At the bottom of the editor Steps 10 to 12 you can decide which section of the page shows at the top of the page and which part show at the bottom, add a counter or show your e-mail.
Click on the save button often, don’t wait until you finish editing, the changes that you are adding to your page stays in your PC memory until you click the save button. If anything happens during that you may loose what you added.
It is better to save and use the View button in the web-shell, use your back button of your browser to go back to the editor, than using the preview button in the editor.
If you cannot see the new changes on your page, Press Ctrl - r at the same time to reload your browser.