Direkt Links zu den Plugins .

1. (Sicherheit) iThemes Security: https://wordpress.org/plugins/better-wp-security/
2. (Backups) UpdraftPlus: https://wordpress.org/plugins/updraftplus/ (Kontaktformular)
3. Contact Form 7: https://wordpress.org/plugins/contact-form-7/ 4.
4. (Email Marketing) SumoMe: https://wordpress.org/plugins/sumome/ (SEO) 5.
5. Yoast SEO: https://wordpress.org/plugins/wordpress-seo/