Why does firefox time out so often? slows down my working

Why does firefox time out so often. I can be in the middle of something and it just stops. did it as I am trying to write this note. very frustrating! It either times out or freezes. the former happens more often. I can be on the web or on yahoo mail.

The default of the pref network.http.max-connections has been increased from 30 to 256 in Firefox 6+ versions.
Try to decrease the value of the pref <b>network.http.max-connections</b> from 255 to a setting like 30 as used in Firefox 3 versions.
*https://support.mozilla.com/kb/Firefox+never+finishes+loading+certain+websites
See also:
* http://blog.bonardo.net/2011/09/30/is-your-firefor-freezing-at-regular-intervals
* Places Maintenance: https://addons.mozilla.org/firefox/addon/places-maintenance/

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