These are kwiniec's about:config settings for fixing/improving Firefox for Mac.


     security repair:

accessibility.blockautorefresh     true
browser.cache.disk.enable     false     [ presuming enough RAM ]
browser.fixup.alternate.enabled     false
browser.xul.error_pages.expert_bad_cert     true
javascript.options.relimit     true
javascript.options.strict     true
network.dns.disableIPv6     true     [ for OS X < 10.6.8 bug ]
network.prefetch-next    false
svg.enabled     false
webgl.disabled     true


     web content repair:

browser.blink_allowed     false
browser.enable_automatic_image_resizing     false
image.animation_mode     once


     artificial "intelligence" repair:

browser.search.suggest.enabled     false (bool)
browser.search.update     false
browser.urlbar.trimURLs     false
extensions.getAddons.maxResults     0
extensions.getAddons.showPane     false
keyword.enabled     false


     user interface repair:

browser.newtab.url     [ NEW FF17+: blank out, or breaks NewTabURL Perpetual New Tab ]
browser.tabs.animate     false        [ NEW FF10+: true breaks NewTabURL Perpetual New Tab ]
browser.tabs.closeWindowWithLastTab     false     [ FF3.1+ ]
browser.tabs.loadDivertedInBackground     true
browser.tabs.loadFolderAndReplace     false
browser.tabs.tabClipWidth       98
browser.tabs.tabMaxWidth     2650     [ FF2: fixed at 250; FF4+: userChrome.css ]
browser.tabs.tabMinWidth       82     [ FF4+: userChrome.css ]
browser.sessionstore.max_tabs_undo     50
browser.chrome.favicons     false
browser.chrome.image_icons.max_size     0
browser.chrome.site_icons     false
browser.chrome.load_toolbar_icons     0 (int)
privacy.popups.showBrowserMessage     false
toolkit.zoomManager.zoomValues        [ NEW: finally found zoom's problem: try 12 equal steps from zoom 1 to 2 = 12th root of 2 = 1.05946 ]
.334,.353,.374,.397,.42,.445,.472,.5,.53,.561,.595,.63,.667,.707,.749,.794,.841,.891,.944,1,1.059,1.122,1.189,1.26,1.335,1.414,1.498,1.588,1.682,1.782,1.888,2,2.119,2.245,2.379,2.52,2.67,2.829,3


     performance repair:

browser.microsummary.enabled     false
browser.microsummary.updateGenerators     false
browser.preferences.animateFadeIn     false
content.notify.backoffcount     1 (int)
nglayout.initialpaint.delay     50 (int)
network.dnsCacheEntries     255
network.dnsCacheExpiration     43200
network.http.pipelining     true
network.http.pipelining.maxrequests     8