The content you’ve created in Optimize can be saved by clicking on Save writing. 
If your plan includes inventory, this button will say Save to inventory. 
Click the button and you will be brought to a Project Card for this topic.
Click Saved Writing 
in the left navigation bar to continue optimizing your content. Your content will be periodically saved as shown by the indicator at the top of the page beside the target word count.
Click Share 
on the bottom of the left navigation bar to copy a shareable link to the clipboard.