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max / ЁЯза X.com рд╣реЗрд╡реА рдЬреЗрдПрд╕ рдСрдкреНрдЯрк┐ркорк╛ркЗркЭрк░+

Install steps: Install a userscript manager, select Install, then open a website matched by the script.

рд╡рд╛рдкрд░рдХрд░реНрддрд╛ рд╕реНрдХреНрд░рд┐рдкреНрдЯ рдирд╡рд╢рд┐рдХреНрдпрд╛ HOWTO Chrome Edge Firefox

рдкреНрд░рдХрд╛рд╢рд┐рдд:

рдЖрд╡реГрддреНрддреА: 1.3.9.1+3c718ea рдЕрджреНрдпрддрдирд┐рдд

рд╕рд╛рд░рд╛рдВрд╢: X.com/Twitter рдХрд╛рд░реНрдпрдкреНрд░рджрд░реНрд╢рди рд╕реБрдзрд╛рд░рд╛: рдЬрдб CSS рдХрд╛рдврддреЗ, FPS рдереНрд░реЙрдЯрд▓ рдХрд░рддреЗ, DOM рдЖрдХрд╛рд░ рдорд░реНрдпрд╛рджрд┐рдд рдХрд░рддреЗ, рдСрдлрд╕реНрдХреНрд░реАрди рд╡реНрд╣рд┐рдбрд┐рдУ рдерд╛рдВрдмрд╡рддреЗ, рд╡рд┐рд╢реНрд▓реЗрд╖рдг рдмреНрд▓реЙрдХ рдХрд░рддреЗ рдЖрдгрд┐ рд▓реЕрдЧ рдЖрдврд│рд▓реНрдпрд╛рд╕ рд╕реНрд╡рдпрдВрдЪрд▓рд┐рддрдкрдгреЗ рдЖрдХреНрд░рдордХ рдореЛрдб рд╕рдХреНрд╖рдо рдХрд░рддреЗ.

рдореБрдЦрдкреГрд╖реНрда: https://greasyfork.org/scripts/553367-x-com-heavy-js-optimizer

рдкрд░рд╡рд╛рдирд╛: MIT

рдЕрдБрдЯреАрдлрд┐рдЪрд░: рдЕрдирд┐рд░реНрджрд┐рд╖реНрдЯ

Source and freshness

The following figures come from the original source and are separate from activity on this site.

Original script: ЁЯза X.com щлШч║з JavaScript ф╝ШхМЦхЩи+

Source version: 1.3.9

Last source check:

Last successful check:

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Clicking Install records a request on this site; it does not confirm installation. Not working after install? View troubleshooting and issues

ЁЯза X.com Heavy JS Optimizer+

тЪб Overview

X.com Heavy JS Optimizer+ is a high-performance userscript that dramatically reduces lag, scroll jank, and CPU load on X.com (Twitter).
It intelligently removes redundant animations, limits repainting, pauses offscreen videos, and caps JavaScript frame rates тАФ all without breaking the core site experience.

ЁЯЪА Features

  • ЁЯз╣ Lightweight CSS Cleanup
    Removes heavy effects (backdrop-filter, blur, gradients) and disables GPU-stressing layers.

  • тЪЩя╕П Passive Event Optimization
    Forces passive: true on scroll/touch listeners for smoother rendering.

  • ЁЯОЮя╕П Smart Video Control
    тАв Only one video can play at a time
    тАв Auto-pause when scrolled offscreen
    тАв Prevents auto-play and decoding spam

  • ЁЯзй DOM Feed Garbage Collector
    Keeps only the last N tweets in the DOM to prevent memory bloat.
    (Configurable from userscript menu.)

  • ЁЯУК Metrics Blocking (Optional)
    Blocks unnecessary telemetry calls like scribe, engagement, and client_event.

  • тЪб Aggressive Runtime Mode
    Auto-detects long tasks and dynamically limits FPS (requestAnimationFrame) to maintain stability.

  • ЁЯТд Tab Visibility Safety
    Auto-pauses all videos when tab is hidden.

ЁЯз░ Menu Commands

Available via ViolentMonkey / TamperMonkey menu:

  • ЁЯза Toggle Aggressive Mode
  • ЁЯзй Set feed tweet limit
  • ЁЯУК Enable/Disable metrics blocking

ЁЯзк Benchmarks

Scenario Before After Improvement
Scrolling feed 100+ tweets ~48тАУ55 FPS 90+ FPS +85%
Memory footprint (avg) 1.4 GB 650 MB тИТ53%
CPU load (video active) 45тАУ60% 25тАУ30% тИТ50%

(Tested on Brave 1.72 / Win10 / Ryzen 7 5800H)

тЪЩя╕П Compatibility

тЬЕ Works on:

ЁЯзй Supported managers:

  • ViolentMonkey тЬЕ
  • TamperMonkey тЬЕ
  • FireMonkey ЁЯЯб (limited support)

ЁЯТб Tips

  • For best results, disable other performance-altering scripts or extensions.
  • You can monitor real-time CPU impact via Chrome DevTools > Performance.

ЁЯкД Credits

Developed by Oppai1442
Made with тЭдя╕П, caffeine, and a stubborn hatred of lag

If you encounter any issues, please leave feedback тАФ IтАЩll fix them as soon as possible.

License: MIT
View source on GreasyFork

тЪая╕П Disclaimer:
This script modifies rendering behavior for optimization purposes.
Use at your own discretion тАФ functionality on experimental browsers may vary.

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