By /u/one111one1one11, in response to /u/ElemxntalOnyx on this Reddit post

My Speedometer score with 30.4 before major customizations

about:config settings

that according to Perplexity Pro have some impact on a Speedometer test (I have no idea what could influence such a test so I asked)

Preference Value Notes
browser.preferences.defaultPerformanceSettings.enabled false If true, resets many performance tweaks to default (usually not ideal for speed, but not a direct setting)
dom.ipc.processCount 16 More content processes can help with parallelism (but Speedometer is single-threaded JS heavy)
layers.acceleration.force-enabled true Forces GPU acceleration, which can help rendering speed
media.hardware-video-decoding.force-enabled true Forces hardware video decoding, not directly relevant for Speedometer
gfx.canvas.accelerated.cache-size 512 Affects canvas rendering performance (Speedometer uses canvas)
gfx.content.skia-font-cache-size 20 Affects font rendering performance
toolkit.cosmeticAnimations.enabled false Disables animations, but Speedometer measures real app performance

Extensions

Extension Description
11Labs Reads selected text on page using ElevenLabs TTS
LeechBlock NG LeechBlock is a simple productivity tool for blocking time-wasting sites.
uBlock Origin Finally, an efficient blocker. Easy on CPU and memory.
Zen Internet Make the internet feel native and elegant. Zen Internet is a browser extension that enhan...
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Pub: 09 Jun 2025 07:04 UTC
Views: 47