* LiteSpeed Cache
https://wordpress.org/plugins/litespeed-cache/

* WP Mail SMTP
https://wordpress.org/plugins/wp-mail-smtp/

* Really Simple SSL
https://wordpress.org/plugins/really-simple-ssl/

* Yoast SEO
https://wordpress.org/plugins/wordpress-seo/

* Contact Form 7
https://wordpress.org/plugins/contact-form-7/

* Flamingo
https://wordpress.org/plugins/flamingo/

* Really Simple Captcha
https://wordpress.org/plugins/really-simple-captcha/

* XML Sitemap Generator for Google
https://wordpress.org/plugins/google-sitemap-generator/

* Regenerate Thumbnails
https://wordpress.org/plugins/regenerate-thumbnails/