Performance
9 questions
Why does the browser slow down and how to speed it up?
•Many open tabs — close unnecessary ones or use an extension to unload them.
•Heavy extensions — disable/remove them.
•Filled cache — clear it.
•Outdated browser — update it.
•Low RAM — add memory or use fewer tabs.
How to reduce browser memory consumption?
•Fewer tabs.
•Extension like The Great Suspender or built-in sleeping tabs.
•Disable page preloading.
•Use Lite versions of sites.
•Firefox consumes less memory than Chrome.
Which browser is the fastest?
•Chrome, Edge, Brave, Opera — based on Chromium engine, roughly equal.
•Firefox — comparable, sometimes faster.
•Safari — optimized for Mac, efficient.
•Speed depends on: number of tabs, extensions, hardware.
•For weak PCs: Firefox or Edge Lite.
How to disable hardware acceleration?
•Helps with graphics glitches, high GPU load.
•Chrome: Settings → Advanced → System → disable.
•Firefox: Settings → Performance → uncheck Use recommended performance settings.
•Edge: Settings → System and performance → disable.
•Restart the browser after changes.
How to enable lazy loading of images?
•Chrome: enabled by default.
•Firefox: about:config → dom.image-lazy-loading.enabled.
•Images load when scrolling.
•Saves traffic and speeds up loading.
•Works automatically on most modern sites.
Performance: how to find tabs/extensions that load CPU?
Start with the simple: update your browser, clear cache/cookies for the problematic site, and disable extensions one by one.
Performance: how to set up sleeping tabs and battery saving?
Practice for 'Performance': check in private mode and in another browser. It quickly shows whether the problem is with the site or your profile/extensions.
Performance: how to reduce video lag and speed up page rendering?
Answer for 'Performance': enable synchronization, but keep 2FA and backup codes. Security is more important than convenience.
Performance: how to clear cache/profile without losing important data?
For 'Performance', it’s useful to set up a password manager and tracker blocker, but avoid installing dozens of extensions at once.