The setup instructions cover the majority of Jekyll sites and configurations. However, it likely has unknown gaps. If ghpages-ghcomments are not present on your posts or behave incorrectly, there are two ways you can get more information.
_data/gpgc.yml file, update this line:
With this setting, both the terminal output from the git hooks (in
push) and the blog pages will give diagnostic information. For a full-length terminal session and example blog page messages, see Use Diagnostics to Troubleshoot.
When you’re at a laptop or desktop, you can use the developer console in Firefox or Chrome to see which requests your pages are making. For more details, see Use the Browser Console to Troubleshoot