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.

Recommended scripts and styles to install here (Make sure you install Stylus extension to do this).
YouTube CPU Tamer by AnimationFrame - https://greasyfork.org/en/scripts/431573
Unhold YouTube Resource Locks - https://greasyfork.org/en/scripts/457205
Simple Age Restriction Bypass - https://greasyfork.org/en/scripts/423851
YouTube tweaks for uBlock Origin - https://pastebin.com/0Qtubr5M

Bonus scripts to install (if users have their older/lower specs machines).
Hide VP9 support from YouTube - https://greasyfork.org/en/scripts/373685
Disable YouTube 60 FPS (Force 30 FPS) - https://greasyfork.org/en/scripts/23329

Or install enhanced-h264ify extension (available on both Chromium-based and Firefox browsers).
https://chrome.google.com/webstore/detail/enhanced-h264ify/omkfmpieigblcllmkgbflkikinpkodlk
https://addons.mozilla.org/en-US/firefox/addon/enhanced-h264ify/

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