How to request admin-ajax.php correctly when wordpress URL and site URL are different?
admin_url() should be used. However for some websites this request gives error 404 in front-end admin_url(‘admin-ajax.php’) should point to an actual file (admin-ajax.php), as such WordPress won’t pass it through index.php, and so it shouldn’t lead to the theme’s 404 page. (Unless the file has been deleted). … unless you have a .htaccess file which … Read more