X-Frame-Options Security Headers for Your Website
The X-Frame-Options security header helps modern web browsers protect your visitors against clickjacking threats. This can be implemented to use DENY or SAMEORIGIN to allow your own website to use iframes. here this example for WordPress sites
1st method is edting wp-config.php
Edit the wp-config.php file and add the following line
header('X-Frame-Options: SAMEORIGIN');
The second method is using the .htaccess file
Edit the .htaccess file and add the following line Header set X-Frame-Options "SAMEORIGIN"
example
enjoy 🙂