As customer completes the checkout, a completion page (or sometimes called a “Thank You”) page is shown to customers to show the order they just placed:
Like the order and checkout page, certain parts of this completed page can be customized by hovering over the page elements.
Post Order Instructions
You can easily add a text box with instructions or information that you want to provide to the customer after the purchase.
You can change the text that’s shown here by clicking on the text box area:
Modify Page Title
You can set the page title:
The page title is the value set in the <title> tag section of the HTML source. If your page is submitted to search engines, setting an appropriate title is important for SEO purposes.