Google Pages Maker.
Desktop app that will take a list of gmail accounts, log into google pages and create an account and then create a page with some specified html on it. It will need to input the html, then save the page and then publish the page.
The app will then log into the next account and repeat the process.
It will take a .csv file of gmail accounts and passwords and cycle through each account creating a page for each account. It should then output the created pages to a .txt file.
You can program this in your language of choice.