CSP > X-frame options
Check for the CSP header. If this is present, you can deny the omission of the X-Frame-Options (and possibly some others, since it can do so much).
Sample domain: https://via.geertruidenberg.nl
Check for the CSP header. If this is present, you can deny the omission of the X-Frame-Options (and possibly some others, since it can do so much).
Sample domain: https://via.geertruidenberg.nl