You can use your keyboard and mouse to quickly accomplish many tasks in iWeb.
Viewing:
Open iWeb Help > Command-question mark (?)
Open iWeb preferences > Command-comma (,)
Show/hide layout > Shift-Command-L
Show/hide Inspector > Option-Command-I
Selecting and editing text:
Select one or more characters
> Click in front of the first character and drag across the characters you want to select
Select a word > Double-click the word
Select a paragraph > Triple-click in the paragraph
Select multiple words or blocks of text that aren't next to one another
> Select the first text, then select additional text while pressing Command
Extend text selection > Click in the text, then Shift-click in another location in the text
Extend selection one character to the right > Shift-Right Arrow
Extend selection one character to the left > Shift-Left Arrow
Extend selection to the end of the current word > Shift-Option-Right Arrow
Extend selection to the beginning of the current word > Shift-Option-Left Arrow
Extend selection to the end of the current line > Shift-Command-Right Arrow
Extend selection to the beginning of the current line > Shift-Command-Left Arrow
Extend selection to the line above > Shift-Up Arrow
Extend selection to the line below > Shift-Down Arrow
Extend selection to the beginning of the current paragraph > Shift-Option-Up Arrow
Extend selection to the end of the current paragraph > Shift-Option-Down Arrow
Extend selection to the beginning of the text (in the current text box)
> Shift-Command-Up Arrow or > Shift-Home
Extend selection to the end of the text (in the current text box)
> Shift-Command-Down Arrow or > Shift-End
Move one character to the right > Right Arrow
Move one character to the left > Left Arrow
Move to the line above > Up Arrow
Move to the line below > Down Arrow
Move to the beginning of the current or previous word > Option-Left Arrow
Move to the end of the current or next word > Option-Right Arrow
Move to the beginning of the current line > Command-Left Arrow
Move to the end of the current line > Command-Right Arrow
Move to the beginning of the current paragraph > Option-Up Arrow
Move to the end of the current paragraph > Option-Down Arrow
Move to the beginning of the current text box > Command-Up Arrow
Move to the end of the current text box > Command-Down Arrow
Scroll to the top of the page > Home
Scroll to the end of the page > End
Formatting text:
Show Fonts window > Command-T
Show Colors window > Shift-Command-C
Make selected text bold > Command-B
Make selected text italic > Command-I
Underline selected text > Command-U
Delete the previous character or selection > Delete
Delete the next character or selection > Del (not available on all keyboards)
Make selected text bigger > Command-plus sign (+) or Command-equal sign (=)
Make selected text smaller > Command-minus sign (-)
Make selected text superscript > Control-Command-plus sign (+)
Make selected text subscript > Control-Command-minus sign (-)
Align text flush left > Shift-Command-left curly brace ( { )
Center text > Shift-Command-vertical line ( | )
Align text flush right > Shift-Command-right curly brace ( } )
Align text flush right and flush left (justify) > Shift-Command-Option-vertical line ( | )
Copy paragraph style > Option-Command-C
Copy character tyle > Shift-Option-Command-C
Paste character or paragraph style > Option-Command-V
Paste and match style of destination text > Shift-Option-Command-V
Insert nonbreaking space > Option-Space bar
Insert line break (soft return) > Shift-Return
Edit hypertext without disabling hyperlinks > Arrow keys into text
Manipulating objects:
Draw a shape > Option-click Shapes toolbar button, choose a shape, and drag to size
Move selected object one point > Arrow key
Move selected object ten points > Shift-arrow key
Send selected object to the back > Shift-Command-B
Send selected object back (down) one layer > Shift-Option-Command-B
Bring selected object to the front > Shift-Command-F
Bring selected object forward one layer > Shift-Option-Command-F
Constrain movement of object to 45 degrees > Shift-drag
Resize object from center > Option-drag handle
Constrain aspect ratio when resizing object > Shift-drag handle
Constrain aspect ratio when resizing object from center > Shift-Option-drag handle
Rotate object > Command-drag handle
Rotate object 45 degrees > Shift-Command-drag handle
Rotate object around opposite handle (instead of center) > Option-Command-drag handle
Turn off alignment guides while dragging object > Command-drag
Mask or unmask object > Shift-Command-M
Exit mask mode > Return, Command-Return, Enter, double-click
Reenter mask mode > Double-click the masked image
Open shortcut menu for selected object > Control-click
Exit text edit mode and select text box or shape > Command-Return