This plugin is a follow-up to the post which I wrote a few years ago. – The idea was (and still is) to equip pages with tags and include their number in a combined posts and pages tag-cloud.
TagPages is fully compatible with https/SSL/TLS-sites and WordPress multisite network.
Plugin’s website: https://www.bernhard-riedl.com/projects/
Author’s website: https://www.bernhard-riedl.com/