What is TTFB for non-varnish hits supposed to be?

I am getting .9 seconds. My developers said that is fast. My host said that is fast. Sometimes it takes longer like 1.7seconds on certain products.

I am wondering if it is possible to get to .4-.5 seconds.(500ms)? M2

I cannot solely rely on varnish, as ALL varnish gets cleared after every time we update a product (We we do multiple times a day). or a product goes out of stock. We have a 4k product catalog.

submitted by /u/Technasium
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