Hi, @jamietanna. There are 24,263 files in that deploy. Our forms processor examines all of those files which are HTML for the presence of <form> tags. Your site isn’t using forms so disabling that post-processing would likely greatly improve the post-processing time by no longer examining each file for forms.
There are instructions about how to do so here:
If this doesn’t improve the post-processing time or if there are other questions, please let us know.