Change wp-signup.php Page Template
Theme my login is an option: http://wordpress.org/plugins/theme-my-login/ This should also help out: https://codex.wordpress.org/Customizing_the_Registration_Form EDIT: Noticed I don’t think that really answers your question (my reply above), but you should just be able to create a registration form and then POST to that random URL. I don’t know much about anti-splog at all but all you … Read more