Here are Firefox about:config preferences they tweak for performance: https://github.com/zen-browser/desktop/blob/1eaf6e49ef8edd443105b4606a4dc9e5733a9ad5/src/

Here are Firefox about:config preferences they tweak for performance: https://github.com/zen-browser/desktop/blob/1eaf6e49ef8edd443105b4606a4dc9e5733a9ad5/src/browser/app/profile/better-fox.js#L13-L59 https://github.com/zen-browser/desktop/blob/1eaf6e49ef8edd44... I also found this somewhat funny: # Edit: ok, ill remove it, goodbye top #1 on fastest browsers benchmark :[ # ac_add_options --without-wasm-sandboxed-libraries https://github.com/zen-browser/desktop/blob/1eaf6e49ef8edd443105b4606a4dc9e5733a9ad5/configs/common/mozconfig#L102 https://github.com/zen-browser/desktop/blob/1eaf6e49ef8edd44...