By default wordpress menu system, wordpress can only automatically add/remove top-level page to/from menus

(12)

Automatically turn the site to grayscale (may be used for some purpose)

(5)

PromptPay integration for WordPress, contract creator if any

(3)

Automatically add black ribbon into sites corner (may be used for some purpose)

(2)

Add black ribbon and grey out the website

(2)

Redirect to mobile site (with or without slug url)

(1)