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Does Adblock slow down Firefox?

Fresh7 days ago
Mar 15, 202612095 views
Confidence Score0%
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Problem

You might have heard of the Adblock extension that has a massive list of URL filters to block out adverts from most websites. Does this slow down Firefox, considering that for every little image and flash it has to consult that massive URL whitelist?

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: Does Adblock slow down Firefox?

Low Risk

Most of the blocked content is made up of flash files, images and scripts. These are quite large and require time to download. So, by blocking them Adblock actually improves the loading time, sometimes by a lot.

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