How To Tweak Firefox Quantum For Older PCs

The new Firefox version – Quantum has the feature of multi-content processes or electrolysis/e10s.

firefox quantum

What this means is that all the rendered web content now run as different processes and are separate from the main Firefox user interface.

Having this option of multiple content processing results in faster browsing but also can consume more memory. So, for older PCs, if Firefox seems slower than before, changing the value of default content processes (which is set to 4) can help.

To do this:

Access Firefox options through Tools>Options.

firefox options

From General section, scroll down to Performance.

general settings in firefox

Next, uncheck Use recommended performance settings. Then, change the content process limit value to less than 4.

changing content process limit in firefox quantum

Close and restart Firefox.

All done.

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