I would recommend going back to the first step and repeating the process only this time creating a responsive ad unit for below the fold before moving on to the next step of this training so that when we integrate the Above the Fold ad we can integrate the Below the Fold Ad at the same time.
Pasting the Amp Ad Code
Log into your WordPress Site, Click Amp, Settings, Advertisement
Turn on AD #1 Below the Header (SiteWide) which is equivalent to Above the Fold by clicking ON
Choose AD Size 320 x 100 from dropdown list Paste your Data-Ad-Client info Paste your Data-Ad-Slot info
Turn on AD #2 Below the Footer (SiteWide) which is equivalent to Below the Fold by clicking ON
Choose AD Size 300 x 250 from dropdown list Paste your Data-Ad-Client info Paste your Data-Ad-Slot info
Click Save Changes
Adding the Script to your site
We need to copy and paste the code/script between the <head></head> tags of your AMP HTML:
Click Advanced Settings. Under Enter HTML in Header and Paste the code below: