess ability.

Totally wrong assumption. That has nothing to do at all with e10s.

[gh_origin]

Firefox doesn't load them until I clicked on them, thanks to it multiprocess ability.

Totally wrong assumption. That has nothing to do at all with e10s.

I'm not sure. But at least Firefox doesn't start the video playback at all until I opened the tab and clicked to start it. Pale Moon on the other hand start the video playback immediately after the background tab was opened without having to be activated by clicking on it.

[moonbat]

Open about:config in a new tab, accept the warning, and change media.autoplay.enabled to false. If that doesn't work, install Youtube Lazy Load.

[gh_origin]

Open about:config in a new tab, accept the warning, and change media.autoplay.enabled to false. If that doesn't work, install Youtube Lazy Load.

The about:config hack worked but buggy. The video will keep loading without being played but if we clicked on it to start the playback, it will not start. You have to click the play button two more times (to turn playback of then turn it on again) to have it actually started the video playback.

The extension developer clearly stated that it doesn't work with modern Youtube layout, that I'm currently using.

So, none of them are really the solution at all.

[coffeebreak]

The about:config hack worked but buggy.

Try the following setting - it disables video autoplay in background tabs, but retains autoplay for the currently selected tab...
about:config ->
Set media.block-autoplay-until-in-foreground to true

(in conjunction, reset media.autoplay.enabled to its default, true)

Btw... A more accurate and informative topic title IMO would be something like: "How to prevent YouTube videos from autoplaying in background tabs".

[gh_origin]

The about:config hack worked but buggy.

Try the following setting - it disables video autoplay in background tabs, but retains autoplay for the currently selected tab...
about:config ->
Set media.block-autoplay-until-in-foreground to true

(in conjunction, reset media.autoplay.enabled to its default, true)

Btw... A more accurate and informative topic title IMO would be something like: "How to prevent YouTube videos from autoplaying in background tabs".

Your solution is perfect.