Hey @paulcalvano,
You’re totally right, and I was able to confirm that missing tag. None of the things I checked on the Netlify side turned up anything that would explain what’s happening- you’re not injecting snippets, using post processing, no build errors (as you already explained!), and I didn’t see any issues about this in the Jekyll repo. I did come across this one vaguely related issue:
It’s several years old, but suggests that in the past there have been silent errors in Jekyll plugins that affect the HTML tags. The only other similar report we’ve seen here was also related to the static site generator:
Some experiments you could try would be:
generating the build locally and then deploying to Netlify manually via drag and drop
deploying your site on another host and seeing if you get the same issue