Plugins on the list:

Just another contact form plugin. Simple but flexible.

Categories: Forms

Improve your WordPress SEO: Write better content and have a fully optimized WordPress site using the Yoast SEO plugin.

Categories: Seo

Firewall, Malware Scanner, Two Factor Auth, and Comprehensive Security Features, powered by our 24-hour team. Make security a priority with Wordfence.

Categories: General

Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Page, Minify, Object, Fragment, Database support.

Categories: General

Allows administrators to globally disable comments on their site. Comments can be disabled according to post type. Multisite friendly.

Categories: General

Loginizer is a WordPress security plugin which helps you fight against bruteforce attacks.

Categories: General

Permanently redirect all 404's to the main blog URL. The primary purpose is to salvage Google PageRank (TM) from missing pages.

Categories: General