On Sat, 20 Nov 2021 18:15:03 -0500
Jeffrey Ross via users <users@lists.fedoraproject.org> wrote:

> After the install I found that Firefox seems to be laggy when opening 
> pages and when typing in forms, I can often out type the display in
> FF, I know I'm a relatively fast typist but I don't think I am that
> fast.
> 
> According to top, "Web Content" spikes to just over 100% when I'm
> typing in FF and "GeckoMain" also spikes to 70% or so.
> 
> Suggestions?

I had this issue, but it was months (a year?) ago, and I've forgotten
the fix. But I know there is one, because it isn't happening now.  If
I think of it, I'll post a followup.

You could try starting firefox using
/usr/bin/firefox --new-instance --ProfileManager
When the profile manager comes up, create a new profile to use so that
it has no information from your current user.

You can also try going to
https://www.mozilla.org/en-US/firefox/channel/desktop/#nightly
and downloading and unpacking the latest nightly development version.
Again, start it right from the unpack directory, using 
./firefox --new-instance --ProfileManager
with a new profile.  Is the problem gone? If it is, you could then look
through the preferences and the about:config for any differences
between the two.  If it isn't,   

In either case, does it still have the problem? If it doesn't, you could
then look through the preferences and the about:config for any
differences between the two.  If the problem is still there, then this
is not a firefox configuration issue.
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