Hacks And Tweaks Firefox 3 via about:config

Firefox 3 Hacks And Tweaks

The following tweaks are obtained by typing about:config and then modifying the page. Make sure you take a back up copy just in case something goes wrong. Here are some of the hacks for the experimantally oriented.

Step one: Type about:config in the address bar and hit enter

Step two: Make the following modifications to the file by typing in the values on the respective fields to get the desired result (feel free to experiment)

1. To enable/disable Single Click Select URL of address bar

browser.urlbar.clickSelectsAll = True 

browser.urlbar.clickSelectsAll = False 

2. To auto Complete URL while typing in the address Bar

browser.urlbar.autoFill=True 

3. To set the number of auto complete URL in the address bar

browser.urlbar.maxRichResults = #

(# indicates the number of auto complete URLs shown. The default is 12)

4. To disabler Browser Toolbar Tip

browser.chrome.toolbar_tips = False 

5. To paste copied content by clicking the center button on the mouse

middlemouse.paste = True 

6. To disable blinking text

browser.blink_allowed = False 

7. To create a single close button to for all Firefox Opened Tabs.

browser.tabs.closeButtons = 3 

8. To increase number of recently closed tabs.

browser.sessionstore.max_tabs_undo=15 

9. Right click view source in your editor

view_source.editor.external=True

view_source.editor.path= Path of Editor 

10. To enable fast scrolling across tabs

toolkit.scrollbox.scrollIncrement =75

11. To stop displaying website icon in address bar and on the tabs

browser.chrome.site_icons = False 

12. To enable spell check in text fields

layout.spellcheckDefault = 2 

13. To speed up the browser

network.http.max-connections 30 to 96

network.http.max-connections-per-server 15 to 32

network.http.max-persistent-connections-per-server 6 to 8

network.http.pipelining false to true

network.http.proxy.pipelining false to true

network.http.pipelining.maxrequests 30 to 8

network.http.pipelining.ssl false to true

network.http.proxy.pipelining false to true 

14. To disable annoying browser behavior

Change the followowing values to 'false'

dom.disable_window_open_feature.titlebar 

dom.disable_window_open_feature.menubar 

dom.disable_window_move_resize

dom.disable_window_open_feature.toolbar 

15. To show more tabs on single window

browser.tabs.tabMinWidth = 75 

16. To display search results in new tab

browser.search.openintab=True. 

I have used many of the above about:config hacks with Firefox 2 before and it is working for the new version as well. If some thing goes wrong after applying these changes, restore your about:config to older setting.

credit: http://hubpages.com/hub/Optimizing-Firefox-3-Hacks-And-Tweaks