Very basic features offering by Basic Optimization for WordPress plugin. Like - Disable Emoticons, Remove Shortlink, Disable Embeds, Disable XML-RPC, Hide WordPress Version, etc. You will always able to manage this option from the setting page of the Basic Optimization for WordPress plugin. This plugin is an open source project, made possible by your contribution (code).

Disable posts, comments, feeds, and other blogging features. A must-have plugin to turn WordPress into a non-blogging CMS platform without code.

All the power of WordPress, without a blog.

Enable/Disable XML-RPC for all or based on IP list, also you can control pingback and Unset X-Pingback from HTTP headers.

Disable Pingback method from XML-RPC by simply removing it. This plugin is working with WordPress 4.4

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