How to handle multiple Domain.sites2
i posted this long time ago:
https://discussions.apple.com/thread/1270976?answerId=6008805022#6008805022
revised for newer osx:
1) launch AppleScript Editor.app , it's in /Applications folder
2) copy the following into AppleScript Editor window:
do shell script "/usr/bin/defaults write com.apple.iWeb iWebDefaultsDocumentPath -boolean no"
delay 1
tell application "iWeb" to activate
3) select menu bar --> File --> Save as... (give it a name)
4) at File Format popup menu, select --> Application
5) make sure Options: Startup Screen is unchecked
6) click Save button
Next time, instead of launch iweb, you just launch this new app.
I'd been doing this since iweb1.1.