See also additonal posts, found here on SN, about Alby's WordPress plugin:
v1.2.0 of the Lightning Publisher for WP now includes V4V like boost buttons #73984 https://wordpress.org/plugins/bitcoin-lightning-publisher
Bitcoin Lightning on WordPress with the Alby Plugin #66917 https://blog.getalby.com/lightning-on-wordpress-with-the-alby-plugin