onnotfocus unload tab and save CPU!
This script detect if you are using a tab or not, if not it unload unused tab using display:none and save your CPU Usage, this script reduce CPU Usage drastically because it unload flash, gif, everything that cause animation and eat up your CPU Usage.
FYTE /Fast YouTube Embedded/ Player
Hugely improves load speed of pages with lots of embedded Youtube videos by instantly showing clickable and immediately accessible placeholders, then the thumbnails are loaded in background. Optionally a fast simple HTML5 direct playback (720p max) can be selected if available for the video.
Disable SPF Youtube
Disables red bar aka SPF on youtube. This userscript is needed to work properly other userscripts on youtube site. This script must be first to be executed, example before Youtube+ or other good userscripts.
gpu acceleration of the flash player
This script is based on the method of incorporating a certain value of the "gpu" attribute "wmode" flash object. Includes gpu acceleration of the flash player. Solves problems with lags of the flash player when watching videos and streams. Works on all websites that use flash technology.