Make an account
Login to your account, make sure to use your email not your account name
Select Edit Pages from the choices in the right hand column
If you do not have a page created yet select the 'Add New Page' Button
When a new page is added it creates a name and a sub topic for it automatically, you can change this now if you would like.
The bolded text ones are what are referred to as Pages, the other ones preceeded by a - are sub pages.
You can edit your subpages by clicking on edit, these are the ones that actually hold the content the 'Page' just knows what its sub pages are.

Once you edit the content of your sub page or as many sub pages as you want copy the Javascript code from the bottom of the page and insert it into your current HTML code where you would like your data to be displayed. You only need to put the javascript code in once. After that whenever you edit your weeble web sub pages on weeble web they will automatically change on your HTML site.
Thus making you able to change your sites content any where you can log into weeble web.. quick and easy.