For speed optimization it's really important to always fine-tune for you particular use case and apply some common sense. For instance, inlining everything as s

For speed optimization it's really important to always fine-tune for you particular use case and apply some common sense. For instance, inlining everything as suggested here is faster only if you expect visitors to open just that one page and bounce away, so browser caching is not helpful. Consequently, it's a very good tip for e.g. landing pages, but it makes no sense at all to serve pages that way to your logged-in users.