YouTube Web Tweaks

These steps are required to tweak here!

Make sure you install an ad blocker extension like uBlock Origin or AdGuard so it will remove ads completely.

Just install Tampermonkey, or Violentmonkey and install these scripts here.
Hide VP9 support from YouTube (if you have a potato PC): https://greasyfork.org/en/scripts/373685-hide-vp9-support-from-youtube
Disable YouTube 60 FPS (Force 30 FPS) (if you have a potato PC): https://greasyfork.org/en/scripts/23329-disable-youtube-60-fps-force-30-fps
*YouTube CPU Tamer by AnimationFrame: https://greasyfork.org/en/scripts/431573-youtube-cpu-tamer-by-animationframe
*YouTube Anti-Shorts Script: https://github.com/YukisCoffee/yt-anti-shorts/blob/main/anti-shorts.user.js

To improve performance even more, Just turn off "keep hovering to play" popup. Instructions here.
https://gist.github.com/matter-it-does/bc3acea114ef3962973de54fba57509a

Note: These (*) scripts tweaks both YouTube's CPU usage along with redirecting shorts into videos.