• Declare copyright and license explicitly. Use the license and license uri header slugs to style.css. • Declare licenses of any resources included such as fonts or images. • All code and design should be your own or legally yours. Cloning of designs is not acceptable.
user consent. • Validate and sanitize untrusted data before entering into the database. All untrusted data should be escaped before output! • Use esc_attr() for text inputs and esc_textarea() for textareas.