16 Remove CSS styles Alt + V + Y + N (or CTRL + Shift + S with Web Developer’s Toolbar)
17 Restore CSS styles Alt + V + Y + B
18 View the source code Ctrl + U
19 View the source code of a selected code fragment Select the section, Shift + F10 and select “Show source code”
20 Start DOM Inspector Ctrl + Shift + I
21 Start Firebug F12
22 Add bookmarks Ctrl + D
23 Bookmarks Ctrl + B
24 History Ctrl + H
25 Reopen Previously Closed Tab CTRL+SHIFT+T
26 Bookmark all tabs CTRL+SHIFT+D
27 Back Alt + Left Arrow
28 Forward Alt + Right Arrow
29 Go one page back in your history Backspace
30 Add a keyword to a bookmark Go to your bookmarks much faster by giving them keywords. Right-click the bookmark and then select Properties. Put a short keyword in the keyword field, save it, and now you can type that keyword in the address bar and it will go to that bookmark. [Add Shortcuts]
31 Jump to Address Bar Ctrl + L or F6
32 Go To Homepage Alt + Home
33 Decrease Text Size Ctrl + -
34 Increase Text Size Ctrl + +
35 Go To Homepage Alt + Home
36 Quick Search /
37 Jump to Search Bar Ctrl + K
38 Navigate in the tab history ALT + Left Arrow (back), ALT + Right Arrow (forward)
39 Open New Tab Ctrl + T (keyboard), Double Click on Tab Bar (mouse)
40 Close Current Tab Ctrl + W (keyboard), Middle Click on Tab (mouse)
41 Jump To Next Tab Ctrl + Page up or CTRL + Tab
42 Jump To Previous Tab Ctrl + Page Dn or Ctrl + Shift + Tab
43 Open link in a new tab Ctrl + Left mouse click
43 Select a Tab Ctrl + [1 - 9]
45 Move to a next link Tab
46 Move to a previous link Shift + Tab
47 Display all previous text entered in a text box and/or available options on drop down menu. Alt + Down arrow
alıntıdır.(Smashingmagazin)