1. In order to edit the <head> of a wordpress site, you must have at least the Business plan so that you can install a Plugin.
  2. Navigate to Tools > Plugins, and search for "head footer and post" and install the Head, Footer and Post Injections plugin from Stefano Lissa
  1. Go to Settings > Header and Footer in your WordPress dashboard. Within the default "Head and footer" tab paste the code snippet.