What plugins do you recommend?

Here i am going to share some useful plugins that really help you so much for managing and improving performance as well security of WordPress.

https://wordpress.org/plugins/wordpress-seo/ (Best SEO Plugin)

https://wordpress.org/plugins/google-sitemap-generator/ (sitemap)

https://wordpress.org/plugins/w3-total-cache/ (caching)

https://wordpress.org/plugins/wp-smushit/ (optimizing image files)

https://wordpress.org/plugins/wp-optimize/ (Simple but effective plugin allows you to extensively clean up your WordPress database and optimize it without doing manual queries)