Here is the link www.google.com/webdesigner/ it is very useful for web designer. even you can find tips here as well https://www.facebook.com/GoogleWebDesignerTool https://plus.google.com/+googlewebdesigner i am trying to under stand this and built the website. please let me know if anyone have created website using this .
I downloaded the program, opened up a file and found the following error: "Unable to open file due to the following error: The file was not created in Google Web Designer" So for those willing to start from scratch, this may be the bee's knees. Not for me.
It's geared toward for ad designer than web designer, but anything to replace flash in ads is a good thing. Don't forget they're in beta yet so features and stability is changing every build.