How to Remove Yoast SEO HTML Comments?
Simply copy and paste this code at the bottom of your theme’s functions.php file:
// Remove Yoast SEO comments from html by SEODOX
add_filter('wpseo_debug_markers', '__return_false');
This code will remove Yoast SEO plugin comments from html such as:
<!– This site is optimized with the Yoast SEO plugin v22.4 – https://yoast.com/wordpress/plugins/seo/ –>
<!– / Yoast SEO plugin. –>