Скрыть поле сайт в комментариях

Hello,

To remove the URL field, please try to add the below code in the functions.php file of your child theme.
add_filter('comment_form_field_url', '__return_false');

You can also try the other options https://crunchify.com/how-to-remove-url-website-field-from-wordpress-comment-form/

Спасибо

You are welcome.