Administrator can easily exclude the posts from specific category/categories via WordPress live preview ( Theme Customizer )

Add a button that refreshes the live preview in the WordPress Customizer.

Customize your header using WordPress Customizer API! Now you can live preview your changes while editing header options.

Embeds public Google Spreadsheets, Apps Scripts, or CSV files in WordPress posts or pages as HTML tables or interactive charts, and more.

Inline Preview adds a preview of the post you're writing next to the editor when you click Preview (instead of opening it in a new tab).

Use the famous Subtle Patterns in all your Wordpress Installations! Live Preview included!