Stop Firefox YouTube from auto-loading videos (HTML5)
130182
Is there any way to disable a YouTube video from automatically starting in Firefox?
17444
How to disable Google Chrome's Auto-update feature?
127119
Disable "open with" option on Firefox downloads (force Firefox to always save all files)
41663
WIth Vimeo Plus account, how to hide/remove the "play" button in the middle of an embedded video?
141001
How to turn off Reload alerts?
72301
Disabling the "Enable notifications?" popup in Firefox
110291
Prevent automatic browser scroll on refresh
66833
How to switch Firefox channel to Stable?
123221
Speed up YouTube Playback?
73642
Programmatically disable window.location.reload?
98044
Shrink a YouTube video to responsive width
43464
Pause button started working for Chrome / Youtube, messing with audio player controls
151195
How do I force single (only) channel audio in youtube/flash videos to play in both (left/right) channels?
94885
How to Preload Tabs/Set Multiple Websites as Default in Firefox, IE, etc
7738
How do I auto-reload a Chrome extension I'm developing?
61848
When is appropriate to auto play music or video on a page?
156275
How to prevent automatic hibernation while watching videos?