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FF slower after version 31

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badcom
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FF slower after version 31

Hello,

I've noticed the FF portable has been slower after version 31. In one of a client's website (I can't post it here) I noticed via the Network tab in the Webdeveloper tool that it always loads a bunch of files (js and css) whereas in the normal FF version and FF portable 31 it only loads 2 (no js or css). Wondering if you have changed any cache settings or anything else that could affect its performance?

Thanks,
Vilmondes

John T. Haller
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No Changes

There have been no significant changes to the configuration of Firefox Portable in many years. It's possible you have an extension interfering or that you are logged in in one copy vs another. Many sites, including ours, serve different JS and CSS to logged in vs not logged in users.

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badcom
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Firefox 32+ cache

I found out that this is due to the below config that's not present in Firefox Portable 32+, therefore the cache is not working properly:
browser.cache.disk.smart_size_cached_value (I use value 358400)

If you access about:cache, you will notice that in the Disk section it's not saving any cache. It's starts saving only when you add the above line to about:config.

Was this removed on purpose?

John T. Haller
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Cache always disabled

Cache has always been disabled in Firefox Portable. It makes Firefox run significantly slower when run from your average USB drive due to the limited bandwidth of most USB controllers (and the fact that they often read or write, not read and write at the same time).

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badcom
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List of changes to about:config

I got it. Thanks.

Is there a list of changes made to about:config available somewhere?

John T. Haller
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Two

There are two changes made. Updates are set to prompt but not install automatically. And cache is set to 0MB.

Sometimes, the impossible can become possible, if you're awesome!

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